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THS6062IDGNG4

THS6062IDGNG4

  • 厂商:

    BURR-BROWN(德州仪器)

  • 封装:

    TSSOP8

  • 描述:

    IC RECEIVER FULL 0/2 8MSOP

  • 数据手册
  • 价格&库存
THS6062IDGNG4 数据手册
THS6062 www.ti.com SLOS228D – JANUARY 1999 – REVISED OCTOBER 2007 LOW-NOISE ADSL DUAL DIFFERENTIAL RECEIVER FEATURES 1 SOIC (D) AND MSOP PowerPAD? (TOP VIEW) • ADSL Differential Receiver • Low 1.6 nV/√Hz Voltage Noise • High Speed – 100 MHz Bandwidth [–3 dB, G = 2 (–1)] – 100 V/μs Slew Rate • 90 mA Output Drive (Typ) • Very Low Distortion – THD = –72 dBc (f = 1 MHz, RL = 150 Ω) – THD = –90 dBc (f = 1 MHz, RL = 1 kΩ) • 5 V, ±5 V to ±15 V Typical Operation • Available in Standard SOIC or MSOP PowerPAD™ Package 2 1OUT 1IN − 1IN + −VCC 1 8 2 7 3 6 4 5 (DGN) PACKAGE VCC+ 2OUT 2IN− 2IN+ DESCRIPTION The THS6062 is a high-speed differential receiver designed for ADSL data communication systems. Its very low 1.6 nV/√Hz voltage noise provides the high signal-to-noise ratios necessary for the long transmission lengths of ADSL systems over copper telephone lines. In addition, this receiver operates with a very low distortion of –90 dBc (f = 1 MHz, RL = 1 kΩ), exceeding the distortion requirements of ADSL CODECs. The THS6062 is a voltage feedback amplifier offering a high 100-MHz bandwidth and 100-V/μs slew rate and is stable at gains of 2(–1) or greater. It operates over a wide range of power supply voltages including 5 V and ±5 V to ±15 V. This device is available in standard SOIC or MSOP PowerPAD package. The small, surface-mount, thermally-enhanced MSOP PowerPAD package is fully compatible with automated surface-mount assembly procedures. THS6022 Driver 1 VI+ 50 Ω + _ 1:1 To Telephone Line 1 kΩ 2 kΩ THS6062 1 kΩ Driver 2 VI− 100 Ω 1 kΩ 50 Ω + _ 1 kΩ − + 1 kΩ Receiver 1 VO+ 2 kΩ 1 kΩ 1 kΩ 1 kΩ − + VO− Receiver 2 Figure 1. Typical Client-Side ADSL Application 1 2 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PowerPAD is a trademark of Texas Instruments. PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. Copyright © 1999–2007, Texas Instruments Incorporated PRODUCT PREVIEW Cross Section View of DGN Package THS6062 www.ti.com SLOS228D – JANUARY 1999 – REVISED OCTOBER 2007 These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. HIGH-SPEED XDSL LINE DRIVER/RECEIVER FAMILY DEVICE DRIVER RECEIVER THS6002 • • THS6012 • THS6022 • THS6062 • THS7002 • 5V ±5 V ±15 V BW (MHz) SR (V/μs) THD f = 1 MHz (dB) IO (mA) Vn (nV/√Hz) • • 140 1000 –62 500 1.7 • • 140 1300 –65 500 1.7 • • 210 1900 –66 250 1.7 • • 100 100 –72 90 1.6 • • 70 100 –84 25 2.0 • AVAILABLE OPTIONS PACKAGED DEVICES PRODUCT PREVIEW (1) TA PLASTIC SMALL OUTLINE (1) (D) PowerPAD PLASTIC MSOP (1) (DGN) MSOP SYMBOL EVALUATION MODULE 0°C to 70°C THS6062CD THS6062CDGN TIABE THS6062EVM –40°C to 85°C THS6062ID THS6062IDGN TIABH — The D and DGN packages are available taped and reeled. Add an R suffix to the device type (i.e., THS6062CDGNR). FUNCTIONAL BLOCK DIAGRAM VCC+ 8 1IN− 2 − 1 1IN+ 2IN− 3 6 − 7 2IN+ 5 1OUT + 2OUT + 4 VCC− 2 Submit Documentation Feedback Copyright © 1999–2007, Texas Instruments Incorporated Product Folder Link(s): THS6062 THS6062 www.ti.com SLOS228D – JANUARY 1999 – REVISED OCTOBER 2007 ABSOLUTE MAXIMUM RATINGS over operating free-air temperature range (unless otherwise noted) (1) VALUE UNIT 33 V VCC+ to VCC– Supply voltage VI Input voltage IO Output current 150 mA VIO Differential input voltage ±4 V ±VCC Continuous total power dissipation TA Operating free-air temperature TJ Maximum junction temperature Tstg Storage temperature See Dissipation Rating Table C-suffix 0C to 70 °C I-suffix –40 to 85 °C 150 °C –65 to 150 °C 300 °C Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds (1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. PACKAGE θJA (°C/W) θJC (°C/W) TA = 25°C POWER RATING D 167 (1) 38.3 740 mW 58.4 4.7 2.14 W DGN (1) (2) (2) PRODUCT PREVIEW DISSIPATION RATINGS This data was taken using the JEDEC standard Low-K test PCB. For the JEDEC Proposed High-K test PCB, the θJA is 95°C/W with a power rating at TA = 25°C of 1.32 W. This data was taken using 2 oz. trace and copper pad that is soldered directly to a 3 in. × 3 in. PC. For further information, refer to Application Information section of this data sheet. RECOMMENDED OPERATING CONDITIONS MIN VCC+ and VCC– Supply voltage TA Operating free-air temperature Dual supply Single supply C-suffix I-suffix NOM MAX ±2.5 ±16 5 32 0 70 –40 85 Submit Documentation Feedback Copyright © 1999–2007, Texas Instruments Incorporated Product Folder Link(s): THS6062 UNIT V °C 3 THS6062 www.ti.com SLOS228D – JANUARY 1999 – REVISED OCTOBER 2007 ELECTRICAL CHARACTERISTICS At TA = 25°C, VCC = ±15 V, RL = 150 Ω (unless otherwise noted) TEST CONDITIONS (1) PARAMETER VCC Supply voltage operating range Single supply VCC = ±15 V ICC Supply current (per amplifier) MIN Dual supply VCC = ±5 V VCC = ±2.5 V VO Output voltage swing VCC = ±5 V VCC = ±2.5 V PRODUCT PREVIEW IO Output current VCC = ±5 V Short-circuit current (2) VCC = ±15 V VIO Input offset voltage VCC = ±5 V or VCC = ±15 V Offset drift VCC = ±5 V or VCC = ±15 V IIB Input bias current VCC = ±5 V or VCC = ±15 V IOS Input offset current VCC = ±5 V or VCC = ±15 V Offset current drift VCC = ±5 V or VCC = ±15 V VCC = ±15 V, VICR = ±12 V CMRR Common mode rejection ratio VCC = ±5 V, VICR = ±2.5 V PSRR Power supply rejection ratio VICR Common-mode input voltage range RI Input resistance CI Input capacitance