Datasheet AD708 (Analog Devices) - 9

Data Sheet AD708 MATCHING CHARACTERISTICS 32 16 25°C 28 14 %) 24 %) 12 ( ( S S T T 20 10 UNI UNI F F O 16 O E 8 E AG AG 12 NT 6 NT RCE RCE E 8 E 4 P P 4 2
019 022
0
05789-
0
05789-
–50 –40 –30 –20 –10 0 10 20 30 40 50 –1.0 –0.8 –0.6 –0.4 –0.2 0 0.2 0.4 0.6 0.8 1.0 OFFSET VOLTAGE MATCH (µV) OFFSET CURRENT MATCH (nA)
Figure 19. Typical Distribution of Offset Voltage Match Figure 22. Typical Distribution of Input Offset Current Match
32 160 –55°C TO +125°C 28 140 %) 24 120 ( S T B) 20 d 100 UNI F CH ( O 16 E 80 AT AG 12 NT RR M 60 S P RCE E 8 40 P 4 20
020 023
0
05789-
0
05789-
–0.5 –0.4 –0.3 –0.2 –0.1 0 0.1 0.2 0.3 0.4 0.5 –60 –40 –20 0 20 40 60 80 100 120 140 OFFSET DRIFT MATCH (µV/°C) TEMPERATURE (°C)
Figure 20. Typical Distribution of Offset Voltage Drift Match Figure 23. PSRR Match vs. Temperature
16 160 14 140 %) 12 120 ( S T B) 10 d 100 UNI F CH ( O 8 E 80 AT AG 6 NT RR M 60 CM RCE E 4 40 P 2 20
021 024
0
05789-
0
05789-
–1.0 –0.8 –0.6 –0.4 –0.2 0 0.2 0.4 0.6 0.8 1.0 –60 –40 –20 0 20 40 60 80 100 120 140 INPUT BIAS CURRENT MATCH (nA) TEMPERATURE (°C)
Figure 21. Typical Distribution of Input Bias Current Match Figure 24. Common-Mode Rejection Ratio (CMRR) Match vs. Temperature Rev. D | Page 9 of 16 Document Outline Features Pin Configuration General Description Product Highlights Revision History Specifications Absolute Maximum Ratings ESD Caution Typical Performance Characteristics Matching Characteristics Theory of Operation Crosstalk Performance Operation with a Gain of −100 High Precision Programmable Gain Amplifier Bridge Signal Conditioner Precision Absolute Value Circuit Selection of Passive Components Outline Dimensions Ordering Guide