Part # AD22050 datasheet

Part Manufacturer: Analog Devices

Analog Devices

Part Description: AD22050 data sheet


Part Details:

a Single-Supply Sensor Interface Amplifier AD22050 FEATURES FUNCTIONAL BLOCK DIAGRAM Gain of 20. Alterable from 1 to 160Input CMR from Below Ground to 6 (VS ­ 1 V) +VS OFS A1 A2 Output Span 20 mV to (VS ­ 0.2) V1-, 2-, 3-Pole Low-Pass Filtering Available AD22050 Accurate Midscale Offset CapabilityDifferential Input Resistance 400 k IN+ A1 A2 OUT Drives 1 k Load to +4 V Using VS = +5 V IN­ Supply Voltage: +3.0 V to +36 VTransient Spike Protection and RFI Filters IncludedPeak Input Voltage (40 ms): 60 VReversed Supply Protection: ­34 V GND Operating Temperature Range: ­40 C to +125 C APPLICATIONSCurrent SensingMotor ControlInterface for Pressure Transducers, Position Indicators, Strain Gages, and Other Low Level Signal Sources GENERAL DESCRIPTION a +5 V supply with excellent rejection of this common-mode The AD22050 is a single-supply difference amplifier for ampli- voltage. This is achieved by the use of a special resistive attenua- fying and low-pass filtering small differential voltages (typically tor at the input, laser trimmed to a very high differential balance. 100 mV FS at a gain of 40) from sources having a large common- Provisions are included for optional low-pass filtering and gain mode voltage. adjustment. An accurate midscale offset feature allows bipolar Supply voltages from +3.0 V to +36 V can be used. The input signals to be amplified. common-mode range extends from below ground to +24 V using +VS (CAR BATTERY) +5V SOLENOIDLOAD ANALOG OUTPUT4V PER AMP 100m AD22050 200k CORNER FREQUENCY CMOS DRIVER = 0.796Hz- F C POWER ANALOG GROUND DARLINGTON CHASSIS SINGLE-POLE LOW-PASS FILTERING, GAIN: 40 Figure 1. Typical Application Circuit for a Current Sensor Interface REV. C Information furnished by Analog Devices is believed to be accurate andreliable. However, no responsibility is assumed by Analog Devices for itsuse, nor for any infringements of patents or other rights of third parties One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.


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AD22050.pdf Datasheet