Product category:
Analogue and Mixed Signal ICs
News Release from: Analog Devices | Subject: AD7655
Edited by the Electronicstalk Editorial
Team on 05 February 2003
Convertor accelerates four channels of
acquisition
The AD7655 is the newest member of Analog Devices' family of PulSAR high-performance successive approximation register (SAR) ADCs.
The AD7655 is the newest member of Analog Devices' family of PulSAR high-performance successive approximation register (SAR) ADCs The low priced AD7655 combines four 16bit channels of the industry's fastest conversion into a low-profile 48-lead LQFP or LFCSP package
This article was originally published on Electronicstalk on 2 Jul 2008 at 8.00am (UK)
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A/D convertor measures smaller signals faster
Sigma-delta ADC achieves greater than true 16bit noise-free resolution up to 2.4kHz across all input voltages from 40mV to 5V.
For use in multichannel and multiplexed applications that demand accuracy, small package size, and low cost, it guarantees a combination of specifications that, until now, was unavailable at this price: four input channels, 1Msample/s sampling rate, 86dB SNR at 100kHz, single-supply operation, and a 0-5V analogue input range.
Two on-chip low-noise, wideband track-and-hold amplifiers, each preceded by a two-channel multiplexer, provide simultaneous sampling capability.
With no pipeline delay, this PulSAR ADC is ideal for applications using multi-channel data acquisition, and zero-latency control loops in industrial process control, test and measurement and motor control systems.
Power consumption scales with throughput rate.
The AD7655 operates within the -40 to +85C temperature range.
It is sampling now in 48-lead LQFP and LFCSP packages and is priced at $7.99 per unit in 1000-piece quantities.
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