Datasheet AD688 (Analog Devices) - 3

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AD688 SPECIFICATIONS
Typical @ 25°C, +10 V output, VS = ±15 V unless otherwise noted.1 Specifications shown in
boldface
are tested on all production units at final electrical test. Results from those tests are used to calculate outgoing quality levels. All min and max specifications are guaranteed.
Table 1. AD688AQ AD688BQ AD688ARWZ Min Typ Max Min Typ Max Min Typ Max Unit
OUTPUT VOLTAGE ERROR +10 V,
−
10 V Outputs
−5 +5 −2 +2 −4 +4
mV ±10 V TRACKING ERROR
−3 +3 −1.5 +1.5 −1.5 +1.5
mV OUTPUT VOLTAGE DRIFT +10 V, −10 V Outputs 0°C to +70°C (A, B) ±2
–1.5 +1.5
ppm/°C −40°C to +85°C (A, B)
−3 +3 –3 +3 –8 +8
ppm/°C GAIN ADJ AND BAL ADJ2 Trim Range ± 5 ±5 ±5 mV Input Resistance 150 150 150 kΩ LINE REGULATION T 3 MIN to TMAX
–200 +200 –200 +200 –200 +200
µV/V LOAD REGULATION TMIN to TMAX +10 V Output, 0<IOUT<10 mA ±50 ±50 ±50 µV/mA −10 V Output, −10<IOUT<0 mA ±50 ±50 ±50 µV/mA SUPPLY CURRENT TMIN to TMAX 9
12
9
12 12
mA Power Dissipation 270 360 270 360 360 mW OUTPUT NOISE (ANY OUTPUT) 0.1 Hz to 10 Hz 6 6 6 µV p-p Spectral Density, 100 Hz 140 140 140 nV√Hz LONG-TERM STABILITY (@ 25°C) 15 15 15 ppm/1000 hours BUFFER AMPLIFIERS Offset Voltage 100 100 100 µV Offset Voltage Drift 1 1 1 µV/°C Bias Current 20 20 20 nA Open-Loop Gain 110 110 110 dB Output Current A3, A4
−10 +10 −10 +10 −10 +10
mA Common-Mode Rejection (A3, A4) VCM = 1 V p-p 100 100 100 dB Short-Circuit Current 50 50 50 mA TEMPERATURE RANGE Specified Performance A, B Grades −40 +85 −40 +85 −40 +85 °C 1 See Figur for e 4 output configuration. 2 Gain and balance adjustments guaranteed capable of trimming output voltage error and symmetry error to zero. 3 Test Conditions: +VS = +18 V, −VS = –18 V; +VS = +13.5 V, −VS = −13.5 V. Rev. B | Page 3 of 16 Document Outline FEATURES GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS THEORY OF OPERATION APPLICATIONS CALIBRATION NOISE PERFORMANCE AND REDUCTION TURN ON TIME TEMPERATURE PERFORMANCE KELVIN CONNECTIONS DYNAMIC PERFORMANCE BRIDGE DRIVER CIRCUIT OUTLINE DIMENSIONS ORDERING GUIDE