AD7656A-1

Data Sheet 250 kSPS, 6-Channel, Simultaneous Sampling, Bipolar, 16-Bit ADC AD7656A-1 FEATURES Pin and software compatible with the AD7656A featuring reduced decoupling requirements 6 independent analog-to-digital converters (ADCs) True bipolar analog inputs Pin-/software-selectable ranges: ±10 V or ±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 Serial peripheral interface (SPI)/QSPI™/MICROWIRE®/DSP compatible Power-down mode: 315 µW maximum 64-lead LQFP Built-in power supply sequencing (PSS) robustness solution APPLICATIONS Power line monitoring and measuring systems Instrumentation and control systems Multiaxis positioning systems FUNCTIONAL BLOCK DIAGRAM VDD CONVST A CONVST B CONVST C AVCC DVCC REF CLK OSC ...