Rail-to-Rail, High Output Current Amplifier AD8397 PIN CONFIGURATION OUT1 1 8 +VS -IN1 2 7 OUT2 +IN1 3 6 -IN2 -VS 4 5 +IN2 Figure 1. 8-Lead SOIC 1.50 1.25 1.00 0.75 0.50 VOUT (V) Dual operational amplifier Voltage feedback Wide supply range from 3 V to 24 V Rail-to-rail output Output swing to within 0.5 V of supply rails High linear output current 310 mA peak into 32 on 12 V supplies while maintaining -80 dBc SFDR Low noise 4.5 nV/Hz voltage noise density at 100 kHz 1.5 pA/Hz current noise density at 100 kHz High speed 69 MHz bandwidth (G = 1, -3 dB) 53 V/s slew rate (RLOAD = 25 ) 05069-001 FEATURES 0.25 0 -0.25 -0.50 Twisted-pair line drivers Audio applications General-purpose ac applications -0.75 -1.00 05069-031 APPLICATIONS -1.25 -1.50 0 2 4 6 8 10 12 TIME (s) 14 16 18 20 18 20 Figure 2. Output Swing, VS = 1.5 V, RL = 25 GENERAL DESCRIPTION 9 6 3 0 -3 -6 -9 05069-032 Fabricated with Analog Devices, Inc., high speed extra fast complementary bipolar high voltage (XFCB-HV) process, the high bandwidth and fast slew rate of the AD8397 keep distortion to a minimum. The AD8397 is available in a standard 8-lead SOIC_N package and, for higher power dissipating applications, a thermally enhanced 8-lead SOIC_N_EP package. Both packages can operate from -40C to +85C. 12 VOUT (V) The AD8397 comprises two voltage feedback operational amplifiers capable of driving heavy loads with excellent linearity. The common-emitter, rail-to-rail output stage surpasses the output voltage capability of typical emitter-follower output stages and can swing to within 0.5 V of either rail while driving a 25 load. The low distortion, high output current, and wide output dynamic range make the AD8397 ideal for applications that require a large signal swing into a heavy load. -12 0 2 4 6 8 10 12 TIME (s) 14 16 Figure 3. Output Swing, VS = 12 V, RL = 100 Rev. A Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 (c)2011 Analog Devices, Inc. All rights reserved. AD8397 TABLE OF CONTENTS Features .............................................................................................. 1 Typical Performance Characteristics ..............................................8 Applications....................................................................................... 1 Applications Information .............................................................. 11 General Description ......................................................................... 1 Power Supply and Decoupling.................................................. 11 Pin Configuration............................................................................. 1 Layout Considerations............................................................... 11 Revision History ............................................................................... 2 Unity-Gain Output Swing ......................................................... 11 Specifications..................................................................................... 3 Capacitive Load Drive ............................................................... 12 Absolute Maximum Ratings............................................................ 