AD7656BSTZ-1-RL Datasheet

Analog to Digital Converters - ADC


The AD7656BSTZ-1-RL are reduced decoupling pinand software-compatible versions ofAD7656BSTZ-1-RL. The AD7656BSTZ-1-RL devices contain six 16-/14-/12-bit, fast, low powersuccessive approximation ADCs in a package designed on the iCMOS® process (industrial CMOS). iCMOS is a process combining high voltage silicon withsubmicronCMOS and complementary bipolar technologies. It enables the development of a wide range of high performance analog ICscapable of 33 V operation in a footprint that no previous generation of high voltage parts could achieve. Unlike analog ICs using conventional CMOS processes, iCMOS components can accept bipolar input signals while providing increased performance, which dramatically reduces power consumption and package size. The AD7656BSTZ-1-RL feature throughput rates of up to 250 kSPS. The parts contain low noise, wide bandwidth track-and-hold amplifiers that can handle input frequencies up to 4.5 MHz. Features •Pin and software compatible with AD7656/AD7657/AD7658 •featuring reduced decoupling requirements•6independent ADCs•True bipolar analog inputs•Pin-/software-selectable ranges: ±10 V, ±5 V•Fast throughput rate: 250 kSPS •iCMOS process technology•Lowpower•140mW 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 speedparallel, serial, and daisy-chain interface modes•High speed serial interface•SPI/QSPI™/MICROWIRE™/DSP compatible•Standby mode:315µW maximum•64-lead LQFP Applications •Power line monitoringandmeasuringsystems•Instrumentation and control systems•Multiaxis positioning systems


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