RO Output resistance Open loop gain (1) (2) 4 VCC = ±5 V or ±15 V 7.5 RL = 150 Ω RL = 20 Ω 9 10.5 7.3 TA = full range RL = 250 Ω 10 11 TA = 25°C VCC = ±2.5 V ISC 8.5 TA = full range VCC = ±15 V (2) 33 TA = 25°C VCC = ±2.5 V VCC = ±15 V 4.5 TA = full range RL = 1 Ω MAX ±16.5 TA = 25°C VCC = ±15 V VCC = ±5 V TYP ±2.25 9 10.5 ±13 ±13.6 ±3.4 ±3.8 ±1 ±1.3 ±12 ±12.9 ±3 ±3.5 ±0.9 ±1.2 60 90 50 70 40 55 1.5 TA = full range 3 TA = full range 6 30 TA = full range 250 400 TA = full range 0.3 TA = 25°C 85 TA = full range 80 TA = 25°C 90 TA = full range 85 TA = 25°C 85 TA = full range 80 100 95 ±13.5 ±14.3 VCC = ±5 V ±3.8 ±4.3 VCC = ±2.5 V ±1.4 ±1.8 VCC = ±5 V, VO = ±10 V, RL = 1 kΩ TA = 25°C 40 TA = full range 35 VCC = ±5 V, VO = ±2.5 V, RL = 1 kΩ TA = 25°C 35 TA = full range 30 mV μA nA nA/°C 95 VCC = ±15 V Open loop mA μV/°C 6 8 TA = 25°C mA mA 20 TA = 25°C mA mA 8 TA = full range V V 150 TA = 25°C UNIT dB dB V 2 MΩ 1.5 pF 13 Ω 70 50 V/mV V/mV Full range = 0°C to 70°C for the THS6062C and –40°C to 85°C for the THS6062I. Observe power dissipation ratings to keep the junction temperature below absolute maximum ratings when the output is heavily loaded or shorted. See the absolute maximum ratings section for more information. Submit Documentation Feedback Copyright © 1999–2007, Texas Instruments Incorporated Product Folder Link(s): THS6062 THS6062 www.ti.com SLOS228D – JANUARY 1999 – REVISED OCTOBER 2007 OPERATING CHARACTERISTICS At TA = 25°C, VCC = ±15 V, RL = 150 Ω (unless otherwise noted) TEST CONDITIONS (1) VCC = ±15 V SR Slew rate (2) ts Settling time to 0.01% VCC = ±5 V GAIN = –1 5-V step VCC = ±5 V, 2.5-V step VCC = ±2.5 V, 1-V step VCC = ±15 V, 5-V step VCC = ±5 V, 2.5-V step VCC = ±2.5 V, 1-V step THD Total harmonic distortion Vn Input voltage noise VCC = ±5 V or ±15 V, f = 10 kHz In Input current noise Channel-to-channel crosstalk (1) (2) (3) 80 V/μs 60 GAIN = –1 45 ns 35 90 GAIN = –1 80 RL = 150 Ω –72 RL = 1 kΩ –90 ns 75 dBc nV/√Hz VCC = ±5 V or ±15 V, f = 10 kHz 1.2 pV/√Hz VCC = ±15 V 100 VO(pp) = 0.4 V, Gain = 2, –1 VCC = ±5 V 90 50 VO(pp) = 0.4 V, Gain = 2, –1 45 VCC = ±2.5 V 40 VO(pp) = 20 V, VCC = ±15 V 1.6 VO(pp) = 5 V, VCC = ±5 V MHz 85 VCC = ±15 V Full power bandwidth (3) UNIT 1.6 Dynamic performance small-signal VCC = ±5 V bandwidth (–3 dB) VCC = ±2.5 V Bandwidth for 0.1 dB flatness MAX 70 VCC = ±15 V, VCC = ±5 V or ±15 V, VO(pp) = 2 V, f = 1 MHz, Gain = 2) BW TYP 100 VCC = ±2.5 V Settling time to 0.1% MIN PRODUCT PREVIEW PARAMETER RL = 1 kΩ VCC = ±5 V or ±15 V, f = 1 MHz, Gain = 2 5 –61 MHz MHz dBc Full range = 0°C to 70°C for the THS6062C and –40°C to 85°C for the THS6062I. Slew rate is measured from an output level range of 25% to 75%. Full power bandwidth = slew rate /2 π V(peak) Submit Documentation Feedback Copyright © 1999–2007, Texas Instruments Incorporated Product Folder Link(s): THS6062 5 THS6062 www.ti.com SLOS228D – JANUARY 1999 – REVISED OCTOBER 2007 PARAMETER MEASUREMENT INFORMATION 330 Ω 330 Ω 330 Ω _ VI1 330 Ω _ VO2 VO1 + CH1 150 Ω + 150 Ω 50 Ω VI2 CH2 50 Ω Figure 2. THS6062 Crosstalk Test Circuit Rg Rf _ VI VO + RL 50 Ω PRODUCT PREVIEW Figure 3. Step Response Test Circuit Rg Rf VI _ 50 Ω VO + RL Figure 4. Step Response Test Circuit 6 Submit Documentation Feedback Copyright © 1999–2007, Texas Instruments Incorporated Product Folder Link(s): THS6062 THS6062 www.ti.com SLOS228D – JANUARY 1999 – REVISED OCTOBER 2007 TYPICAL CHARACTERISTICS Table of Graphs FIGURE VIO Input offset voltage vs Free-air temperature 5 IIB Input bias current vs Free-air temperature 6 VO Output voltage vs Supply voltage 7 Maximum output voltage swing vs Free-air temperature 8 IO Maximum output current vs Free-air temperature 9 ICC Supply current vs Free-air temperature 10 VIC Common-mode input voltage vs Supply voltage 11 ZO Closed-loop output impedance vs Frequency 12 13 Power-supply rejection ratio vs Frequency 14 CMRR Common-mode rejection ratio vs Frequency 15 Voltage noise and current noise vs Frequency 16 Crosstalk vs Frequency 17 Harmonic distortion vs Frequency 18, 19 Harmonic distortion vs Peak-to-peak output voltage 20, 21 Slew rate vs Free-air temperature 0.1% settling time vs Output voltage step size Output amplitude vs Frequency SR PRODUCT PREVIEW Open-loop gain and Phase Response PSRR 22 23 24–30 Small and large frequency response 31–34 1-V step response 35, 36 4-V step response 37 20-V step response 38 INPUT OFFSET VOLTAGE vs FREE-AIR TEMPERATURE INPUT BIAS CURRENT vs FREE-AIR TEMPERATURE 3.10 −1.2 VCC = ± 15 V I IB − Input Bias Current − mA V IO − Input Offset Voltage − mV 3.05 −1.3 VCC = ± 5 V −1.4 −1.5 VCC = ± 15 V −1.6 −1.7 3 2.95 2.90 2.85 VCC = ± 5 V 2.80 2.75 −1.8 −40 −20 60 40 80 0 20 TA − Free-Air Temperature − °C 100 2.70 −40 Figure 5. −20 0 20 40 60 80 TA − Free-Air Temperature − °C 100 Figure 6. Submit Documentation Feedback Copyright © 1999–2007, Texas Instruments Incorporated Product Folder Link(s): THS6062 7 THS6062 www.ti.com SLOS228D – JANUARY 1999 – REVISED OCTOBER 2007 OUTPUT VOLTAGE vs SUPPLY VOLTAGE MAXIMUM OUTPUT VOLTAGE SWING vs FREE-AIR TEMPERATURE 14 14 Maximum Output Voltage Swing − ± V TA = 25°C |VO | − Output Voltage Swing − V 12 10 RL = 1 kΩ 8 RL = 150 Ω 6 4 2 13.5 PRODUCT PREVIEW 2 4 6 8 10 12 ± VCC − Supply Voltage − ± V 14 12 4.5 3.5 2.5 2 −20 60 80 0 20 40 TA − Free-Air Temperature − °C MAXIMUM OUTPUT CURRENT vs FREE-AIR TEMPERATURE SUPPLY CURRENT vs FREE-AIR TEMPERATURE 100 11 VCC = ± 15 V Sink Current 100 10 I CC − Supply Current − mA I O − Maximum Output Current − mA VCC = ± 2.5 V RL = 150 Ω VCC = ± 2.5 V RL = 1 kΩ Figure 8. RL = 20 Ω 90 VCC = ± 5 V Sink Current VCC = ± 15 V Source Current VCC = ± 5 V Source Current 70 60 50 −40 9 VCC = ± 15 V 8 −20 VCC = ± 2.5 V 7 VCC = ± 5 V 6 VCC = ± 2.5 V Sink Current VCC = ± 10 V VCC = ± 2.5 V Source Current 60 80 0 20 40 TA − Free-Air Temperature − °C 100 5 −40 Figure 9. 