ISL1539IVEZ

DATASHEET EOL PRODUCT RECOMMENDED REPLACEMENT ISL1539A contact our Technical Support Center at https://www.renesas.com/support/contact.html ISL1539 FN7516 Rev 4.00 June 21, 2013 Dual Channel Differential VDSL2 Line Driver The ISL1539 is to be used for high performance long reach and high speed applications, including ADSL2, ADSL2+, and VDSL2 20dBm. Features The ISL1539 is an integral part of the signal chain. The driver has been optimized for flat gain response and reduced harmonic distortion and noise in the bands of interest to improve the overall signal to noise in the system. • 44.1VP-P differential output drive into 100 These drivers achieve a total harmonic distortion (THD) measurement of typically -60dB MTPR @ 1.1MHz, while consuming typically 10mA per DSL channel of total supply current. This supply current can be set using a resistor on the IADJ pin. Two other pins (C0 and C1) can also be used to adjust supply current to one of four pre-set modes (full-IS, 3/4-IS, 1/2-IS, and full power-down). The ISL1539 operates on ±5V to ±15V supplies and retains its bandwidth and linearity over the complete supply range. The device is supplied in the small footprint (4mmx5mm) 24 Ld QFN package and is specified for operation over the full -40°C to +85°C temperature range. Ordering Information • Channel separation - 80dB @ 500kHz - 75dB @ 1MHz - 60dB @ 4MHz • Pb-free (RoHS compliant) Applications • VDSL2 20dBm • ADSL2++ Pin Configuration MDP0046 ISL1539IRZ-T13 (Note 1) 1539 IRZ 24 Ld QFN MDP0046 NOTES: 1. Please refer to TB347 for details on reel specifications. 2. These Intersil Pb-free plastic packaged products employ special Pbfree material sets, molding compounds/die attach materials, and 100% matte tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations). Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pbfree requirements of IPC/JEDEC J STD-020. 3. For Moisture Sensitivity Level (MSL), please see device information page for ISL1539. For more information on MSL, please see tech brief TB363 20 VOUTA 24 Ld QFN VINA+ 1 19 VINA- VINB+ 2 18 VINB- GND 3 17 VOUTB THERMAL PAD IADJ 4 16 NC/SHIELD NC 5 15 VOUTC VINC+ 6 14 VINC- VIND+ 7 13 VINDVOUTD 12 1539 IRZ 21 VS+ ISL1539IRZ-T7 (Note 1) VS+ 11 MDP0046 22 VS- 24 Ld QFN VS- 10 1539 IRZ 23 C0AB ISL1539 (24 LD QFN) TOP VIEW PKG. DWG. # ISL1539IRZ FN7516 Rev 4.00 June 21, 2013 • Bandwidth - 80MHz @ AV = 10 • Current control pins C0CD 9 PACKAGE (Pb-free) • High slew rate of 1200V/µs differential 24 C1AB PART MARKING • -85dBc THD @ 1MHz 2VP-P C1CD 8 PART NUMBER (Notes 2, 3) • 450mA output drive capability Page 1 of 11 ISL1539 Absolute Maximum Ratings (TA = +25°C) Thermal Information VS+ to VS- Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +30V VS+ Voltage to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +30V VS- Voltage to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -30V to +0.3V Driver VIN+ Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VS- to VS+ C0, C1 Voltage to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V IADJ Voltage to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +4V Current into any Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8mA Output Current from Driver (Static) . . . . . . . . . . . . . . . . . . . . . . . . . . . 50mA ESD Rating Human Body Model (Per MIL-STD-883 Method 3015.7) . . . . . . . . . 3kV Machine Model (Per EIAJ ED-4701 Method C-111) . . . . . . . . . . . . 250V Thermal Resistance (Typical) JA (°C/W) JC (°C/W) 24 Ld QFN Package . . . . . . . . . . . . . . . . . . . 