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AD7656-1

250 kSPS时, 6通道,同步采样,双极性, 16位/ 14位/ 12位ADC 250 kSPS, 6-Channel, Simultaneous Sampling, Bipolar, 16-/14-/12-Bit ADC

GENERAL DESCRIPTION

The /AD7657-1/AD7658-11 are reduced decoupling pin- and software-compatible versions of AD7656/AD7657/AD7658. The AD7656-1/AD7657-1/AD7658-1 devices contain six 16-/14-/12-bit, fast, low power successive approximation ADCs in a package designed on the iCMOS® process industrial CMOS.

FEATURES

Pin and software compatiblewith AD7656/AD7657/AD7658 featuring reduced decoupling requirements

6 independent ADCs

True bipolar analog inputs

Pin-/software-selectable ranges: ±10 V, ±5 V

Fast throughput rate: 250 kSPS

iCMOS process technology

Low power

  140 mW at 250 kSPS with 5 V supplies

High noise performance with wide bandwidth

  88 dB SNR at 10 kHz input frequency

On-chip reference and reference buffers

High speed parallel, serial, and daisy-chain interface modes

High speed serial interface

  SPI/QSPI™/MICROWIRE™/DSP compatible

Standby mode: 25 μW max

64-lead LQFP

APPLICATIONS

Power line monitoring and measuring systems

Instrumentation and control systems

Multiaxis positioning systems

AD7656-1 PDF数据文档
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