7 Outline Dimensions ....................................................................... 13 Maximum Power Dissipation ..................................................... 7 Ordering Guide .......................................................................... 13 ESD Caution.................................................................................. 7 REVISION HISTORY 5/11--Rev. 0 to Rev. A Changes to Applications Section and General Description Section................................................................................................ 1 Changed Maximum Output Current Parameter to Peak AC Output Current Parameter, Table 1................................................ 3 Added Note 1 and Note 2, Table 1.................................................. 3 Changed Maximum Output Current Parameter to Peak AC Output Current Parameter, Table 2................................................ 4 Added Note 1 and Note 2, Table 2.................................................. 4 Changed Maximum Output Current Parameter to Peak AC Output Current Parameter, Table 3................................................ 5 Added Note 1 and Note 2, Table 3.................................................. 5 Changed Maximum Output Current Parameter to Peak AC Output Current Parameter, Table 4................................................ 6 Added Note 1 and Note 2, Table 4.................................................. 6 Changes to Figure 4.......................................................................... 7 Changed General Description Section to Applications Information Section ....................................................................... 11 Updated Outline Dimensions ....................................................... 13 1/05--Revision 0: Initial Version Rev. A | Page 2 of 16 AD8397 SPECIFICATIONS VS = 1.5 V or +3 V (at TA = 25C, G = +1, RL = 25 , unless otherwise noted) 1 . Table 1. Parameter DYNAMIC PERFORMANCE -3 dB Bandwidth 0.1 dB Flatness Large Signal Bandwidth Slew Rate NOISE/DISTORTION PERFORMANCE Distortion (Worst Harmonic) Input Voltage Noise Input Current Noise DC PERFORMANCE Input Offset Voltage Test Conditions/Comments Min MHz MHz MHz V/s fC = 100 kHz, VOUT = 1.4 V p-p, G = +2 f = 100 kHz f = 100 kHz -90 4.5 1.5 dBc nV/Hz pA/Hz 81 1.0 2.5 1.0 200 1.3 50 88 VCM = 1 V -71 87 1.4 -80 k pF dB RLOAD = 25 RLOAD = 25 RLOAD = 100 RLOAD = 100 SFDR -70 dBc, f = 100 kHz, VOUT = 0.7 VP, RLOAD = 4.1 +1.39 0.2 +1.43 -1.4 +1.48 -1.47 170 VP VP VP VP mA TMIN - TMAX 2 Unit 50 3.6 9 32 Input Offset Voltage Match Input Bias Current 1 Max VOUT = 0.1 V p-p VOUT = 0.1 V p-p VOUT = 2.0 V p-p VOUT = 0.8 V p-p TMIN - TMAX Input Offset Current Open-Loop Gain INPUT CHARACTERISTICS Input Resistance Input Capacitance Common-Mode Rejection OUTPUT CHARACTERISTICS Output Resistance +Swing -Swing +Swing -Swing Peak AC Output Current 2 POWER SUPPLY Operating Range (Dual Supply) Supply Current Power Supply Rejection Typ VOUT = 0.5 V f = 100 kHz +1.45 1.5 6 -70 VS = 0.5 V Unity gain used to facilitate characterization. To improve stability, a gain of 2 or greater is recommended. Peak ac output