38 N/A Power Dissipation. . . . . . . . . . . . . . . . . . .See curves on page 8 and page 8 Storage Temperature Range. . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C Operating Temperature Range . . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C Operating Junction Temperature . . . . . . . . . . . . . . . . . . . .-40°C to +150°C Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below http://www.intersil.com/pbfree/Pb-FreeReflow.asp CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and result in failures not covered by warranty. IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed. Typ values are for information purposes only. Unless otherwise noted, all tests are at the specified temperature and are pulsed tests, therefore: TJ = TC = TA Electrical Specifications PARAMETER VS = ±12V, RF = 3kΩ, RL= 65Ω, IADJ = C0 = C1 = 0V, TA = +25°C. Amplifiers tested separately. DESCRIPTION CONDITIONS MIN (Note 4) TYP MAX (Note 4) UNIT SUPPLY CHARACTERISTICS IS+ (Full IS) Positive Supply Current per Amplifier All outputs at 0V, C0 = C1 = 0V, RADJ = 0 7.5 10 12.5 mA IS- (Full IS) Negative Supply Current per Amplifier All outputs at 0V, C0 = C1 = 0V, RADJ = 0 -12.4 -9.9 -7.4 mA IS+ (3/4 IS) Positive Supply Current per Amplifier All outputs at 0V, C0 = 5V, C1 = 0V, RADJ = 0 7.5 mA IS- (3/4 IS) Negative Supply Current per Amplifier All outputs at 0V, C0 = 5V, C1 = 0V, RADJ = 0 -7.4 mA IS+ (1/2 IS) Positive Supply Current per Amplifier All outputs at 0V, C0 = 0V, C1 = 5V, RADJ = 0 3.7 5.1 6.3 mA IS- (1/2 IS) Negative Supply Current per Amplifier All outputs at 0V, C0 = 0V, C1 = 5V, RADJ = 0 -6.2 -5 -3.5 mA IS+ (Power-down) Positive Supply Current per Amplifier All outputs at 0V, C0 = C1 = 5V, RADJ = 0 0.1 1.0 mA IS- (Power-down) Negative Supply Current per Amplifier All outputs at 0V, C0 = C1 = 5V, RADJ = 0 IGND GND Supply Current per Amplifier All outputs at 0V -1.0 0 mA 0.1 mA INPUT CHARACTERISTICS VOS Input Offset Voltage -2 +1 +2 mV VOS VOS Mismatch -5 0 +5 mV IB+ Non-Inverting Input Bias Current -10 +10 µA IB- Inverting Input Bias Current -75 +60 µA IB- IB- Mismatch -15 +15 µA ROL Transimpedance eN 0 3 MΩ Input Noise Voltage 2.7 nV/Hz iN -Input Noise Current 19 pA/Hz VIH Input High Voltage C0 and C1 inputs, with signal 1.8 V C0 and C1 inputs, without signal 1.6 V VIL Input Low Voltage C0 and C1 inputs IIH0 , IIH1 Input High Current for C0, C1 C0 = 5V, C1 = 5V IIL0, IIL1 Input Low Current for C0 or C1 C0 = 0V, C1 = 0V FN7516 Rev 4.00 June 21, 2013 0.8 V 10 40 µA -15 -4.0 µA Page 2 of 11 ISL1539 Electrical Specifications PARAMETER VS = ±12V, RF = 3kΩ, RL= 65Ω, IADJ = C0 = C1 = 0V, TA = +25°C. Amplifiers tested separately. (Continued) DESCRIPTION CONDITIONS MIN (Note 4) MAX (Note 4) TYP UNIT OUTPUT CHARACTERISTICS VOUT Loaded Output Swing (RL Single-ended to GND) RL = 100Ω RL = 50Ω(+) 10.65 RL = 50Ω (-) RL = 25Ω (+) ±11.1 V 10.95 V -10.95 9.8 -10.55 10.7 V V RL = 25Ω (-) -10.7 450 mA -9.2 V IOL Linear Output Current AV = 5, RL = 10Ω f = 100kHz, THD = -60dBc (10Ω single-ended) IOUT Output Current VOUT = 1V, RL = 1Ω 1 A DYNAMIC PERFORMANCE BW -3dB Bandwidth AV = +10 80 MHz HD2 at 200kHz 2nd Harmonic Distortion at 200kHz fC = 200kHz, RL = 100Ω, VOUT = 2VP-P -90 dBc HD3 at 200kHz 3rd Harmonic Distortion at 200kHz fC = 200kHz, RL = 100Ω, VOUT = 2VP-P -94 dBc THD at 200kHz Total Harmonic Distortion at 200kHz fC = 200kHz, RL = 100Ω, VOUT = 2VP-P -89 dBc HD2 at 1MHz 2nd Harmonic Distortion at 1MHz fC = 1MHz, RL = 100ΩVOUT = 2VP-P -86 dBc fC = 1MHz, RL = 25ΩVOUT = 2VP-P -80 dBc fC = 1MHz, RL = 100ΩVOUT = 2VP-P -90 dBc fC = 1MHz, RL = 25ΩVOUT = 2VP-P -75 dBc HD3 at 1MHz 3rd Harmonic Distortion at 1MHz THD at 1MHz Total Harmonic Distortion at 1MHz fC = 1MHz, RL = 100Ω VOUT = 2VP-P -85 dBc MTPR Multi-Tone Power Ratio 26kHz to 1.1MHz, RLINE = 100Ω, PLINE = 20.4dBM -70 dBc SR Slewrate (single-ended) VOUT from -8V to +8V measured at ±4V 500 V/µs NOTE: 4. