LT1469IDF-2-PBF

LT1469-2 Dual 200MHz, 30V/µs 16-Bit Accurate AV ≥ 2 Op Amp FEATURES n n n n n n n n n n n n n n n DESCRIPTION The LT®1469-2 is a dual, precision high speed operational amplifier with 16-bit accuracy, decompensated to be stable in a gain of 2 or greater. The combination of precision and AC performance makes the LT1469-2 the optimum choice for high accuracy applications such as DAC current-to-voltage conversion and ADC buffers. The initial accuracy and drift characteristics of the input offset voltage and inverting input bias current are tailored for inverting applications. The 200MHz gain bandwidth ensures high open-loop gain at frequency for reducing distortion. In noninverting applications such as an ADC buffer, the low distortion and DC accuracy allow full 16-bit AC and DC performance. The high slew rate of the LT1469-2 improves large-signal performance in applications such as active filters and instrumentation amplifiers compared to other precision op amps. The LT1469-2 is specified on power supply voltages of ±5V and ±15V and from –40°C to 85°C. It is available in an 8-lead SOIC package and a space saving 4mm × 4mm leadless package. For a unity-gain stable op amp with same DC performance, see the LT1469 datasheet. L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. Stable in Gain AV ≥ 2 (AV = –1) 200MHz Gain Bandwidth Product 30V/μs Slew Rate Settling Time: 800ns (150μV, 10V Step) Specified at ±5V and ±15V Supplies Maximum Input Offset Voltage: 125μV Low Distortion: –96.5dB for 100kHz, 10VP-P Maximum Input Offset Voltage Drift: 3μV/°C Maximum Inverting Input Bias Current: 10nA Minimum DC Gain: 300V/mV Minimum Output Swing into 2k: ±12.8V Input Noise Voltage: 5nV/√Hz Input Noise Current: 0.6pA/√Hz Total Input Noise Optimized for 1kΩ < RS < 20kΩ Available in 8-Lead Plastic SO and 12-Lead (4mm × 4mm) DFN Packages APPLICATIONS n n n n n n Precision Instrumentation High Accuracy Data Acquisition Systems 16-Bit DAC Current-to-Voltage Converter ADC Buffer Low Distortion Active Filters Photodiode Amplifiers TYPICAL APPLICATION 16-Bit DAC I-to-V Converter 20pF DAC INPUTS 16 6k 10V Large-Signal Transient, AV = –1 VS = ±15V AV = –1 RF = RG = 2k CF = 22pF – 1/2 LT1469-2 2k VOUT 50pF 0V 2V/DIV LTC®1597 + OPTIONAL NOISE FILTER OFFSET: VOS + IB (6kΩ) < 1LSB SETTLING TIME TO 150μV = 1.6μs SETTLING LIMITED BY 6k AND 20pF TO COMPENSATE DAC OUTPUT CAPACITANCE 14692 TA01a 200ns/DIV 14692 TA02 14692f 1 LT1469-2 ABSOLUTE MAXIMUM RATINGS (Note 1) Total Supply Voltage (V + to V–).................................36V Input Current (Note 2)..........................................±10mA Output Short-Circuit Duration (Note 3) ............ Indefinite Operating Temperature Range (Note 4).... –40°C to 85°C Specified Temperature Range (Note 5) .... –40°C to 85°C Maximum Junction Temperature........................... 150°C Storage Temperature Range................... –65°C to 150°C PIN CONFIGURATION TOP VIEW OUT A –IN A +IN A V– N/C N/C 1 2 3 4 5 6 A 13 B 12 V+ 11 OUT B 10 –IN B 9 +IN B 8 N/C 7 N/C OUT A 1 –IN A 2 A +IN A 3 V– 4 B 5 6 –IN B +IN B TOP VIEW 8 7 V+ OUT B DF PACKAGE 12-LEAD (4mm × 4mm) PLASTIC DFN TJMAX = 150°C, θJA = 37°C/W EXPOSED PAD (PIN 13) IS GND, MUST BE CONNECTED TO V– S8 PACKAGE 8-LEAD PLASTIC SO TJMAX = 150°C, θJA = 190°C/W ORDER INFORMATION LEAD FREE FINISH LT1469CS8-2#PBF LT1469IS8-2#PBF LT1469ACDF-2#PBF LT1469AIDF-2#PBF LT1469CDF-2#PBF LT1469IDF-2#PBF TAPE AND REEL LT1469CS8-2#TRPBF LT1469IS8-2#TRPBF LT1469ACDF-2#TRPBF LT1469AIDF-2#TRPBF LT1469CDF-2#TRPBF LT1469IDF-2#TRPBF PART MARKING* 14692 14692 14692 14692 14692 14692 PACKAGE DESCRIPTION 8-Lead Plastic Small Outline 8-Lead Plastic Small Outline 12-Lead (4mm × 4mm) Plastic DFN 12-Lead (4mm × 4mm) Plastic DFN 12-Lead (4mm × 4mm) Plastic DFN 12-Lead (4mm × 4mm) Plastic DFN TEMPERATURE RANGE 0°C to 70°C –40°C to 85°C 0°C to 70°C –40°C to 85°C 0°C to 70°C –40°C to 85°C Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/ The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCM = 0V unless otherwise noted. SYMBOL VOS PARAMETER Input Offset Voltage CONDITIONS S8 Package LT1469A, DF Package LT1469, DF Package IOS Input Offset Current VSUPPLY ±15V ±5V ±15V ±5V ±15V ±5V ±5V to ±15V MIN TYP 50 50 50 50 100 150 13 MAX 125 200 125 200 225 300 ±50 UNITS μV μV μV μV μV μV nA 14692f ELECTRICAL CHARACTERISTICS 2 LT1469-2 ELECTRICAL CHARACTERISTICS SYMBOL IB – IB + en in RIN CIN VCM PARAMETER Inverting Input Bias Current Noninverting Input Bias Current Input Noise Voltage Input Noise Voltage Density Input Noise Current Density Input Resistance Input Capacitance Input Voltage Range (Positive) Input Voltage Range (Negative) CMRR Common Mode Rejection Ratio Minimum Supply Voltage PSRR AVOL Power Supply Rejection Ratio Large-Signal Voltage Gain Guaranteed by CMRR Guaranteed by CMRR VCM = ±12.5V VCM = ±2.5V Guaranteed by PSRR VS = ±4.5V to ±15V VOUT = ±12.5V, RL = 10k VOUT = ±12.5V, RL = 2k VOUT = ±2.5V, RL = 10k VOUT = ±2.5V, RL = 2k RL = 10k, 1mV Overdrive RL = 2k, 1mV Overdrive RL = 10k, 1mV Overdrive RL = 2k, 1mV Overdrive VOUT = ±12.5V, 1mV Overdrive VOUT = ±2.5V, 1mV Overdrive VOUT = 0V, 0.2V Overdrive (Note 3) RL = 2k (Note 6) 10V Peak, (Note 7) 3V Peak, (Note 7) f = 100kHz, RL = 2k 10V Step, 0.01%, AV = –1 10V Step, 150μV, AV = –1 AV = –1, f = 100kHz VOUT = ±12.5V, RL = 2k VOUT = ±2.5V, RL = 2k Per Amplifier ±15V ±15V ±5V ±5V ±15V ±15V ±5V ±5V ±15V ±5V ±15V ±15V ±5V ±15V ±5V ±15V ±5V ±15V ±15V ±15V ±15V ±5V ±15V ±5V ±15V ±5V ±5V to ±15V ±5V to ±15V VCM = ±12.5V (Note 9) VCM = ±2.5V (Note 9) VS = ±4.5V to ±15V (Note 9) ±15V ±5V 93 93 97 100 100 140 130 100 300 300 200 200 ±13.0 ±12.8 ±3.0 ±2.8 ±15 ±15 ±25 20 15 0.1Hz to 10Hz f = 10kHz f = 10kHz Common Mode, VCM = ±12.5V Differential The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCM = 0V unless otherwise noted. CONDITIONS VSUPPLY ±5V to ±15V ±5V to ±15V ±5V to ±15V ±5V to ±15V ±5V to ±15V ±15V ±15V ±15V ±15V ±5V ±15V ±5V ±15V ±5V 96 96 12.5 2.5 100 50 MIN TYP 3 –10 0.3 5 0.6 240 150 4 13.5 3.6 –14.3 –4.4 110 112 ±2.5 112 2000 2000 8000 8000 ±13.6 ±13.5 ±3.7 ±3.6 ±22 ±22 ±40 30 22 475 1160 200 190 650 800 0.02 130 130 4.1 3.8 30 50 2 5 113 115 115 5.2 5 225 350 18 78 ±4.5 –12.5 –2.5 MAX ±10 ±40 UNITS nA nA μVP-P nV/√Hz pA/√Hz MΩ kΩ pF V V V V dB dB V dB V/mV V/mV V/mV V/mV V V V V mA mA mA V/μs V/μs kHz kHz MHz MHz ns ns Ω dB dB mA mA μV μV nA nA dB dB dB 14692f VOUT Maximum Output Swing IOUT ISC SR FPBW GBW tS ROUT Maximum Output Current Output Short-Circuit Current Slew Rate Full-Power Bandwidth Gain Bandwidth Product Settling Time Output Resistance Channel Separation IS ΔVOS ΔIB– ΔIB+ ΔCMRR ΔPSRR Supply Current Input Offset Voltage Match Inverting Input Bias Current Match Noninverting Input Bias Current Match Common Mode Rejection Match Power Supply Rejection Match 3 LT1469-2 ELECTRICAL CHARACTERISTICS SYMBOL VOS PARAMETER Input Offset Voltage The l denotes the specifications which apply over the full operating temperature range, 0°C ≤ TA ≤ 70°C. VCM = 0V unless otherwise noted. CONDITIONS S8 Package LT1469A, DF Package LT1469, DF Package VSUPPLY ±15V ±5V ±15V ±5V ±15V ±5V ±15V ±5V ±5V to ±15V (Note 8) (Note 8) Guaranteed by CMRR Guaranteed by CMRR VCM = ±12.5V VCM = ±2.5V Minimum Supply Voltage Guaranteed by PSRR VS = ±4.5V to ±15V VOUT = ±12.5V, RL = 10k VOUT = ±12.5V, RL = 2k VOUT = ±2.5V, RL = 10k VOUT = ±2.5V, RL = 2k RL = 10k, 1mV Overdrive RL = 2k, 1mV Overdrive RL = 10k, 1mV Overdrive RL = 2k, 1mV Overdrive VOUT = ±12.5V, 1mV Overdrive VOUT = ±2.5V, 1mV Overdrive VOUT = 0V, 0.2V Overdrive (Note 3) RL = 2k (Note 6) f = 100kHz, RL = 2k VOUT = ±12.5V, RL = 2k VOUT = ±2.5V, RL = 2k Per Amplifier ±15V ±15V ±5V ±5V ±15V ±15V ±5V ±5V ±15V ±5V ±15V ±15V ±5V ±15V ±5V ±15V ±5V ±15V ±5V ±15V ±5V ±5V to ±15V ±5V to ±15V VCM = ±12.5V (Note 9) VCM = ±2.5V (Note 9) VS = ±4.5V to ±15V (Note 9) ±15V ±5V ±5V to ±15V ±5V to ±15V ±5V to ±15V ±5V to ±15V ±15V ±5V ±15V ±5V ±15V ±5V ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● MIN TYP MAX 350 350 225 275 450 450 UNITS μV μV μV μV μV μV μV/°C μV/°C nA pA/°C nA pA/°C nA V V ΔVOS/ΔT IOS ΔIOS/ΔT IB – ΔIB–/ΔT IB + VCM Input Offset Voltage Drift Input Offset