8 VCC = ± 5 V RL = 150 Ω 3 Figure 7. 110 80 VCC = ± 5 V RL = 1 kΩ 4 1 −40 16 VCC = ± 15 V RL = 250 Ω 12.5 1.5 0 VCC = ± 15 V RL = 1 kΩ 13 −20 60 80 0 20 40 TA − Free-Air Temperature − °C 100 Figure 10. Submit Documentation Feedback Copyright © 1999–2007, Texas Instruments Incorporated Product Folder Link(s): THS6062 THS6062 www.ti.com SLOS228D – JANUARY 1999 – REVISED OCTOBER 2007 COMMON-MODE INPUT VOLTAGE vs SUPPLY VOLTAGE CLOSED-LOOP OUTPUT IMPEDANCE vs FREQUENCY 100 12.5 10 7.5 5 2.5 0 0 2.5 Gain = 1 RF = 1 kΩ PI = + 3 dBm 10 12.5 5 7.5 ± VCC − Supply Voltage − ± V 10 1 1 kΩ − 0.1 + 50 Ω VI THS6062 1000 VO Zo = −1 VI ( 0.01 100 k 15 VO 1 kΩ 10 M 1M 100 M ) 500 M PRODUCT PREVIEW TA = 25°C Z O − Closed-Loop Output Impedance − Ω VIC − Common-Mode Input Voltage − ± V 15 f − Frequency − Hz Figure 11. Figure 12. OPEN-LOOP GAIN AND PHASE RESPONSE 100 45° VCC = ± 15 V RL = 150 Ω 80 0° 60 −45° Phase 40 −90° 20 −135° 0 −180° −20 100 Phase Response Open-Loop Gain − dB Gain −225° 1k 10 k 100 k 1M 10 M 100 M 1 G f − Frequency − Hz Figure 13. Submit Documentation Feedback Copyright © 1999–2007, Texas Instruments Incorporated Product Folder Link(s): THS6062 9 THS6062 www.ti.com SLOS228D – JANUARY 1999 – REVISED OCTOBER 2007 POWER-SUPPLY REJECTION RATIO vs FREQUENCY COMMON-MODE REJECTION RATIO vs FREQUENCY 120 CMRR − Common-Mode Rejection Ratio − dB PSRR − Power-Supply Rejection Ratio − dB 120 100 VCC+ 80 60 VCC− 40 20 VCC = ± 15 V and ± 5 V 100 1k 10 k 100 k 1M 10 M 60 _ VI + 20 1 kΩ 1 kΩ VO RL 150 Ω 10 100 1k 10 k 100 k 1M f − Frequency − Hz f − Frequency − Hz Figure 14. Figure 15. VOLTAGE NOISE AND CURRENT NOISE vs FREQUENCY CROSSTALK vs FREQUENCY 10 M 100 M 0 VCC = ± 15 V AND ± 5 V TA = 25°C −10 VCC = ± 15 V PI = 0 dBm See Figure 1 −20 Crosstalk − dB 10 −30 −40 −50 Input = CH 2 Output = CH 1 −60 Vn −70 In 10 100 Input = CH 1 Output = CH 2 −80 1 1k 10 k 100 k −90 100 k 1M 10 M 100 M 500 M f − Frequency − Hz f − Frequency − Hz Figure 16. 10 1 kΩ 1 kΩ 40 100 M 20 I n − Current Noise − pA/ Hz VCC = ± 15 V 80 0 10 Vn − Voltage Noise − nV/ Hz PRODUCT PREVIEW 0 VCC = ± 5 V 100 Figure 17. Submit Documentation Feedback Copyright © 1999–2007, Texas Instruments Incorporated Product Folder Link(s): THS6062 THS6062 www.ti.com SLOS228D – JANUARY 1999 – REVISED OCTOBER 2007 HARMONIC DISTORTION vs FREQUENCY −60 Third Harmonic −70 −80 VCC = ± 15 V and ± 5 V Gain = 2 RF = 300 Ω RL = 150 Ω VO(PP) = 2 V −50 Harmonic Distortion − dBc −50 Harmonic Distortion − dBc −40 VCC = ± 15 V and ± 5 V Gain = 2 RF = 300 Ω RL = 1 kΩ VO(PP) = 2 V Second Harmonic −90 −100 −60 Second Harmonic −70 −80 −90 −100 −110 100 k 1M Third Harmonic −110 100 k 10 M 1M Figure 18. Figure 19. HARMONIC DISTORTION vs PEAK-TO-PEAK OUTPUT VOLTAGE HARMONIC DISTORTION vs PEAK-TO-PEAK OUTPUT VOLTAGE −10 −50 Third Harmonic VCC = ± 15 V Gain = 5 RF = 300 Ω RL = 150 Ω f = 1 MHz −20 −60 −30 Harmonic Distortion − dBc Harmonic Distortion − dBc 10 M f − Frequency − Hz f − Frequency − Hz Second Harmonic −70 −80 −90 VCC = ± 15 V Gain = 5 RF = 300 Ω RL = 1 kΩ f = 1 MHz −100 −110 0 2 4 6 8 10 12 14 16 18 VO(PP) − Peak-to-Peak Output Voltage − V −40 −50 Second Harmonic −60 −70 −80 −90 Third Harmonic −100 −110 20 0 Figure 20. 2 4 6 8 10 12 14 16 18 VO(PP) − Peak-to-Peak Output Voltage − V 20 Figure 21. Submit Documentation Feedback Copyright © 1999–2007, Texas Instruments Incorporated Product Folder Link(s): THS6062 11 PRODUCT PREVIEW −40 HARMONIC DISTORTION vs FREQUENCY THS6062 www.ti.com SLOS228D – JANUARY 1999 – REVISED OCTOBER 2007 SLEW RATE vs FREE-AIR TEMPERATURE 0.1% SETTLING TIME vs OUTPUT VOLTAGE STEP SIZE 80 120 Gain = −1 RL = 150 Ω 100 90 80 70 VCC = ± 5 V Step = 4 V 60 VCC = ± 2.5 V Step = 2 V 50 0 20 40 60 80 TA − Free-Air Temperature − °C 50 VCC = ± 15 V 40 30 20 4 2 3 VO − Output Voltage Step Size − V 1 100 Figure 22. Figure 23. OUTPUT AMPLITUDE vs FREQUENCY OUTPUT AMPLITUDE vs FREQUENCY 5 8 7 RF = 1 kΩ 6 5 Output Amplitude − dB Output Amplitude − dB PRODUCT PREVIEW −20 7 RF = 300 Ω 4 RF = 100 Ω 3 2 VCC = ± 15 V Gain = 2 RL = 150 Ω VO(PP) = 0.4 V −1 100 k 12 VCC = ± 5 V 10 8 0 VCC = ± 2.5 V 60 0 40 −40 1 Gain = −1 RF = 430 Ω 70 t s − 0.1% Settling Time − ns SR − Slew Rate − V/ m s 110 VCC = ± 15 V Step = 20 V 1M 6 5 500 M RF = 100 Ω 3 2 0 100 M RF = 300 Ω 4 1 10 M RF = 1 kΩ VCC = ± 5 V Gain = 2 RL = 150 Ω VO(PP) = 0.4 V −1 100 k 1M 10 M f − Frequency − Hz f − Frequency − Hz Figure 24. Figure 25. Submit Documentation Feedback 100 M 500 M Copyright © 1999–2007, Texas Instruments Incorporated Product Folder Link(s): THS6062 THS6062 www.ti.com SLOS228D – JANUARY 1999 – REVISED OCTOBER 2007 OUTPUT AMPLITUDE vs FREQUENCY OUTPUT AMPLITUDE vs FREQUENCY 2 1 RF = 1 kΩ 6 5 Output Amplitude − dB Output Amplitude − dB 7 RF = 300 Ω RF = 100 Ω 4 3 2 1 0 VCC = ± 2.5 V Gain = 2 RL = 150 Ω VO(PP) = 0.4 V −1 100 k 1M 100 M RF = 100 Ω −2 −3 −4 VCC = ± 15 V Gain = −1 RL = 150 Ω VO(PP) = 0.4 V −7 100 k 500 M 1M 10 M f − Frequency − Hz Figure 26. Figure 27. OUTPUT AMPLITUDE vs FREQUENCY OUTPUT AMPLITUDE vs FREQUENCY 100 M 500 M 100 M 500 M 2 1 RF = 1 