8 V+ -IN A 2 7 OUT B +IN A 3 6 -IN B V- 4 5 +IN B AD8634 TOP VIEW (Not to Scale) 11524-001 OUT A 1 AD8634 Data Sheet TABLE OF CONTENTS Features .............................................................................................. 1 Predicted Lifetime vs. Operating Temperature .........................5 Applications ....................................................................................... 1 Thermal Resistance .......................................................................5 Pin Configuration ............................................................................. 1 ESD Caution...................................................................................5 General Description ......................................................................... 1 Typical Performance Characteristics ..............................................6 Revision History ............................................................................... 2 Applications Information .............................................................. 10 Specifications..................................................................................... 3 Input Protection ......................................................................... 10 Electrical Characteristics, VSY = 15.0 V................................... 3 Outline Dimensions ....................................................................... 11 Electrical Characteristics, VSY = 3.0 V ....................................... 4 Ordering Guide .......................................................................... 11 Absolute Maximum Ratings............................................................ 5 REVISION HISTORY 9/15--Rev. A to Rev. B Changes to Short-Circuit Current Parameter, Table 1 ................ 3 Changes to Short-Circuit Current Parameter, Table 2 ................ 4 Changes to Figure 13 ........................................................................ 7 7/14--Rev. 0 to Rev. A Changes to Unity-Gain Crossover Parameter, Table 1 and -3 dB Closed-Loop Bandwidth Parameter, Table 1 ..................... 3 Changes to Unity-Gain Crossover Parameter, Table 2 and -3 dB Closed-Loop Bandwidth Parameter, Table 2 ..................... 4 7/13--Revision 0: Initial Version Rev. B | Page 2 of 12 10k 1k 100 10 1 120 130 140 150 160 170 180 190 OPERATING TEMPERATURE (C) 200 210 11524-126 PREDICTED LIFETIME (Hours) 100k 60 80 70 NUMBER OF AMPLIFIERS 50 40 30 20 30 20 10 10 -60 -40 -20 0 20 40 60 80 100 VOS (V) 0 -100 -95 -90 -85 -80 -75 -70 -65 -60 -55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 -100 -80 11524-120 0 40 IB (nA) 11524-105 NUMBER OF AMPLIFIERS 50 60 10 25 9 8 NUMBER OF AMPLIFIERS NUMBER OF AMPLIFIERS 20 15 10 5 7 6 5 4 3 2 1 0.50 0.55 0.60 TCVOS (V/C) 0 IOS (nA) 0 40 20 11524-106 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 -2.6 -2.4 -2.2 -2.0 -1.8 -1.6 -1.4 -1.2 -1.0 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 0 11524-121 0 VSY = 15V VCM = 0V -10 VSY = 15V VCM = 0V INPUT BIAS CURRENT (nA) 0 -20 -40 -60 -30 -40 -50 -60 I B+ I B- -70 -80 -80 -90 -50 0 50 100 150 TEMPERATURE (C) 200 250 -100 -100 -50 0 50 100 150 TEMPERATURE (C) 200 250 11524-107 -100 -100 11524-104 OFFSET VOLTAGE (V) -20 400 0 -20 200 100 0 -100 -200 -40 -60 -80 -100 0 2 4 6 8 10 12 14 16 COMMON-MODE VOLTAGE (V) -140 -16 -14 -12 -10 -8 -6 -4 -2 11524-108 -400 -16 -14 -12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12 14 16 COMMON-MODE VOLTAGE (V) 100 100 -40C +25C +210C -40C +175C +210C 10 VDD - VOH (V) 10 VOL - VSS (V) -40C +25C +175C +210C -120 -300 11524-111 -40C +25C +210C INPUT BIAS CURRENT (nA) OFFSET VOLTAGE (V) 300 1 100m 1 0.1 1 10 100 ILOAD (mA) 0.01 0.01 11524-109 1m 0.1 120 0.1 1 10 ILOAD (mA) 100 1000 11524-112 10m 120 VSY = 15V TA = 210C VSY = 15V TA = 210C 100 100 80 PSRR (dB) 60 60 40 40 20 20 1k 10k 100k FREQUENCY (Hz) 1M 10M -20 100 +PSRR -PSRR 1k 10k 100k FREQUENCY (Hz) 1M 10M 100M 11524-018 0 100 0 11524-110 CMRR (dB) 80 180 20 45 0 0 -20 -40 1k 10k 100k 1M -90 100M 10M 1000 500 -45 GAIN PHASE MARGIN 1500 FREQUENCY (Hz) 0 0 5 10 : 1.85V @: 920mV : 320ns @: 140ns OUTPUT INPUT 15 20 25 30 : 1.61V @: -710mV : 280ns @: -140ns OUTPUT INPUT CH1 AMPL 2.93V CH2 500mV A CH1 CH1 AMPL 2.91V 11524-021 CH1 500mV 0V : 1.69V @: -750mV : 320ns @: 140ns OUTPUT INPUT CH1 500mV CH2 500mV A CH1 0V : 1.67V @: 830mV : 280ns @: -140ns OUTPUT INPUT CH2 500mV A CH1 0V CH1 AMPL 2.91V 11524-023 CH1 AMPL 2.92V CH1 500mV 35 SUPPLY VOLTAGE (V) 11524-117 90 2000 11524-020 40 -40C +25C +175C +210C CH1 500mV CH2 500mV A CH1 0V 11524-022 135 SUPPLY CURRENT (A) 60 2500 PHASE MARGIN (Degrees) VSY = 15V RL = 10k 11524-114 GAIN (dB) 80 1000 100 +25C +210C 10 1 10 100 1k FREQUENCY (Hz) 10k 11524-125 VOLTAGE NOISE DENSITY (nV/Hz) VSY = 15V R2 1/2 VOUT AD8634 11524-075 VIN RS VCC VCC +5V +5V U1 ADR225 U2A R2 2.5k + C1 10F C2 0.1F GND + C3 1F C4 0.1F VCC AD8634 OUTPUT +5V R3 2.5k U3 AD8229 -5V VEE R1 2.5k SIGNAL OUT RTD -5V VEE 11524-076 VS Data Sheet AD8634 OUTLINE DIMENSIONS 5.00 (0.1968) 4.80 (0.1890) 8 4.00 (0.1574) 3.80 (0.1497) 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) 012407-A 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. Figure 24. 8-Lead Standard Small Outline Package [SOIC_N] Narrow Body (R-8) Dimensions shown in millimeters and (inches) 1.00 0.260 0.255 SQ 0.250 0.195 0.190 SQ 0.185 0.155 0.150 0.145 0.012 R TYP 0.006 0.005 0.004 1 8 4 5 0.035 TYP 0.019 0.017 0.015 TOP VIEW 0.05 TYP IDEX MARK 0.091 0.083 0.075 END VIEW 0.026 MIN 0.054 0.044 0.034 BOTTOM VIEW 0.024 0.007 MIN SIDE VIEW 0.175 03-26-2013-A 0.053 0.050 0.047 Figure 25. 8-Lead Ceramic Flat Package [FLATPACK] (F-8-2) Dimensions shown in inches ORDERING GUIDE Model1 AD8634HRZN AD8634HFZ 1 Temperature Range -40C to +175C -40C to +210C Package Description 8-Lead Standard Small Outline Package [SOIC_N] 8-Lead Ceramic Flat Package [FLATPACK] Z = RoHS Compliant Part. Rev. B | Page 11 of 12 Package Option R-8 F-8-2