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Serial A/D Converters – in ultra-compact packaging

Analog Devices introduced 10 serial analogue-to-digital converters (ADCs) that bring ultra-compact packaging technology to the high-speed, high-accuracy world of medical instrumentation, data acquisition equipment, optical communications, and automotive systems.
These and other high-bandwidth, multi-channel applications are following the general electronics industry trend toward smaller, more optimised designs. Featuring a 3 MSPS throughput rate, very low power dissipation (8 mW) and 1 LSB INL ” all in a 3 x 3mm thin small-outline-transistor (TSOT) package ” the AD727x family is twice as accurate and 40% smaller than competing devices, while enabling faster loop settling time. Available in 12-bit, 10-bit and 8-bit resolutions, the AD727x serial ADC family is pin-compatible with Analog Devices' existing line of SOT-23 and MSOP packaged AD747x ADCs, allowing engineers to easily upgrade their designs to achieve higher throughput rates. The AD727x family operates from a single 2.35-V to 3.6-V power supply and contains a low-noise, wide-bandwidth track/hold amplifier. The ADCs experience no pipeline delays and use less than 8 mW at throughout rates up to 3 MSPS. The conversion process and data acquisition are controlled using chip select (CS) and the serial clock, allowing the devices to interface with microprocessors or digital signal processors (DSPs). Analog Devices , 92182 Antony Cedex, France. www.analog.com

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