kΩ 0 −1 Output Amplitude − dB Output Amplitude − dB RF = 360 Ω f − Frequency − Hz 1 RF = 360 Ω RF = 100 Ω −2 −3 −4 −6 −1 −6 2 −5 0 −5 10 M RF = 1 kΩ VCC = ± 5 V Gain = −1 RL = 150 Ω VO(PP) = 0.4 V −7 100 k 1M 0 −1 500 M RF = 100 Ω −3 −4 −6 100 M RF = 360 Ω −2 −5 10 M RF = 1 kΩ VCC = ± 2.5 V Gain = −1 RL = 150 Ω VO(PP) = 0.4 V −7 100 k 1M 10 M f − Frequency − Hz f − Frequency − Hz Figure 28. Figure 29. Submit Documentation Feedback Copyright © 1999–2007, Texas Instruments Incorporated Product Folder Link(s): THS6062 13 PRODUCT PREVIEW 8 THS6062 www.ti.com SLOS228D – JANUARY 1999 – REVISED OCTOBER 2007 OUTPUT AMPLITUDE vs FREQUENCY 16 VCC = ± 15 V Output Amplitude − dB 14 12 10 VCC = ± 2.5 V 8 6 Gain = 5 RF = 3.9 kΩ RL = 150 Ω VO(PP) = 0.4 V 4 2 1M 100 M 10 M 500 M f − Frequency − Hz Figure 30. SMALL AND LARGE SIGNAL FREQUENCY RESPONSE SMALL AND LARGE SIGNAL FREQUENCY RESPONSE 3 3 VI = 0.5 V RMS VCC = ± 15 V Gain = 2 RF = 300 Ω RL= 150 Ω −3 −6 0 VO − Output Voltage Level − dBV 0 VO − Output Voltage Level − dBV PRODUCT PREVIEW 0 100 k VI = 0.25 V RMS −9 −12 VI = 125 mV RMS −15 −18 VI = 62.5 mV RMS −21 −24 100 k 14 VI = 0.5 V RMS VCC = ± 5 V Gain = 2 RF = 300 Ω RL = 150 Ω −3 −6 VI = 0.25 V RMS −9 −12 VI = 125 mV RMS −15 −18 VI = 62.5 mV RMS −21 1M 10 M 100 M 500 M −24 100 k 1M 10 M f − Frequency − Hz f − Frequency − Hz Figure 31. Figure 32. Submit Documentation Feedback 100 M 500 M Copyright © 1999–2007, Texas Instruments Incorporated Product Folder Link(s): THS6062 THS6062 www.ti.com SLOS228D – JANUARY 1999 – REVISED OCTOBER 2007 SMALL AND LARGE SIGNAL FREQUENCY RESPONSE −3 −9 VI = 0.25 V RMS −12 −15 VI = 125 mV RMS 18 −21 VI = 62.5 mV RMS −24 −9 VI = 0.25 V RMS −12 −15 VI = 125 mV RMS 18 −21 VI = 62.5 mV RMS −24 −27 −30 100 k 1M 10 M 100 M −30 100 k 500 M 1M f − Frequency − Hz Figure 33. Figure 34. 1-V STEP RESPONSE 100 M 500 M 800 1000 1-V STEP RESPONSE 0.6 0.6 VCC = ± 15 V Gain = 2 RF = 300 Ω RL = 150 Ω See Figure 2 0.4 VO − Output Voltage − V 0.4 VO − Output Voltage − V 10 M f − Frequency − Hz PRODUCT PREVIEW −27 VCC = ± 5 V Gain = −1 RF = 430 Ω RL = 150 Ω VI = 0.5 V RMS −6 VO − Output Voltage Level − dBV VO − Output Voltage Level − dBV −3 VCC = ± 15 V Gain = −1 RF = 430 Ω RL = 150 Ω VI = 0.5 V RMS −6 SMALL AND LARGE SIGNAL FREQUENCY RESPONSE 0.2 0 −0.2 VCC = ± 2.5 V Gain = 2 RF = 300 Ω RL = 150 Ω See Figure 2 −0.4 0.2 0 −0.2 −0.4 −0.6 −0.6 0 50 100 150 200 250 300 0 200 400 600 t − Time − ns t − Time − ns Figure 35. Figure 36. Submit Documentation Feedback Copyright © 1999–2007, Texas Instruments Incorporated Product Folder Link(s): THS6062 15 THS6062 www.ti.com SLOS228D – JANUARY 1999 – REVISED OCTOBER 2007 4-V STEP RESPONSE 20-V STEP RESPONSE 2.5 15 2 10 VO − Output Voltage − V VO − Output Voltage − V 1.5 1 0.5 0 −0.5 VCC = ± 5 V Gain = −1 RF = 430 Ω RL = 150 Ω See Figure 3 −1 −1.5 −2 0 RL = 150 Ω −5 −10 −2.5 −15 0 PRODUCT PREVIEW 16 RL = 1 kΩ 5 VCC = ± 15 V Gain = 2 RF = 330 Ω See Figure 2 Offset For Clarity 200 400 600 800 1000 0 200 400 600 t − Time − ns t − Time − ns Figure 37. Figure 38. Submit Documentation Feedback 800 1000 Copyright © 1999–2007, Texas Instruments Incorporated Product Folder Link(s): THS6062 THS6062 www.ti.com SLOS228D – JANUARY 1999 – REVISED OCTOBER 2007 APPLICATION INFORMATION THEORY OF OPERATION The THS6062 is a high-speed, operational amplifier configured in a voltage-feedback architecture. It is built using a 30-V, dielectrically isolated, complementary bipolar process with NPN and PNP transistors possessing fTs of several GHz. This results in an exceptionally high-performance amplifier that has a wide bandwidth, high slew rate, fast settling time, and low distortion. A simplified schematic is shown in Figure 39. (7) VCC + (1,7) OUT IN + (3,5) (4) VCC − Figure 39. THS6062 Simplified Schematic The ADSL remote terminal receive band consists of 255 separate carrier frequencies each with its own modulation and amplitude level. With such an implementation, it is imperative that signals received off the telephone line have as high a signal-to-noise ratio (SNR) as possible. This is because of the numerous sources of interference on the line. The best way to accomplish this high SNR is to have a low-noise receiver on the front-end. It is also important to have the lowest distortion possible to help minimize against interference within the ADSL carriers. The THS6062 was designed with these two priorities in mind. By taking advantage of the superb characteristics of the complimentary bipolar process (BICOM), the THS6062 offers extremely low noise and distortion while maintaining a high bandwidth. There are some aspects that help minimize distortion in any amplifier. The first is to extend the bandwidth of the amplifier as high as possible without peaking. This allows the amplifier to eliminate any nonlinearities in the output signal. Another thing that helps to minimize distortion is to increase the load impedance seen by the amplifier, thereby reducing the currents in the output stage. This will help keep the output transistors in their linear amplification range and will also reduce the heating effects. This can be seen in Figure 18 to Figure 21, which show a 1-kΩ load distortion is much better than a 150-Ω load. Submit Documentation Feedback Copyright © 1999–2007, Texas Instruments Incorporated Product Folder Link(s): THS6062 17 PRODUCT PREVIEW IN − (2,6) THS6062 www.ti.com SLOS228D – JANUARY 1999 – REVISED OCTOBER 2007 One client-side