Description
Data Sheet AD7682/AD7689 16-Bit, 4-Channel/8-Channel, 250 kSPS PulSAR ADCs .
The AD7682/AD7689 are 4-channel/8-channel, 16-bit, charge redistribution successive approximation register (SAR) analog-to-digital converters (ADCs).
Features
* 16-bit resolution with no missing codes
* 4-channel (AD7682)/8-channel (AD7689) multiplexer with choice
of inputs
* Unipolar single-ended
* Differential (GND sense)
* Pseudobipolar
* Throughput: 250 kSPS
* INL: ±0.4 LSB typical, ±1.5 LSB maximum (±23 ppm or FSR)
* D
Applications
* Multichannel system monitoring
* Battery-powered equipment
* Medical instruments: ECG/EKG
* Mobile communications: GPS
* Power line monitoring
* Data acquisition
* Seismic data acquisition systems
* Instrumentation
* Process control
FUNCTIONAL BLOCK DIAGRAM
Fi