Smaller outline for speedy accurate ADCs

A new family of serial ADCs brings ultracompact packaging to the high-speed, high-accuracy world of medical instrumentation, data acquisition equipment, optical comms and automotive systems.

A new family of ten serial ADCs brings ultracompact 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, multichannel applications are following the general electronics industry trend toward smaller, more optimised designs.

Featuring a 3Msample/s throughput rate, very low power dissipation (8mW) and 1LSB integral nonlinearity - 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.

"The AD727x serial ADC family is a good example of Analog Devices' dedication to delivering the industry's highest performance data conversion technology within any given critical design constraint", said Mike Britchfield, Product Line Director for Precision Convertors at Analog Devices.

"The new AD727X family allows customers to achieve high data throughput, low power consumption and minimal footprint without compromising either throughput or accuracy".

Available in 12, 10 and 8bit 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 to 3.6V power supply and contains a low-noise, wide-bandwidth track/hold amplifier.

The conversion process and data acquisition are controlled using chip select and the serial clock, allowing the devices to interface with microprocessors or digital signal processors.

The AD727x ADCs experience no pipeline delays and employ an advanced design technique to achieve very low power dissipation of less than 8mW at throughout rates up to 3Msample/s.

The AD727x family is sampling now and will be in full production in March 2005.

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