terminal circuit implementation, shown in Figure 40, uses a 1:2 transformer ratio. While creating a power and output voltage advantage for the line drivers, the 1:2 transformer ratio reduces the SNR for the received signals. The ADSL standard, ANSI T1.413, stipulates a noise power spectral density of –140 dBm/Hz, which is equivalent to 31.6 nV/√Hz for a 100-Ω system. Although many amplifiers can reach this level of performance, actual ADSL system testing has indicated that the noise power spectral density may typically be ≤ –150 dBm/Hz, or ≤ 10 nV/√Hz. With a transformer ratio of 1:2, this number reduces to less than 5 nV/√Hz. The THS6062, with an equivalent input noise of 1.6 nV/√Hz, is an excellent choice for this application. Coupled with a very low 1.2 pA/√Hz equivalent input current noise and low value resistors, the THS6062 will ensure that the received signal SNR will be as high as possible. 6V + THS6022 Driver 1 VI+ 0.1 mF 6.8 mF 12.5 Ω + _ 1:2 1 kΩ Telephone Line 1 kΩ PRODUCT PREVIEW 0.1 mF 100 Ω 6.8 mF + −6 V 6V + THS6022 Driver 2 VI− 0.1 mF 1 kΩ 6.8 mF 12.5 Ω + _ 499 Ω 499 Ω − + THS6062 Receiver 1 VO+ 1 kΩ 1 kΩ 0.1 mF 499 Ω 6.8 mF + 6V −6 V 1 kΩ Driver Block 0.1 mF 499 Ω − VO− + THS6062 Receiver 2 −6 V 0.01 mF Receiver Block Figure 40. THS6062 Client-Side ADSL Application 18 Submit Documentation Feedback Copyright © 1999–2007, Texas Instruments Incorporated Product Folder Link(s): THS6062 THS6062 www.ti.com SLOS228D – JANUARY 1999 – REVISED OCTOBER 2007 NOISE CALCULATIONS AND NOISE FIGURE Noise can cause errors on very small signals. This is especially true for the amplifying small signals. The noise model for current-feedback amplifiers (CFB) is the same as voltage-feedback amplifiers (VFB). The only difference between the two is that the CFB amplifiers generally specify different noise-current parameters for each input, while VFB amplifiers usually only specify one noise-current parameter. The noise model is shown in Figure 41. This model includes all of the noise sources as follows: • en = Amplifier internal voltage noise (nV/√Hz) • IN+ = Noninverting current noise (pA/√Hz) • IN– = Inverting current noise (pA/√Hz) • eRx = Thermal voltage noise associated with each resistor (eRx = 4 kTRx) en Noiseless + _ eni IN+ eno eRf RF eRg IN− RG Figure 41. Noise Model The total equivalent input noise density (eni) is calculated by using the following equation: e ni + Ǹ ǒenǓ ) ǒIN ) 2 R Ǔ S 2 ǒ ) IN– ǒR F ø R G ǓǓ 2 ǒ ) 4 kTRs ) 4 kT R ø R F G Ǔ (1) Where: k = Boltzmann's constant = 1.380658 × 10-23 T = Temperature in degrees Kelvin (273 + °C) RF || RG = Parallel resistance of RF and RG To get the equivalent output noise of the amplifier, just multiply the equivalent input noise density (eni) by the overall amplifier gain (AV). e no + e ni A V ǒ + e ni 1 ) Ǔ RF (Noninverting Case) RG (2) As the previous equations show, to keep noise at a minimum, small-value resistors should be used. As the closed-loop gain is increased (by reducing RG), the input noise is reduced considerably because of the parallel resistance term. This leads to the general conclusion that the most dominant noise sources are the source resistor S) and the internal amplifier noise voltage (en). Because noise is summed in a root-mean-squares method, noise sources smaller than 25% of the largest noise source can be effectively ignored. This can greatly simplify the formula and make noise calculations much easier to calculate. For more information on noise analysis, refer to the Noise Analysis section in Operational Amplifier Circuits Applications Report (SLVA043). This brings up another noise measurement usually preferred in RF applications, the noise figure (NF). Noise figure is a measure of noise degradation caused by the amplifier. The value of the source resistance must be defined and is typically 50 Ω in RF applications. Submit Documentation Feedback Copyright © 1999–2007, Texas Instruments Incorporated Product Folder Link(s): THS6062 19 PRODUCT PREVIEW eRs RS THS6062 www.ti.com SLOS228D – JANUARY 1999 – REVISED OCTOBER 2007 NF + ȱ e 2ȳ 10logȧ ni ȧ ȧ 2ȧ ȲǒeRsǓ ȴ (3) Because the dominant noise components are generally the source resistance and the internal amplifier noise voltage, we can approximate the noise figure as: NF + ȱ ȡǒ Ǔ2 ǒ ȧ en ) IN ) ȧ Ȣ ȧ 10logȧ1 ) 4 kTR ȧ S ȧ Ȳ Ǔ ȣȳ S ȧȧ Ȥȧ ȧ ȧ ȧ ȴ 2 R (4) Figure 42 shows the noise figure graph for the THS6062. PRODUCT PREVIEW NOISE FIGURE vs SOURCE RESISTANCE 16 f = 10 kHz TA = 25°C 14 Noise Figure − dB 12 10 8 6 4 2 0 10 1k 100 Source Resistance − Ω 10 k Figure 42. Noise Figure vs Source Resistance 20 Submit Documentation Feedback Copyright © 1999–2007, Texas Instruments Incorporated Product Folder Link(s): THS6062 THS6062 www.ti.com SLOS228D – JANUARY 1999 – REVISED OCTOBER 2007 OPTIMIZING FREQUENCY RESPONSE Internal frequency compensation of the THS6062 was selected to provide very wide bandwidth performance and still maintain a very low noise floor. In order to meet these performance requirements, the THS6062 must have a minimum gain of 2 (–1). Because everything is referred to the noninverting terminal of an operational amplifier, the noise gain in a G = –1 configuration is the same as in a G = 2 configuration. One of the keys to maintaining a smooth frequency response, and hence, a stable pulse response, is to pay particular attention to the inverting terminal. Any stray capacitance at this node causes peaking in the frequency response (see Figure 43 and Figure 44). There are two things that can be done to help minimize this effect. The first is to simply remove any ground planes under the inverting terminal of the amplifier. This also includes the trace that connects to this terminal. Additionally, the length of this trace should be minimized. The capacitance at this node causes a lag in the voltage being fed back due to the charging and discharging of the stray capacitance. If this lag becomes too long, the amplifier will not be able to correctly keep the noninverting terminal voltage at the same potential as the inverting terminal's voltage. Peaking and possibly oscillations will then occur. Output Amplitude − dB 8 7 CIN− = 10 pF 3 2 Output Amplitude − dB 9 4 VCC = ± 15 V Gain = 2 RF = 300 Ω RL = 150 Ω VO(PP) = 0.4 V 6 No CIN− (Stray C Only) 5 4 3 2 CIN− 300 Ω 300 Ω VI 1M VO + 50 Ω 1 0 100 k _ VCC = ± 15 V Gain = −1 RF = 360 Ω RL = 150 Ω VO(PP) = 0.4 V CIN− = 10 pF 1 0 No CIN− (Stray C Only) −1 −2 −3 −4 360 Ω VI 56 Ω 360 Ω _ CIN− VO + 150 Ω 150 Ω −5 100 M 10 M 500 M −6 100 k 1M 10 M f − Frequency − Hz f − Frequency − Hz Figure 43. Figure 44. 100 M 500 M The next thing that helps to maintain a smooth frequency response is to keep the feedback resistor f) and the gain resistor g) values fairly low. These two resistors are effectively in parallel when looking at the ac small-signal response. This is why in Figure 30, a feedback resistor of 3.9 kΩ with a gain resistor of 1 kΩ only shows a small peaking in the frequency response. The parallel resistance is only 800 Ω. This value, in conjunction with a very small stray capacitance test PCB, forms a zero on the edge of the amplifier's natural frequency response. To eliminate this peaking, all that needs to be done is to reduce the feedback and gain resistances. One other way to compensate for this stray capacitance is to add a small capacitor in parallel with the feedback resistor. This helps to neutralize the effects of the stray capacitance. To keep this zero out of the operating range, the stray capacitance and resistor value's time constant must be kept low. But, as can be seen in Figure 23 to Figure 28, a value too low starts to reduce the bandwidth of the amplifier. Table 1 shows some recommended feedback resistors to be used with the THS6062. Table 1. Recommended Feedback Resistors GAIN Rf for VCC = ±15 V, ±5 V, 5 V 2 300 Ω –1 360 Ω 5 3.3 kΩ (low stray-c PCB only) Submit Documentation Feedback Copyright © 1999–2007, Texas Instruments Incorporated Product Folder Link(s): THS6062 21 PRODUCT PREVIEW 10 THS6062 www.ti.com SLOS228D – JANUARY 1999 – REVISED OCTOBER 2007 DRIVING A CAPACITIVE LOAD Driving capacitive loads with high performance amplifiers is not a problem as long as certain precautions are taken. The first is to realize that the THS6062 has been internally compensated to maximize its bandwidth and slew rate performance. When the amplifier is compensated in this manner, capacitive loading directly on the output will decrease the device's phase margin leading to high frequency ringing or oscillations. Therefore, for capacitive loads of greater than 10 pF, it is recommended that a resistor be placed in series with the output of the amplifier, as shown in Figure 45. A minimum value of 20 Ω should work well for most applications. For example, in 75-Ω transmission systems, setting the series resistor value to 75 Ω both isolates any capacitance loading and provides the proper line impedance matching at the source end. 360 Ω 360 Ω Input _ 20 Ω Output THS6062 + CLOAD PRODUCT PREVIEW Figure 45. Driving a Capacitive Load OFFSET VOLTAGE The output offset voltage, (VOO) is the sum of the input offset voltage (VIO) and both input bias currents (IIB) times the corresponding gains. The following schematic and formula are used to calculate the output offset voltage: Figure 46. Output Offset Voltage Model 22 Submit Documentation Feedback Copyright © 1999–2007, Texas Instruments Incorporated Product Folder Link(s): THS6062 THS6062 www.ti.com SLOS228D – JANUARY 1999 – REVISED OCTOBER 2007 In order to achieve the high-frequency performance of the THS6062, it is essential that proper printed-circuit board high frequency design techniques be followed. A general set of guidelines is given below. In addition, a THS6062 evaluation board is available to use as a guide for layout or for evaluating the device performance. • Ground planes—It is highly recommended that a ground plane be used on the board to provide all components with a low inductive ground connection. However, in the areas of the amplifier inputs and output, the ground plane can be removed to minimize the stray capacitance. • Proper power supply decoupling—Use a 6.8-μF tantalum capacitor in parallel with a 0.1-μF ceramic capacitor on each supply terminal. It may be possible to share the tantalum capacitor among several amplifiers depending on the application, but a 0.1-μF ceramic capacitor should always be used on the supply terminal of every amplifier. In addition, the 0.1-μF capacitor should be placed as close as possible to the supply terminal. As this distance increases, the inductance in the connecting trace makes the capacitor less effective. The designer should strive for distances of less than 0.1 inches between the device power terminals and the ceramic capacitors. • Sockets—Sockets are not recommended for high-speed operational amplifiers. The additional lead inductance in the socket pins