AD22057

a FEATURES Gain of ؋20. Alterable from ؋1 to ؋160 Input CMR from Below Ground to 6؋ (VS – 1 V) Output Span 20 mV to (VS – 0.2) V 1-, 2-, 3-Pole Low-Pass Filtering Available Accurate Midscale Offset Capability Differential Input Resistance 400 k⍀ Drives 1 k⍀ Load to +4 V Using VS = +5 V Supply Voltage: +3.0 V to +36 V Transient Spike Protection and RFI Filters Included Peak Input Voltage (40 ms): 60 V Reversed Supply Protection: –34 V Operating Temperature Range: –40؇C to +125؇C APPLICATIONS Current Sensing Motor Control Interface for Pressure Transducers, Position Indicators, Strain Gages, and Other Low Level Signal Sources Accelerometers Single-Supply Sensor Interface Amplifier AD22057 FUNCTIONAL BLOCK DIAGRAM +VS OFS A1 A2 AD22057 IN+ A1 IN– A2 OUT GND GENERAL DESCRIPTION The AD22057 is a single-supply difference amplifier for amplifying and low-pass filtering small differential voltages (typically 100 mV FS at a gain of 40) from sources having a large com...