Current Input Offset Current Drift Inverting Input Bias Current Inverting Input Bias Current Drift Noninverting Input Bias Current Input Voltage Range (Positive) Input Voltage Range (Negative) (Note 8) 1 1 60 5 3 ±80 ±20 40 ±60 12.5 2.5 –12.5 –2.5 94 94 ± 4.5 95 100 100 100 100 ±12.9 ±12.7 ±2.9 ±2.7 ±12.5 ±12.5 ±17 18 13 130 120 98 98 6.5 6.3 600 600 38 118 91 91 92 200 190 V V dB dB V dB V/mV V/mV V/mV V/mV V V V V mA mA mA V/μs V/μs MHz MHz dB dB mA mA μV μV nA nA dB dB dB 14692f CMRR Common Mode Rejection Ratio PSRR AVOL Power Supply Rejection Ratio Large-Signal Voltage Gain VOUT Maximum Output Swing IOUT ISC SR GBW Maximum Output Current Output Short-Circuit Current Slew Rate Gain Bandwidth Product Channel Separation IS ΔVOS ΔIB – ΔIB + ΔCMRR ΔPSRR Supply Current Input Offset Voltage Match Inverting Input Bias Current Match Noninverting Input Bias Current Match Common Mode Rejection Match Power Supply Rejection Match 4 LT1469-2 ELECTRICAL CHARACTERISTICS SYMBOL VOS PARAMETER Input Offset Voltage CONDITIONS S8 Package LT1469A, DF Package LT1469, DF Package ΔVOS/ΔT IOS ΔIOS/ΔT IB – ΔIB–/ΔT IB + VCM Input Offset Voltage Drift Input Offset Current Input Offset Current Drift Inverting Input Bias Current Inverting Input Bias Current Drift Noninverting Input Bias Current Input Voltage Range (Positive) Input Voltage Range (Negative) CMRR Common Mode Rejection Ratio Minimum Supply Voltage PSRR AVOL Power Supply Rejection Ratio Large-Signal Voltage Gain Guaranteed by CMRR Guaranteed by CMRR VCM = ± 12.5V VCM = ±2.5V Guaranteed by PSRR VS = ±4.5V to ±15V VOUT = ±12,5V, RL = 10k VOUT = ±12.5V, RL = 2k VOUT = ±2.5V, RL = 10k VOUT = ±2.5V, RL = 2k RL = 10k, 1mV Overdrive RL = 2k, 1mV Overdrive RL = 10k, 1mV Overdrive RL = 2k, 1mV Overdrive VOUT = ±12.5V, 1mV Overdrive VOUT = ±2.5V, 1mV Overdrive VOUT = 0V, 0.2V Overdrive (Note 3) RL = 2k (Note 6) f = 100kHz, RL = 2k VOUT = ±12.5V, RL = 2k VOUT = ±2.5V, RL = 2k Per Amplifier ±15V ±15V ±5V ±5V ±15V ±15V ±5V ±5V ±15V ±5V ±15V ±15V ±5V ±15V ±5V ±15V ±5V ±15V ±5V ±15V ±5V ±5V to ±15V ±5V to ±15V VCM = ±12.5V (Note 9) VCM = ±2.5V (Note 9) VS = ±4.5V to ±15V (Note 9) ±15V ±5V (Note 8) (Note 8) (Note 8) The l denotes the specifications which apply over the full operating temperature range, –40°C ≤ TA ≤ 85°C, VCM = 0V unless otherwise noted. (Note 5) VSUPPLY ±15V ±5V ±15V ±5V ±15V ±5V ±15V ±5V ±5V to ±15V ±5V to ±15V ±5V to ±15V ±5V to ±15V ±5V to ±15V ±15V ±5V ±15V ±5V ±15V ±5V ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● MIN TYP MAX 500 500 300 350 600 600 UNITS μV μV μV μV μV μV μV/°C μV/°C nA pA/°C nA pA/°C nA V V 1 1 120 6 5 ±120 ±40 80 ±80 12.5 2.5 –12.5 –2.5 92 92 93 75 75 75 75 ±12.8 ±12.6 ±2.8 ±2.6 ±7 ±7 ±12 15 11 110 100 96 96 7 