will often lead to stability problems. Surface-mount packages soldered directly to the printed-circuit board is the best implementation. • Short trace runs/compact part placements—Optimum high frequency performance is achieved when stray series inductance has been minimized. To realize this, the circuit layout should be made as compact as possible, thereby minimizing the length of all trace runs. Particular attention should be paid to the inverting input of the amplifier. Its length should be kept as short as possible. This will help to minimize stray capacitance at the input of the amplifier. • Surface-mount passive components—Using surface-mount passive components is recommended for high frequency amplifier circuits for several reasons. First, because of the extremely low lead inductance of surface-mount components, the problem with stray series inductance is greatly reduced. Second, the small size of surface-mount components naturally leads to a more compact layout, thereby minimizing both stray inductance and capacitance. If leaded components are used, it is recommended that the lead lengths be kept as short as possible. Submit Documentation Feedback Copyright © 1999–2007, Texas Instruments Incorporated Product Folder Link(s): THS6062 23 PRODUCT PREVIEW CIRCUIT LAYOUT CONSIDERATIONS THS6062 www.ti.com SLOS228D – JANUARY 1999 – REVISED OCTOBER 2007 GENERAL PowerPAD DESIGN CONSIDERATIONS The THS6062 is available packaged in a thermally-enhanced DGN package, which is a member of the PowerPAD family of packages. This package is constructed using a downset leadframe upon which the die is mounted [see Figure 47(a) and Figure 47(b)]. This arrangement results in the lead frame being exposed as a thermal pad on the underside of the package [see Figure 47)]. Because this thermal pad has direct thermal contact with the die, excellent thermal performance can be achieved by providing a good thermal path away from the thermal pad. The PowerPAD package allows for both assembly and thermal management in one manufacturing operation. During the surface-mount solder operation (when the leads are being soldered), the thermal pad can also be soldered to a copper area underneath the package. Through the use of thermal paths within this copper area, heat can be conducted away from the package into either a ground plane or other heat dissipating device. The PowerPAD package represents a breakthrough in combining the small area and ease of assembly of surface mount with the, heretofore, awkward mechanical methods of heat sinking. DIE Side View (a) Thermal Pad PRODUCT PREVIEW DIE End View (b) Bottom View (c) Figure 47. Views of Thermally Enhanced DGN Package Although there are many ways to properly heat sink this device, the following steps illustrate the recommended approach. Thermal pad area (68 mils x 70 mils) with 5 vias (Via diameter = 13 mils) Figure 48. PowerPAD PCB Etch and Via Pattern 1. Prepare the PCB with a top side etch pattern as shown in Figure 48. There should be etch for the leads as well as etch for the thermal pad. 2. Place five holes in the area of the thermal pad. These holes should be 13 mils in diameter. They are kept small so that solder wicking through the holes is not a problem during reflow. 3. Additional vias may be placed anywhere along the thermal plane outside of the thermal pad area. This helps dissipate the heat generated by the THS6062DGN IC. These additional vias may be larger than the 13-mil diameter vias directly under the thermal pad. They can be larger because they are not in the thermal pad area to be soldered so that wicking is not a problem. 4. Connect all holes to the internal ground plane. 5. When connecting these holes to the ground plane, do not use the typical web or spoke via connection methodology. Web connections have a high thermal resistance connection that is useful for slowing the heat transfer during soldering operations. This makes the soldering of vias that have plane connections easier. In this application, however, low thermal resistance is desired for the most efficient heat transfer. Therefore, the holes under the THS6062DGN package should make their connection to the internal ground plane with a complete connection around the entire circumference of the plated-through hole. 6. The top-side solder mask should leave the terminals of the package and the thermal pad area with its five holes exposed. The bottom-side solder mask should cover the five holes of the thermal pad area. This prevents solder from being pulled away from the thermal pad area during the reflow process. 7. Apply solder paste to the exposed thermal pad area and all of the IC terminals. 