
Analog Devices
GENERAL DESCRIPTION
The AD7658/AD7657/AD7656 contain six 12/14/16-bit, fast, low power, successive approximation ADCs all in the one package. The AD7658/AD7657/AD7656 core operates from a single 4.5 V to 5.5 V power supply and features throughput rates up to 250 kSPS. The parts contain low noise, wide bandwidth track-and-hold amplifiers that can handle input frequencies up to 8 MHz.
FEATURES
6 Independent ADCs
True Bipolar Analog Inputs
Pin/Software Selectable Ranges:- ±10V, ±5V
Fast throughput rate: 250 kSPS
Specified for VCC of 4.5 V to 5.5 V
Low power 160mW at 250 kSPS with 5 V supplies
Wide input bandwidth: 85 dB SNR at 50 kHz input frequency
On-chip Reference and Reference Buffers
Parallel and Serial Interface
High speed serial interface SPI/QSPI/µWire/DSP compatible
Standby mode: 5 µA max
iCMOSTM Process Technology
64 LQFP package
APPLICATIONS
Power Line Monitoring systems
Instrumentation and control systems
Multi-axis positioning systems