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GENERAL DESCRIPTION

The AD5222 provides a dual channel, 128-position, digitally controlled variable-resistor (VR) device. This device performs the same electronic adjustment function as a potentiometer or variable resistor. These products were optimized for instrument and test equipment push-button applications. Choices between bandwidth or power dissipation are available as a result of the wide selection of end-to-end terminal resistance values.

FEATURES

128-Position, 2-Channel

Potentiometer Replacement

10 kV, 50 kV, 100 kV, 1 MV

Very Low Power: 40 mA Max

62.7 V Dual Supply Operation or 2.7 V to 5.5 V Single Supply Operation

Increment/Decrement Count Control

APPLICATIONS

Stereo Channel Audio Level Control

Mechanical Potentiometer Replacement

Remote Incremental Adjustment Applications

Instrumentation: Gain, Offset Adjustment

Programmable Voltage-to-Current Conversion

Line Impedance Matching