8. With these preparatory steps in place, the THS6062DGN IC is simply placed in position and run through the solder reflow operation as any standard surface-mount component. This results in a part that is properly 24 Submit Documentation Feedback Copyright © 1999–2007, Texas Instruments Incorporated Product Folder Link(s): THS6062 THS6062 www.ti.com SLOS228D – JANUARY 1999 – REVISED OCTOBER 2007 installed. The actual thermal performance achieved with the THS6062DGN in its PowerPAD package depends on the application. In the example above, if the size of the internal ground plane is approximately 3 inches × 3 inches, then the expected thermal coefficient, θJA, is about 58.4°C/W. For comparison, the non-PowerPAD version of the THS6062 IC (SOIC) is shown. For a given θJA, the maximum power dissipation is shown in Figure 49 and is calculated by the following formula: ǒ T P D + –T MAX A q JA Ǔ (5) Where: PD = Maximum power dissipation of THS6062 IC (watts) TMAX = Absolute maximum junction temperature (150°C) TA = Free-ambient air temperature (°C) θJA = θJC + θCA θJC = Thermal coefficient from junction to case θCA = Thermal coefficient from case to ambient air (°C/W) Maximum Power Dissipation − W 3.5 DGN Package θJA = 58.4°C/W 2 oz. Trace And Copper Pad With Solder 3 2.5 SOIC Package High-K Test PCB θJA = 98°C/W 2 PRODUCT PREVIEW MAXIMUM POWER DISSIPATION vs FREE-AIR TEMPERATURE TJ = 150°C DGN Package θJA = 158°C/W 2 oz. Trace And Copper Pad Without Solder 1.5 1 0.5 SOIC Package Low-K Test PCB θJA = 167°C/W 0 −40 −20 0 20 40 60 80 TA − Free-Air Temperature − °C 100 NOTE: Results are with no air flow and PCB size = 3"× 3" Figure 49. Maximum Power Dissipation vs Free-Air Temperature More complete details of the PowerPAD installation process and thermal management techniques can be found in the Texas Instruments Technical Brief, PowerPAD Thermally Enhanced Package. This document can be found at the TI web site (www.ti.com) by searching on the key word PowerPAD. The document can also be ordered through your local TI sales office. Refer to literature number SLMA002 when ordering. The next thing that should be considered is the package constraints. The two sources of heat within an amplifier are quiescent power and output power. The designer should never forget about the quiescent heat generated within the device, especially a multi-amplifier device. Because these devices have linear output stages (Class A-B), most of the heat dissipation is at low output voltages with high output currents. Figure 50 and Figure 51 show this effect, along with the quiescent heat, with an ambient air temperature of 50°C. When using VCC = 5 V or ±5 V, there is generally not a heat problem, even with SOIC packages. But, when using VCC = ±15 V, the SOIC package is severely limited in the amount of heat it can dissipate. The other key factor when looking at these graphs is how the devices are mounted on the PCB. The PowerPAD devices are extremely useful for heat Submit Documentation Feedback Copyright © 1999–2007, Texas Instruments Incorporated Product Folder Link(s): THS6062 25 THS6062 www.ti.com SLOS228D – JANUARY 1999 – REVISED OCTOBER 2007 dissipation. But the device should always be soldered to a copper plane to fully use the heat dissipation properties of the PowerPAD. The SOIC package, on the other hand, is highly dependent on how it is mounted on the PCB. As more trace and copper area is placed around the device, θJA decreases and the heat dissipation capability increases. The currents and voltages shown in these graphs are for the total package. Because the THS6062 is a dual amplifier, the sum of the RMS output currents and voltages should be used to choose the proper package. 180 1000 Maximum Output Current Limit Line Package With θJA ≤ 60°C/W | IO | − Maximum RMS Output Current − mA PRODUCT PREVIEW | IO |− Maximum RMS Output Current − mA 200 160 140 120 100 SO-8 Package θJA = 167°C/W Low-K Test PCB 80 60 Safe Operating Area 40 SO-8 Package θJA = 98°C/W High-K Test PCB 20 0 0 VCC = ± 5 V TJ = 150°C TA = 50°C Both Channels 1 2 3 4 | VO | − RMS Output Voltage − V 5 VCC = ± 15 V TJ = 150°C TA = 50°C Both Channels Maximum Output Current Limit Line 100 SO-8 Package θJA = 98°C/W High-K Test PCB 10 DGN Package θJA = 58.4°C/W Safe Operating Area 1 0 Figure 50. SO-8 Package θJA = 167°C/W Low-K Test PCB 3 6 9 12 | VO | − RMS Output Voltage − V 15 Figure 51. EVALUATION BOARD An evaluation board is available for the THS6062 (SLOP221). This board has been configured for very low parasitic capacitance in order to realize the full performance of the amplifier. For more information, refer to the THS6062 EVM User's Guide (SLOU036) To order the evaluation board contact your local TI sales office or distributor. 26 Submit Documentation Feedback Copyright © 1999–2007, Texas Instruments Incorporated Product Folder Link(s): THS6062 PACKAGE OPTION ADDENDUM www.ti.com 14-Oct-2022 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Pins Package Drawing Qty Eco Plan (2) Lead finish/ Ball material MSL Peak Temp Op Temp (°C) Device Marking (3) Samples (4/5) (6) THS6062CD ACTIVE SOIC D 8 75 RoHS & Green NIPDAU Level-1-260C-UNLIM 0 to 70 6062C Samples THS6062CDGNR ACTIVE HVSSOP DGN 8 2500 RoHS & Green NIPDAU Level-1-260C-UNLIM 0 to 70 ABE Samples THS6062ID ACTIVE SOIC D 8 75 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 85 6062I Samples THS6062IDGNR ACTIVE HVSSOP DGN 8 2500 RoHS & Green NIPDAU Level-1-260C-UNLIM ABH Samples (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) RoHS: TI defines "RoHS" to mean semiconductor products that are compliant with the current EU RoHS requirements for all 10 RoHS substances, including the requirement that RoHS substance do not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, "RoHS" products are suitable for use in specified lead-free processes. TI may reference these types of products as "Pb-Free". RoHS Exempt: TI defines "RoHS Exempt" to mean products that contain lead but are compliant with EU RoHS pursuant to a specific EU RoHS exemption. Green: TI defines "Green" to mean the content of Chlorine (Cl) and Bromine (Br) based flame retardants meet JS709B low halogen requirements of
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