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design. FN7516 Rev 4.00 June 21, 2013 Page 3 of 11 ISL1539 Pin Descriptions ISL1539IR (QFN24) PIN NAME 1 VINA+ FUNCTION CIRCUIT Amplifier A non-inverting input VS+ VSCIRCUIT 1 2 VINB+ 3 GND 4 IADJ (Note 5) Amplifier B non-inverting input (Reference Circuit 1) Ground connection Supply current control pin for both DSL channels #1 and #2 VS+ IADJ VS- GND CIRCUIT 2 5 NC Not connected 6 VINC+ Amplifier C non-inverting input (Reference Circuit 1) 7 VIND+ Amplifier D non-inverting input (Reference Circuit 1) 8 C1CD (Note 6) DSL channel #2 current control pin VS+ VS+ 1K COAB VS- IADJ CIRCUIT 3 9 C0CD (Note 6) 10, 22 VS- Negative supply 11, 21 VS+ Positive supply 12 VOUTD Amplifier D output (Reference Circuit 1) 13 VIND- Amplifier D inverting input (Reference Circuit 1) 14 VINC- Amplifier C inverting input (Reference Circuit 1) 15 VOUTC Amplifier C output (Reference Circuit 1) 16 NC/SHIELD 17 VOUTB Amplifier B output (Reference Circuit 1) FN7516 Rev 4.00 June 21, 2013 DSL channel #2 current control pin (Reference Circuit 3) Page 4 of 11 ISL1539 Pin Descriptions (Continued) ISL1539IR (QFN24) PIN NAME 18 VINB- Amplifier B inverting input (Reference Circuit 1) 19 VINA- Amplifier A inverting input (Reference Circuit 1) 20 VOUTA Amplifier A output (Reference Circuit 1) 23 C0AB (Note 7) DSL channel #1 current control pin (Reference Circuit 3) 24 C1AB (Note 7) DSL channel #1 current control pin (Reference Circuit 3) FUNCTION CIRCUIT NOTES: 5. IADJ controls bias current (IS) setting for both DSL channels. 6. Amplifiers C and D comprise DSL channel #2. C0CD and C1CD control IS settings for DSL channel #2. 7. Amplifiers A and B comprise DSL channel #1. C0AB and C1AB control IS settings for DSL channel #1. Typical Performance Curves VS = ±12V CL = 1.8pF AV = +12.4 RL = 100Ω RF = 2kΩ VS = ±12V CL = 1.8pF AV = +12.4 RL = 100Ω RF = 2kΩ RF = 3kΩ RF = 3kΩ RF = 5kΩ RF = 5kΩ FIGURE 1. FREQUENCY RESPONSE FOR VARIOUS RF (FULL POWER MODE) VS = ±12V RF = 5kΩ AV = +12.4 RL = 100Ω CL = 100pF FIGURE 2. FREQUENCY RESPONSE FOR VARIOUS RF (HALF POWER MODE) VS = ±12V AV = +12.4 CL = 27pF RL = 100Ω RF = 3.48kΩ CL = 47pF CL = 22pF RF = 4.99kΩ CL = 1.8pF FIGURE 3. FREQUENCY RESPONSE FOR VARIOUS CL (FULL POWER MODE) FN7516 Rev 4.00 June 21, 2013 FIGURE 4. COMMON MODE FREQUENCY RESPONSE FOR VARIOUS RF (FULL POWER MODE) Page 5 of 11 ISL1539 Typical Performance Curves (Continued) VS = ±12V RF = 3kΩ AV = +12.4 RL = 100Ω VS = ±12V RF = 5kΩ AV = +12.4 RL = 100Ω 2ND HD 2ND HD 3RD HD 3RD HD FIGURE 5. 200KHz 2ND AND 3RD HARMONIC DISTORTION vs VOLTAGE OUTPUT (FULL POWER MODE) VS = ±12V RF = 3kΩ AV = +12.4 RL = 100Ω FIGURE 6. 200kHz 2ND AND 3RD HARMONIC DISTORTION vs VOLTAGE OUTPUT (HALF POWER MODE) VS = ±12V RF = 5kΩ AV = +12.4 RL = 100Ω 3RD HD 2ND HD 2ND HD 3RD HD FIGURE 7. 1MHz 2ND AND 3RD HARMONIC DISTORTION vs OUTPUT VOLTAGE (FULL POWER MODE) FIGURE 8. 1MHz 2ND AND 3RD HARMONIC DISTORTION vs OUPUT VOLTAGE (HALF POWER MODE) VS = ±12V RF = 5kΩ AV = +12.4 RL = 100Ω VS = ±12V RF = 3kΩ AV = +12.4 RL = 100Ω 3RD HD 3RD HD 2ND HD FIGURE 9. 3.75MHz 2ND AND 3RD HARMONIC DISTORTION vs OUTPUT VOLTAGE (FULL POWER MODE) FN7516 Rev 4.00 June 21, 2013 2ND HD FIGURE 10. 