6.8 800 800 78 158 89 89 90 200 190 ±4.5 V V dB dB V dB V/mV V/mV V/mV V/mV V V V V mA mA mA V/μs V/μs MHz MHz dB dB mA mA μV μV nA nA dB dB dB 14692f VOUT Maximum Output Swing IOUT ISC SR GBW Maximum Output Current Output Short-Circuit Current Slew Rate Gain Bandwidth Product Channel Separation IS ΔVOS ΔIB – ΔIB + ΔCMRR ΔPSRR Supply Current Input Offset Voltage Match Inverting Input Bias Current Match Noninverting Input Bias Current Match Common Mode Rejection Match Power Supply Rejection Match 5 LT1469-2 ELECTRICAL CHARACTERISTICS Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: The inputs are protected by back-to-back diodes and two 100Ω series resistors. If the differential input voltage exceeds 0.7V, the input current should be limited to less than 10mA. Input voltages outside the supplies will be clamped by ESD protection devices and input currents should also be limited to less than 10mA. Note 3: A heat sink may be required to keep the junction temperature below absolute maximum when the output is shorted indefinitely. Note 4: The LT1469C-2 and LT1469I-2 are guaranteed functional over the operating temperature range of – 40°C to 85°C. Note 5: The LT1469C-2 is guaranteed to meet specified performance from 0°C to 70°C and is designed, characterized and expected to meet specified performance from –40°C to 85°C but is not tested or QA sampled at these temperatures. The LT1469I-2 is guaranteed to meet specified performance from –40°C to 85°C. Note 6: Slew rate is measured between ±8V on the output with ±12V swing for ±15V supplies and ±2V on the output with ±3V swing for ±5V supplies. Tested in AV = –10 Note 7: Full-power bandwidth is calculated from the slew rate. FPBW = SR/2πVP. Note 8: This parameter is not 100% tested. Note 9: ΔCMRR and ΔPSRR are defined as follows: 1) CMRR and PSRR are measured in μV/V on each amplifier; 2) the difference between the two sides is calculated in μV/V; 3) the result is converted to dB. TYPICAL PERFORMANCE CHARACTERISTICS Distribution of Input Offset Voltage 50 VS = ±15V TA = 25°C PERCENTAGE OF UNITS (%) PERCENTAGE OF UNITS (%) 40 30 40 VS = ±15V TA = 25°C 5 SUPPLY CURRENT (mA) 25°C 4 Distribution of Inverting Input Bias Current 6 Supply Current vs Supply Voltage and Temperature 85°C 30 20 20 3 –40°C 2 10 10 0 75 125 –175 –125 –75 –25 25 INPUT OFFSET VOLTAGE (μV) 175 0 –10 –7.5 –5 –2.5 0 2.5 5 7.5 INVERTING INPUT BIAS CURRENT (nA) 10 1 0 5 10 15 SUPPLY VOLTAGE (±V) 20 14692 G03 14692 G01 14692 G02 Input Noise Spectral Density 1000 INPUT VOLTAGE NOISE (nV/√Hz) VS = ±15V TA = 25°C AV = 101 RS = 100k FOR in 1 10 INPUT CURRENT NOISE (pA/√Hz) 0.1Hz to 10Hz Voltage Noise VS = ±15V TA = 25°C TOTAL NOISE VOLTAGE (nV/√Hz) VOLTAGE NOISE (100nV/DIV) 