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Low Voltage, Low Power, 16-/24-Bit, Dual Sigma Delta ADC
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a Low Voltage, Low Power,
Factory-Calibrated 16-/24-Bit Dual - ADC
AD7719 FEATURES
HIGH RESOLUTION - ADCs
2 Independent ADCs (16-and 24-Bit Resolution)
Factory-Calibrated (Field Calibration Not Required)
Output Settles in 1 Conversion Cycle (Single
Conversion Mode)
Programmable Gain Front End
Simultaneous Sampling and Conversion of 2
Signal Sources
Separate Reference Inputs for Each Channel
Simultaneous 50 Hz and 60 Hz Rejection at 20 Hz
Update Rate APPLICATIONS
Sensor Measurement
Temperature Measurement
Pressure Measurement
Weigh Scales
Portable Instrumentation
4 to 20 mA Transmitters GENERAL DESCRIPTION The AD7719 is a complete analog front end for low frequency
measurement applications. It contains two high resolution Σ-∆
ADCs, switchable matched excitation current sources, low-side
power switches, digital I/O port, and temperature sensor. The …