Signal Conditioning ADC
LC2MOS Signal Conditioning ADC
AD7712
FEATURES Charge Balancing ADC
24 Bits No Missing Codes ؎0.0015% Nonlinearity High...
Description
LC2MOS Signal Conditioning ADC
AD7712
FEATURES Charge Balancing ADC
24 Bits No Missing Codes ؎0.0015% Nonlinearity High Level and Low Level Analog Input Channels Programmable Gain for Both Inputs Gains from 1 to 128 Differential Input for Low Level Channel Low-Pass Filter with Programmable Filter Cutoffs Ability to Read/Write Calibration Coefficients Bidirectional Microcontroller Serial Interface Internal/External Reference Option Single- or Dual-Supply Operation Low Power (25 mW typ) with Power-Down Mode (100 W typ)
APPLICATIONS Process Control Smart Transmitters Portable Industrial Instruments
GENERAL DESCRIPTION The AD7712 is a complete analog front end for low frequency measurement applications. The device has two analog input channels and accepts either low level signals directly from a transducer or high level (± 4 ϫ VREF) signals, and outputs a serial digital word. It employs a sigma-delta conversion technique to realize up to 24 bits of no missing codes performance. The ...
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