3.75MHz 2ND AND 3RD HARMONIC DISTORTION vs OUTPUT VOLTAGE (HALF POWER MODE) Page 6 of 11 ISL1539 Typical Performance Curves (Continued) VS = ±12V RF = 3kΩ AV = +12.4 RL = 100Ω VS = ±12V RF = 3kΩ AV = +12.4 RL = 100Ω 3.75MHz 10MHz 3RD HD 1MHz 2ND HD 200kHz FIGURE 11. 10MHz 2ND AND 3RD HARMONIC DISTORTION vs OUTPUT VOLTAGE (FULL POWER MODE) RADJ = 475Ω VS = ±12V FULL +IS RADJ = 2kΩ ±IS (mA) VS = ±12V RF = 3kΩ AV = +12.4 RL = 100Ω FIGURE 12. TOTAL HARMONIC DISTORTION FOR VARIOUS FREQUENCIES (FULL POWER MODE) RADJ = 0Ω 3/4 +IS FULL -IS 1/2 +IS 3/4 -IS 1/2 -IS RADJ () FIGURE 13. FREQUENCY RESPONSE FOR VARIOUS RADJ FIGURE 14. SUPPLY CURRENT vs RADJ FOR VARIOUS POWER MODE CHANNEL SEPARATION (dB) 0 -10 -20 -30 AB ≥ CD -40 -50 -60 -70 CD ≥ AB -80 -90 -100 100k 1M 10M FREQUENCY (Hz) 100M FIGURE 15. CHANNEL SEPARATION vs FREQUENCY FN7516 Rev 4.00 June 21, 2013 FIGURE 16. TRANSIMPEDANCE Page 7 of 11 ISL1539 Typical Performance Curves (Continued) JEDEC JESD51-7 HIGH EFFECTIVE THERMAL CODCTIVITY TEST BOARD VS = ±12V RL = 1kΩ 4.5 POWER DISSIPATION (W) PSRR- PSRR+ 4.0 3.5 3.0 2.5 3.378W 2.0 1.5 1.0 QFN-24 JA = +38°C/W 0.5 0.0 0 25 50 75 85 100 125 150 AMBIENT TEMPERATURE (°C) FIGURE 17. PSRR vs FREQUENCY FIGURE 18. PACKAGE POWER DISSIPATION vs AMBIENT TEMPERATURE POWER DISSIPATION (W) 1.2 JEDEC JESD51-3 LOW EFFECTIVE THERMAL CODCTIVITY TEST BOARD 1.0 0.8 893mW 0.6 QFN-24 0.4 0.2 0.0 0 JA = +140°C/W 25 50 75 85 100 125 150 AMBIENT TEMPERATURE (°C) FIGURE 19. PACKAGE POWER DISSIPATION vs AMBIENT TEMPERATURE FN7516 Rev 4.00 June 21, 2013 Page 8 of 11 ISL1539 Application Information Power Supplies and Dissipation The ISL1539 consists of two sets of high-power line driver amplifiers that can be connected for full duplex differential line transmission. The amplifiers are designed to be used with signals up to 30MHz and produce low distortion levels. A typical interface circuit is shown in Figure 20. Due to the high power drive capability of the ISL1539, much attention needs to be paid to power dissipation. The power that needs to be dissipated in the ISL1539 has two main contributors. The first is the quiescent current dissipation. The second is the dissipation of the output stage. DRIVER INPUT + - ROUT The quiescent power in the ISL1539 is not constant with varying outputs. In reality, 7mA of the 15mA needed to power the drivers is converted in to output current. Therefore, in the equation below we should subtract the average output current, IO, or 7mA, whichever is the lowest. We’ll call this term IX. LINE + RF RG ZLINE RF ROUT + P Dquiescent = V S   I S – 2I X  (EQ. 1) LINE RF R where: • VS is the supply voltage (VS+ to VS-) + RECEVIE OUT+ RECEVIE AMPLIFIERS RECEVIE OUT- Therefore, we can determine a quiescent current with Equation 1: RIN + - R RF RIN FIGURE 20. TYPICAL LINE INTERFACE CONNECTION The amplifiers are wired with one in positive gain and the other in a negative gain configuration to generate a differential output for a single-ended input. They will exhibit very similar frequency responses for gains of three or greater and thus generate very small common-mode outputs over frequency, but for low gains the two drivers RF's need to be adjusted to give similar frequency responses. The positive-gain driver will generally exhibit more bandwidth and peaking than the negative-gain driver. If a differential signal is available to the drive amplifiers, they may be wired so: • IS is the maximum quiescent supply current (IS+ + IS-) • IX is the lesser of IO or 7mA (generally IX = 7mA) The dissipation in the output stage has two main contributors. Firstly, we have the average voltage drop across the output transistor and secondly, the