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Zero-Drift, High Voltage, Bidirectional Difference Amplifier AD8207
FEATURES
Ideal for current shunt applications EMI filters included 1 μV/°C maximum input offset drift High common-mode voltage range −4 V to +65 V operating (5 V supply) −4 V to +35 V operating (3.3 V supply) −25 V to +75 V survival Gain = 20 V/V 3.3 V to 5.5 V supply range Wide operating temperature range: −40°C to +125°C Bidirectional current monitoring <500 nV/°C typical offset drift <10 ppm/°C typical gain drift >90 dB CMRR dc to 10 kHz Qualified for automotive applications
+IN –IN
FUNCTIONAL BLOCK DIAGRAM
V+
ZERO DRIFT
OUT
AD8207
VREF 1 RANGE REF VREF 2
09160-001
GND
Figure 1.
AD8207 Datasheet