100 Total Noise vs Unmatched Source Resistance VS = ±15V TA = 25°C f = 10kHz 10 TOTAL NOISE RESISTOR NOISE ONLY 1 RS 100 in en 10 0.1 + – 1 1 10 100 1k FREQUENCY (Hz) 10k 0.01 100k 14692 G04 TIME (1s/DIV) 14692 G05 0.1 10 1k 10k 100 SOURCE RESISTANCE, RS (Ω) 100k 14692 G06 14692f 6 LT1469-2 TYPICAL PERFORMANCE CHARACTERISTICS Input Bias Current vs Temperature 30 VS = ±15V 20 INPUT BIAS CURRENT (nA) INPUT BIAS CURRENT (nA) 10 0 –10 –20 –30 –40 –50 –25 IB+ IB– 60 40 20 0 –20 –40 –60 50 25 75 0 TEMPERATURE (°C) 100 125 –80 –15 5 10 0 INPUT COMMON MODE VOLTAGE (V) –10 –5 15 IB– IB+ 80 VS = ±15V TA = 25°C COMMON MODE RANGE (V) Input Bias Current vs Input Common Mode Voltage V+ –0.5 –1.0 –1.5 –2.0 Input Common Mode Range vs Supply Voltage TA = 25°C ΔVOS < 100μV 2.0 1.5 1.0 0.5 V– 0 3 9 12 6 SUPPLY VOLTAGE (±V) 15 18 14692 G07 14692 G08 14692 G09 Output Voltage Swing vs Supply Voltage V+ –1 OUTPUT VOLTAGE SWING (V) –2 –3 –4 4 3 2 1 V– 0 TA = 25°C RL = 2k RL = 10k 10 15 5 SUPPLY VOLTAGE (±V) 20 14692 G10 Output Voltage Swing vs Load Current V+ –0.5 –1.0 OUTPUT VOLTAGE SWING (V) –1.5 –2.0 –2.5 25°C –40°C OUTPUT SHORT-CIRCUIT CURRENT (mA) VS = ±15V 60 85°C 55 50 45 40 35 30 25 20 15 Output Short-Circuit Current vs Temperature VS = ±15V VIN = ±0.2V SOURCE SINK RL = 10k RL = 2k 2.5 2.0 1.5 1.0 –40°C 25°C 85°C V– 0.5 –20 –15 –10 –5 0 10 5 OUTPUT CURRENT (mA) 15 20 10 –50 –25 50 25 0 75 TEMPERATURE (°C) 100 125 14692 G11 14692 G12 Open-Loop Gain vs Resistive Load 140 135 OPEN-LOOP GAIN (dB) OPEN-LOOP GAIN (dB) VS = ±5V 130 125 VS = ±15V 120 115 110 10 100 1k LOAD RESISTANCE (Ω) 10k 14692 G13 Open-Loop Gain vs Temperature 160 RL = 2k OFFSET VOLTAGE DRIFT (μV) VS = ±5V 140 130 120 110 100 90 –50 –25 VS = ±15V 10 0 –10 –20 –30 –40 –50 –60 –70 50 25 75 0 TEMPERATURE (°C) 100 125 –80 150 Warm-Up Drift vs Time TA = 25°C S0-8 ±5V S0-8 ±15V 0 20 40 60 80 100 120 TIME AFTER POWER UP (s) 140 14692 G15 14692 G14 14692f 7 LT1469-2 TYPICAL PERFORMANCE CHARACTERISTICS Open-Loop Gain and Phase vs Frequency 70 60 50 GAIN (dB) 40 30 20 GAIN PHASE 100 80 60 GAIN (dB) 40 20 0 PHASE (DEG) 6 Gain vs Frequency, AV = –1 TA = 25°C 5 AV = –1 4 RF = RG = 2k CF = 6.8pF 3 RL = 500Ω 2 1 0 –1 –2 –3 –40 –60 100M 14692 G16 Output Impedance vs Frequency 100 VS = ±15V TA = 25°C 10 OUTPUT IMPEDANCE (Ω) AV = 100 1 AV = 10 0.1 AV = –1 0.01 CL = 100pF CL = 47pF CL = 22pF TA = 25°C 10 AV = –1 RF = RG = 5.1k 0 CF = 5pF RL = 2k –10 100k 10k 1M 10M FREQUENCY (Hz) NO CL –20 –4 –5 100k 1M 10M FREQUENCY (Hz) 100M 14692 G17 14692 G18 0.001 10k 100k 1M 10M FREQUENCY (Hz) 100M Undistorted Output Swing vs Frequency, VS = ±15V 30 OUTPUT VOLTAGE SWING (VP-P) OUTPUT VOLTAGE SWING (VP-P) 25 AV = –1 20 15 10 VS = ±15V 5 TA = 25°C RL = 2k THD