average output current. For minimal power dissipation, the user should select the supply voltage and the line transformer ratio accordingly. The supply voltage should be kept as low as possible, while the transformer ratio should be selected so that the peak voltage required from the ISL1539 is close to the maximum available output swing. There is a trade off, however, with the selection of transformer ratio. As the ratio is increased, the receive signal available to the receivers is reduced. Once the user has selected the transformer ratio, the dissipation in the output stages can be selected with Equation 2: VS P Dtransistors = 2  I O   ------- – V O   2  (EQ. 2) where: + - 2RG • VS is the supply voltage (VS+ to VS-) RF RF + FIGURE 21. DRIVERS WIRED FOR DIFFERENTIAL INPUT Each amplifier has identical positive gain connections, and optimum common-mode rejection occurs. Further, DC input errors are duplicated and create common-mode rather than differential line errors. FN7516 Rev 4.00 June 21, 2013 • VO is the average output voltage per channel • IO is the average output current per channel The overall power dissipation (PDISS) is obtained by adding PDquiescent and PDtransistor. Then, the JA requirement needs to be calculated. This is done using Equation 3:  T JUNCT – T AMB   JA = -----------------------------------------------P DISS (EQ. 3) Page 9 of 11 ISL1539 where: Power Supplies • TJUNCT is the maximum die temperature (+150°C) The power supplies should be well bypassed close to the ISL1539. A 3.3µF tantalum capacitor for each supply works well. Since the load currents are differential, they should not travel through the board copper and set up ground loops that can return to amplifier inputs. Due to the class AB output stage design, these currents have heavy harmonic content. If the ground terminal of the positive and negative bypass capacitors are connected to each other directly and then returned to circuit ground, no such ground loops will occur. This scheme is employed in the layout of the EL1537 demonstration board, and documentation can be obtained from the factory. • TAMB is the maximum ambient temperature • PDISS is the dissipation calculated above • JA is the junction to ambient thermal resistance for the package when mounted on the PCB This JA value is then used to calculate the area of copper needed on the board to dissipate the power. The IRE and QFN power packages are designed so that heat may be conducted away from the device in an efficient manner. To disperse this heat, the bottom diepad is internally connected to the mounting platform of the die. Heat flows through the diepad into the circuit board copper, then spreads and convects to air. Thus, the ground plane on the component side of the board becomes the heatsink. This has proven to be a very effective technique. JA of +30°C/W can be achieved. Single Supply Operation The ISL1539 can also be powered from a single supply voltage. When operating in this mode, the GND pins can still be connected directly to GND. To calculate power dissipation, the equations in the previous section should be used, with VS equal to half the supply rail. Power Control Function The ISL1539 contains two forms of power control operation. Two digital inputs, C0 and C1, can be used to control the supply current of the ISL1539 drive amplifiers. As the supply current is reduced, the ISL1539 will start to exhibit slightly higher levels of distortion and the frequency response will be limited. The four power modes of the ISL1539 are set up as shown in the table1 below. TABLE 