current specification assumes normal ac operation and is not valid for continuous dc operation. Rev. A | Page 3 of 16 7 -82 2.5 2.0 900 300 -1.37 -1.44 12.0 8.5 mV mV mV nA A nA dB V mA/Amp dB AD8397 VS = 2.5V or +5 V (at TA = 25C, G = +1, RL = 25 , unless otherwise noted) 1 . Table 2. Parameter DYNAMIC PERFORMANCE -3 dB Bandwidth 0.1 dB Flatness Large Signal Bandwidth Slew Rate NOISE/DISTORTION PERFORMANCE Distortion (Worst Harmonic) Input Voltage Noise Input Current Noise DC PERFORMANCE Input Offset Voltage Test Conditions/Comments Min MHz MHz MHz V/s fC = 100 kHz, VOUT = 2 V p-p, G = +2 f = 100 kHz f = 100 kHz -98 4.5 1.5 dBc nV/Hz pA/Hz 85 1.0 2.5 1.0 200 1.3 50 90 VCM = 1 V -76 87 1.4 -80 k pF dB RLOAD = 25 RLOAD = 25 RLOAD = 100 RLOAD = 100 SFDR -70 dBc, f = 100 kHz, VOUT = 1.0 VP, RLOAD = 4.3 +2.37 0.2 +2.42 -2.37 +2.48 -2.46 230 VP VP VP VP mA TMIN - TMAX 2 Unit 60 4.8 14 53 Input Offset Voltage Match Input Bias Current 1 Max VOUT = 0.1 V p-p VOUT = 0.1 V p-p VOUT = 2.0 V p-p VOUT = 2.0 V p-p TMIN - TMAX Input Offset Current Open-Loop Gain INPUT CHARACTERISTICS Input Resistance Input Capacitance Common-Mode Rejection OUTPUT CHARACTERISTICS Output Resistance +Swing -Swing +Swing -Swing Peak AC Output Current 2 POWER SUPPLY Operating Range (Dual Supply) Supply Current Power Supply Rejection Typ VOUT = 1.0 V f = 100 kHz +2.45 1.5 7 -75 VS = 0.5 V Unity gain used to facilitate characterization. To improve stability, a gain of 2 or greater is recommended. Peak ac output current specification assumes normal ac operation and is not valid for continuous dc operation. Rev. A | Page 4 of 16 9 -85 2.4 2.0 900 300 -2.32 -2.42 12.6 12 mV mV mV nA A nA dB V mA/Amp dB AD8397 VS = 5 V or +10 V (at TA = 25C, G = +1, RL = 25 , unless otherwise noted) 1 . Table 3. Parameter DYNAMIC PERFORMANCE -3 dB Bandwidth 0.1 dB Flatness Large Signal Bandwidth Slew Rate NOISE/DISTORTION PERFORMANCE Distortion (Worst Harmonic) Input Voltage Noise Input Current Noise DC PERFORMANCE Input Offset Voltage Test Conditions/Comments Min MHz MHz MHz V/s fC = 100 kHz, VOUT = 6 V p-p, G = +2 f = 100 kHz f = 100 kHz -94 4.5 1.5 dBc nV/Hz pA/Hz 85 1.0 2.5 1.0 200 1.3 50 94 VCM = 1 V -84 87 1.4 -94 k pF dB RLOAD = 25 RLOAD = 25 RLOAD = 100 RLOAD = 100 SFDR -80 dBc, f = 100 kHz, VOUT = 3 VP, RLOAD = 12 +4.7 0.2 +4.82 -4.74 +4.96 -4.92 250 VP VP VP VP mA TMIN - TMAX 2 Unit 66 6.5 14 53 Input Offset Voltage Match Input Bias Current 1 Max VOUT = 0.1 V p-p VOUT = 0.1 V p-p VOUT = 2.0 V p-p VOUT = 4.0 V p-p TMIN - TMAX Input Offset Current Open-Loop Gain INPUT CHARACTERISTICS Input Resistance Input Capacitance Common-Mode Rejection OUTPUT CHARACTERISTICS Output Resistance +Swing -Swing +Swing -Swing Peak AC Output Current 2 POWER SUPPLY Operating Range (Dual Supply) Supply Current Power Supply Rejection Typ VOUT = 2.0 V f = 100 kHz +4.92 1.5 7 -76 VS = 0.5 V Unity gain used to facilitate characterization. To improve stability, a gain of 2 or greater is recommended. Peak ac output current specification assumes normal ac operation and is not valid for continuous dc operation. Rev. A | Page 5 of 16 9 -85 2.5 2.0 900 300 -4.65 -4.88 12.6 12 mV mV mV nA A nA dB V mA/Amp