Digitally programmable instrumentation amplifier achieves gain of 1,000

Norwood, Mass. — Analog Devices Inc. has introduced the AD8253, a 10-MHz digitally programmable instrumentation amplifier that achieves gains of 1,000. The instrumentation amplifier also features a fast settling time, dc precision and a small 10-lead MSOP package.

Designed for data acquisition systems, automatic test equipment and biomedical instruments that require fast, accurate measurement with robust signal conditioning over large voltage ranges, the AD8253 provides a large gain setting that allows small signals, such as those from sensors, to be amplified to drive an ADC.

The AD8253 is digitally programmable with gain settings of 1, 10, 100 and 1000, letting users adjust gain even after the devices are designed into the system. Operating from ±5 V to ±15 V, it achieves a 10-MHz bandwidth and 0.5-microsecond settling time to 0.01 percent. The input offset drift of 1.2 microvolt/degree C and gain drift of 10 ppm/degree C is said to be the lowest of any programmable gain instrumentation amp.

Manufactured using Analog Devices' iCMOS (industrial CMOS) process technology, the AD8253 draws 4 mA of quiescent current and is specified over the -40°C to +85°C temperature range.

Pricing: The AD8253 is priced at $4.95 per unit in quantities of 1,000.
Availability: The AD8253 is sampling now in a 10-lead MSOP package with production
quantities available in October 2007.
Product information: AD8253

Analog Devices, Inc. , 1-800-262 5643 or 781-937-1428,

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