1. POWER MODES OF THE EL15371 C1 C0 0 0 IS Full Power Mode Output Loading 0 1 3/4-IS Power Mode While the drive amplifiers can output in excess of 450mA transiently, the internal metallization is not designed to carry more than 75mA of steady DC current and there is no current-limit mechanism. This allows safely driving rms sinusoidal currents of 2mAx75mA, or 150mA. This current is more than that required to drive line impedances to large output levels, but output short circuits cannot be tolerated. The series output resistor will usually limit currents to safe values in the event of line shorts. Driving lines with no series resistor is a serious hazard. 1 0 1/2-IS Power Mode 1 1 Power Down Operation © Copyright Intersil Americas LLC 2006-2013. All Rights Reserved. All trademarks and registered trademarks are the property of their respective owners. For additional products, see www.intersil.com/en/products.html Intersil products are manufactured, assembled and tested utilizing ISO9001 quality systems as noted in the quality certifications found at www.intersil.com/en/support/qualandreliability.html Intersil products are sold by description only. Intersil may modify the circuit design and/or specifications of products at any time without notice, provided that such modification does not, in Intersil's sole judgment, affect the form, fit or function of the product. Accordingly, the reader is cautioned to verify that datasheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see www.intersil.com FN7516 Rev 4.00 June 21, 2013 Page 10 of 11 ISL1539 QFN (Quad Flat No-Lead) Package MDP0046 QFN (QUAD FLAT NO-LEAD) PACKAGE FAMILY Family (COMPLIANT TO JEDEC MO-220) MILLIMETERS A SYMBOL QFN44 QFN38 D N (N-1) (N-2) B 1 2 3 PIN #1 I.D. MARK E (N/2) 2X 0.075 C 2X 0.075 C N LEADS TOP VIEW 0.10 M C A B (N-2) (N-1) N b L A 0.90 0.90 1 2 3 TOLERANCE NOTES 0.90 ±0.10 - A1 0.02 0.02 0.02 0.02 +0.03/-0.02 - b 0.25 0.25 0.23 0.22 ±0.02 - c 0.20 0.20 0.20 0.20 Reference - D 7.00 5.00 8.00 5.00 Basic - D2 5.10 3.80 5.80 3.60/2.4 8 Reference 8 E 7.00 7.00 8.00 E2 5.10 5.80 5.80 4.60/3.4 0 e 0.50 0.50 0.80 0.50 6.00 Basic - Reference 8 Basic - L 0.55 0.40 0.53 0.50 ±0.05 - N 44 38 32 32 Reference 4 ND 11 7 8 7 Reference 6 NE 11 12 8 9 Reference 5 PIN #1 I.D. 3 QFN32 0.90 MILLIMETERS SYMBOL QFN28 QFN24 QFN20 QFN16 TOLERANCE NOTES A 0.90 0.90 0.90 0.90 0.90 ±0.10 - A1 0.02 0.02 0.02 0.02 0.02 +0.03/ -0.02 - b 0.25 0.25 0.30 0.25 0.33 ±0.02 - c 0.20 0.20 0.20 0.20 0.20 Reference - (E2) (N/2) NE 5 7 (D2) BOTTOM VIEW 0.10 C e C SEATING PLANE 0.08 C N LEADS & EXPOSED PAD D 4.00 4.00 5.00 4.00 4.00 Basic - D2 2.65 2.80 3.70 2.70 2.40 Reference - E 5.00 5.00 5.00 4.00 4.00 Basic - E2 3.65 3.80 3.70 2.70 2.40 Reference - e 0.50 0.50 0.65 0.50 0.65 Basic - L 0.40 0.40 0.40 0.40 0.60 ±0.05 - N 28 24 20 20 16 Reference 4 ND 6 5 5 5 4 Reference 6 NE 8 7 5 5 4 Reference 5 Rev 11 2/07 SEE DETAIL "X" NOTES: 1. Dimensioning and tolerancing per ASME Y14.5M-1994. 2. Tiebar view shown is a non-functional feature. SIDE VIEW 3. Bottom-side pin #1 I.D. is a diepad chamfer as shown. 4. N is the total number of terminals on the device. (c) C 5. NE is the number of terminals on the “E” side of the package (or Y-direction). 2 A (L) A1 DETAIL X FN7516 Rev 4.00 June 21, 2013 N LEADS 6. ND is the number of terminals on the “D” side of the package (or X-direction). ND = (N/2)-NE. 7. Inward end of terminal may be square or circular in shape with radius (b/2) as shown. 8. If two values are listed, multiple exposed pad options are available. Refer to device-specific datasheet. Page 11 of 11