dB AD8397 VS = 12 V or +24 V (at TA = 25C, G = +1, RL = 25 , unless otherwise noted) 1 . Table 4. Parameter DYNAMIC PERFORMANCE -3 dB Bandwidth 0.1 dB Flatness Large Signal Bandwidth Slew Rate NOISE/DISTORTION PERFORMANCE Distortion (Worst Harmonic) Input Voltage Noise Input Current Noise DC PERFORMANCE Input Offset Voltage Test Conditions/Comments Min MHz MHz MHz V/s fC = 100 kHz, VOUT = 20 V p-p, G = +5 f = 100 kHz f = 100 kHz -84 4.5 1.5 dBc nV/Hz pA/Hz 90 1.0 2.5 1.0 200 1.3 50 96 VCM = 1 V -85 87 1.4 -96 k pF dB RLOAD = 100 RLOAD = 100 SFDR -80 dBc, f = 100 kHz, VOUT = 10 VP, RLOAD = 32 +11.82 0.2 +11.89 -11.83 310 VP VP mA TMIN - TMAX 1 2 Unit 69 7.6 14 53 Input Offset Voltage Match Input Bias Current INPUT CHARACTERISTICS Input Resistance Input Capacitance Common-Mode Rejection OUTPUT CHARACTERISTICS Output Resistance +Swing -Swing Peak AC Output Current 2 POWER SUPPLY Operating Range (Dual Supply) Supply Current Power Supply Rejection Max VOUT = 0.1 V p-p VOUT = 0.1 V p-p VOUT = 2.0 V p-p VOUT = 4.0 V p-p TMIN - TMAX Input Offset Current Open-Loop Gain Typ VOUT = 3.0 V f = 100 kHz 1.5 8.5 -76 VS = 0.5 V Unity gain used to facilitate characterization. To improve stability, a gain of 2 or greater is recommended. Peak ac output current specification assumes normal ac operation and is not valid for continuous dc operation. Rev. A | Page 6 of 16 11 -86 3.0 2.0 900 300 -11.77 12.6 15 mV mV mV nA A nA dB V mA/Amp dB AD8397 ABSOLUTE MAXIMUM RATINGS MAXIMUM POWER DISSIPATION Table 5. Parameter Supply Voltage Power Dissipation1 Storage Temperature Range Operating Temperature Range Lead Temperature (Soldering, 10 sec) Junction Temperature Rating 26.4 V See Figure 4 -65C to +125C -40C to +85C 300C 150C The maximum power that can be dissipated safely by the AD8397 is limited by the associated rise in junction temperature. The maximum safe junction temperature for plastic encapsulated devices is determined by the glass transition temperature of the plastic, approximately 150C. Temporarily exceeding this limit may cause a shift in parametric performance due to a change in the stresses exerted on the die by the package. 4.5 Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Thermal resistance for standard JEDEC 4-layer board: 8-lead SOIC_N: JA = 157.6C/W 8-Lead SOIC_N_EP: JA = 47.2C/W 3.5 3.0 2.5 2.0 1.5 8-LEAD SOIC 1.0 05069-020 MAXIMUM POWER DISSIPATION (W) 1 TJ = 150C 4.0 0.5 0 -40 -30 -20 -10 0 10 20 30 40 50 60 AMBIENT TEMPERATURE (C) 70 80 90 Figure 4. Maximum Power Dissipation vs. Ambient Temperature ESD CAUTION Rev. A | Page 7 of 16 AD8397 TYPICAL PERFORMANCE CHARACTERISTICS 100 0 VOUT 80 -10 60 -20 -30 VIN 20 CMRR (dB) 0 -20 OUT 1 -40 OUT 2 -50 -60 -40 -70 05069-029 -60 -80 -100 0 20 40 60 80 100 120 TIME (ns) 140 160 180 05069-005 OUTPUT (mV) 40 -80 -90 0.01 200 Figure 5. Small Signal Pulse Response (G = +1, VS = 5 V, RL = 25 ) 0.1 1 FREQUENCY (MHz) 10 100 Figure 8. Common-Mode Rejection (CMRR) vs. Frequency (VS = 5 V, RL = 25 ) 0 5 -10 4 -20 VIN VOUT -30 CROSSTALK (dB) OUTPUT (V) 3 2 1 -40 -50 OUT 1 -60 -70 -80 OUT 2 05069-022 -1 0 0.2 0.4 0.6 0.8 1.0 1.2 TIME (s) 1.4 1.6 1.8 -100 -110 0.01 2.0 6 VIN 0.1 1 FREQUENCY (MHz) 10 100 Figure 9. Output-to-Output Crosstalk vs. Frequency (VS = 5 V, VO = 1 V p-p, RL = 25 ) Figure 6. Large Signal Pulse Response (0 V to 4 V, VS = 5 V, RL = 25 ) 3.0 05069-006 -90 0 0.3 VOUT 2.5 5 2.0 4 1.5 3 1.0 2 0.5 1 0.2 GAIN (dB) OUTPUT (V) 0 VO = 100mV p-p -0.1 0 0 -1.0 0 40 80 120 160 200 240 TIME (ns) 280 320 360 -2 400 Figure 7. Output Overdrive Recovery (VS = 5 V, Gain = +2, RL = 25 ) -0.3 0.1 05069-007 -0.2 -1 -0.5 05069-004 INPUT (V) 0.1 1 FREQUENCY (MHz) Figure 10. 0.1 dB Flatness (VS = 5 V, VO = 0.1 V p-p, Gain = +1, RL = 25 ) Rev. A | Page 8 of 16 10 AD8397 10 10 G = +1 0 NORMALIZED GAIN (dB) G = +2 -10 G = +10 -20 G = +1 G = +2 -10 -20 G = +10 -30 05069-008 -30 -40 0.01 0.1 1 10 FREQUENCY (MHz) -40 0.01 100 Figure 11. Small Signal Frequency Response for Various Gains (VS = 5 V, VO = 0.1 V p-p, RL = 25 ) 05069-011 NORMALIZED GAIN (dB) 0 0.1 1 10 FREQUENCY (MHz) 100 Figure 14. Large Signal Frequency Response for Various Gains (VS = 5 V, VO = 2 V p-p, RL = 25 ) 10 20 12V 10 0 5V GAIN (dB) GAIN (dB) 0 -10 -20 -10 12V -20 2.5V -30 -30 0.1 1 10 FREQUENCY (MHz) 5V -40 0.01 100 Figure 12. Small Signal Frequency Response for Various Supplies (Gain = +1, VO = 0.1 V p-p, RL = 25 ) 100 135 80 90 0 -10 -45 -90 -135 -40 0.001 0.01 0.1 1 10 FREQUENCY (MHz) 100 -180 1000 -30 PSRR (dB) GAIN PHASE (Degrees) 0 -40 +PSRR -50 -PSRR -60 05069-010 OPEN-LOOP GAIN (dB) 40 -20 100 -20 45 0 1 10 FREQUENCY (MHz) Figure 15. Large Signal Frequency Response for Various Supplies (Gain = +1, VO = 2 V p-p, RL = 25 ) PHASE 60 20 0.1 -70 -80 0.01 05069-013 -40 0.01 05069-012 05069-009 2.5V 0.1 1 FREQUENCY (MHz) 10 100 Figure 16. Power Supply Rejection Ratio (PSRR) vs. Frequency (VS = 5 V, RL = 25 ) Figure 13. Open Loop Gain and Phase vs. Frequency (VS = 5 V, RL = 25 ) Rev. A | Page 9 of 16 AD8397 -40 0 -10 -50 -20 -60 -40 DISTORTION (dBc) -50 -60 -70 -80 SECOND HARMONIC -90 -70 -80 -90 SECOND HARMONIC -100 -100 -120 0.01 0.1 1 FREQUENCY (MHz) -120 0 10 1 2 3 4 5 6 7 OUTPUT VOLTAGE (V p-p) 8 9 10 Figure 20. Distortion vs. Output Voltage @ 100 kHz, (VS = 5 V, G = +2, RL = 25 ) -40 -40 -50 -50 -60 -60 DISTORTION (dBc) -70 -80 SECOND HARMONIC -90 -100 -70 -80 SECOND HARMONIC -90 -100 THIRD HARMONIC -120 0 -120 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50 2.75 OUTPUT VOLTAGE (V p-p) 0 Figure 18. Distortion vs. Output Voltage @ 100 kHz, (VS = 1.5 V, G = +2, RL = 25 ) -50 -60 -70 -80 SECOND HARMONIC -100 05069-025 -110 THIRD HARMONIC -120 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 OUTPUT VOLTAGE (V p-p) 4.0 4.5 2 4 6 8 10 12 14 16 18 OUTPUT VOLTAGE (V p-p) 20 22 Figure 21. Distortion vs. Output Voltage @ 100 kHz, (VS = 12 V, G = +5, RL = 50 ) -40 -90 THIRD HARMONIC -110 05069-024 -110 05069-027 DISTORTION (dBc) Figure 17. Distortion vs. Frequency (VS = 5 V, VO = 2 V p-p, G = +2, RL = 25 ) DISTORTION (dBc) THIRD HARMONIC -110 05069-023 THIRD HARMONIC -110 05069-026 DISTORTION (dBc) -30 5.0 Figure 19. Distortion vs. Output Voltage @ 100 kHz, (VS = 2.5 V, G = +2, RL = 25 ) Rev. A | Page 10 of 16 24 AD8397 APPLICATIONS INFORMATION The AD8397 is a voltage feedback operational amplifier that features an H-bridge input stage