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ADS7817
OAPDSA7681578
ADS7817
SBAS066A – MAY 2001
12-Bit Differential Input Micro Power Sampling ANALOG-TO-DIGITAL CONVERTER
FEATURES
q BIPOLAR INPUT RANGE q TRUE DIFFERENTIAL INPUT q 200kHz SAMPLING RATE q MICRO POWER: 2.3mW at 200kHz q POWER DOWN: 3µA Max q AVAILABLE IN MSOP-8 PACKAGE q SERIAL INTERFACE q AC COMMON-MODE REJECTION
APPLICATIONS
q TRANSDUCER INTERFACE q BATTERY OPERATED SYSTEMS q REMOTE DATA ACQUISITION q ISOLATED DATA ACQUISITION q AC MOTOR CONTROL
DESCRIPTION
The ADS7817 is a 12-bit, 200kHz sampling Analog-toDigital (A/D) converter that features a high impedance fully differential analog input. The reference voltage can be varied from 100mV to 2.5V, with a corresponding inputreferred resolution between 49µV and 1.22mV.