and common-emitter, rail-to-rail output stage. The AD8397 can operate from a wide supply range, 1.5 V to 12 V. When driving light loads, the rail-to-rail output is capable of swinging to within 0.2 V of either rail. The output can also deliver high linear output current when driving heavy loads, up to 310 mA into 32 while maintaining -80 dBc SFDR. The AD8397 is fabricated on Analog Devices proprietary XFCB-HV. POWER SUPPLY AND DECOUPLING The AD8397 can be powered with a good quality, well-regulated, low noise supply from 1.5 V to 12 V. Pay careful attention to decoupling the power supply. Use high quality capacitors with low equivalent series resistance (ESR), such as multilayer ceramic capacitors (MLCCs), to minimize the supply voltage ripple and power dissipation. Locate a 0.1 F MLCC decoupling capacitor(s) no more than 1/8 inch away from the power supply pin(s). A large tantalum 10 F to 47 F capacitor is recommended to provide good decoupling for lower frequency signals and to supply current for fast, large signal changes at the AD8397 outputs. When the AD8397 is configured as a differential driver, as in some line driving applications, provide a symmetrical layout to the extent possible in order to maximize balanced performance. When running differential signals over a long distance, the traces on the PCB should be close together or any differential wiring should be twisted together to minimize the area of the inductive loop that is formed. This reduces the radiated energy and makes the circuit less susceptible to RF interference. Adherence to stripline design techniques for long signal traces (greater than approximately 1 inch) is recommended. UNITY-GAIN OUTPUT SWING When operating the AD8397 in a unity-gain configuration, the output does not swing to the rails and is constrained by the H-bridge input. This can be seen by comparing the output overdrive recovery in Figure 7 and the input overdrive recovery in Figure 22. To avoid overdriving the input and to realize the full swing afforded by the rail-to-rail output stage, use the amplifier in a gain of two or greater. 7 LAYOUT CONSIDERATIONS 6 Rev. A | Page 11 of 16 INPUT 5 4 OUTPUT 3 2 1 0 05069-028 VOLTS As with all high speed applications, pay careful attention to printed circuit board (PCB) layout to prevent associated board parasitics from becoming problematic. The PCB should have a low impedance return path (or ground) to the supply. Removing the ground plane from all layers in the immediate area of the amplifier helps to reduce stray capacitances. The signal routing should be short and direct in order to minimize the parasitic inductance and capacitance associated with these traces. Locate termination resistors and loads as close as possible to their respective inputs and outputs. Keep input traces as far apart as possible from the output traces to minimize coupling (crosstalk) though the board. -1 0 80 160 240 320 400 480 560 640 TIME (ns) Figure 22. Unity-Gain Input Overdrive Recovery 720 800 AD8397 CAPACITIVE LOAD DRIVE 220pF 270pF -5 330pF -15 -20 -25 -30 -35 0.1 1 10 FREQUENCY (MHz) 100 Figure 24. Capacitive Load Peaking with 2.2 Series Resistor -5 150pF -10 100pF -15 -20 -25 -30 05069-021 GAIN (dB) 470pF -10 -40 0.01 270pF 0 -35 -40 0.01 390pF 0 05069-030 5 5 GAIN (dB) When driving capacitive loads, many high speed operational amplifiers exhibit peaking in their frequency response. In a gain-of-two circuit, Figure 23 shows that the AD8397 can drive capacitive loads up to 270 pF with only 3 dB of peaking. For amplifiers with more limited capacitive load drive, a small series resistor (RS) is generally used between the amplifier output and the capacitive load in order to minimize peaking and ensure device stability. Figure 24 shows that the use of a 2.2 series resistor can further extend the capacitive load drive of the AD8397 out to 470 pF, while keeping the frequency response peaking to within 3 dB. 0.1 1 10 FREQUENCY (MHz) 100 Figure 23. Capacitive Load Peaking Without Series Resistor Rev. A | Page 12 of 16 AD8397 OUTLINE DIMENSIONS 5.00 (0.1968) 4.80 (0.1890) 1 5 4 1.27 (0.0500) BSC 0.25 (0.0098) 0.10 (0.0040) 6.20 (0.2441) 5.80 (0.2284) 1.75 (0.0688) 1.35 (0.0532) 0.51 (0.0201) 0.31 (0.0122) COPLANARITY 0.10 SEATING PLANE 0.50 (0.0196) 0.25 (0.0099) 45 8 0 0.25 (0.0098) 0.17 (0.0067) 1.27 (0.0500) 0.40 (0.0157) COMPLIANT TO JEDEC STANDARDS MS-012-AA CONTROLLING DIMENSIONS ARE IN MILLIMETERS; INCH DIMENSIONS (IN PARENTHESES) ARE ROUNDED-OFF MILLIMETER EQUIVALENTS FOR REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN. 012407-A 8 4.00 (0.1574) 3.80 (0.1497) Figure 25. 8-Lead Standard Small Outline Package [SOIC_N] Narrow Body (R-8) Dimensions shown in millimeters and (inches) 4.00 (0.157) 3.90 (0.154) 3.80 (0.150) 5.00 (0.197) 4.90 (0.193) 4.80 (0.189) 8 5 TOP VIEW 1 4 FOR PROPER CONNECTION OF THE EXPOSED PAD, REFER TO THE PIN CONFIGURATION AND FUNCTION DESCRIPTIONS SECTION OF THIS DATA SHEET. 3.098 (0.122) 2.41 (0.095) 6.20 (0.244) 6.00 (0.236) 5.80 (0.228) BOTTOM VIEW 1.27 (0.05) BSC (PINS UP) 1.65 (0.065) 1.25 (0.049) 0.10 (0.004) MAX COPLANARITY 0.10 SEATING PLANE 0.51 (0.020) 0.31 (0.012) 0.50 (0.020) 0.25 (0.010) 0.25 (0.0098) 0.17 (0.0067) 8 0 45 1.27 (0.050) 0.40 (0.016) COMPLIANT TO JEDEC STANDARDS MS-012-A A CONTROLLING DIMENSIONS ARE IN MILLIMETER; INCH DIMENSIONS (IN PARENTHESES) ARE ROUNDED-OFF MILLIMETER EQUIVALENTS FOR REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN. 07-28-2008-A 1.75 (0.069) 1.35 (0.053) Figure 26. 8-Lead Standard Small Outline Package with Exposed Pad [SOIC_N_EP] Narrow Body (RD-8-2) Dimensions shown in millimeters and (inches) ORDERING GUIDE Model 1 AD8397ARZ AD8397ARZ-REEL AD8397ARZ-REEL7 AD8397ARDZ AD8397ARDZ-REEL AD8397ARDZ-REEL7 1 Temperature Package -40C to +85C -40C to +85C -40C to +85C -40C to +85C -40C to +85C -40C to +85C Package Description 8-Lead SOIC_N 8-Lead SOIC_N 8-Lead SOIC_N 8-Lead SOIC_N_EP 8-Lead SOIC_N_EP 8-Lead SOIC_N_EP Z = RoHS Compliant Part. Rev. A | Page 13 of 16 Package Outline R-8 R-8 R-8 RD-8-2 RD-8-2 RD-8-2 AD8397 NOTES Rev. A | Page 14 of 16 AD8397 NOTES Rev. A | Page 15 of 16 AD8397 NOTES (c)2011 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D05069-0-5/11(A) Rev. A | Page 16 of 16 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Analog Devices Inc.: AD8397ARD-EBZ AD8397AR-EBZ