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TI zero-drift op-amps ideal for power-sensitive apps

Posted: 20 May 2004 ?? ?Print Version ?Bookmark and Share

Keywords:op amp? opa734? opa735? zero drift?

Texas Instruments Inc. has announced a series of 12V, zero-drift op-amps from the company's Burr-Brown product line which are ideal for high-precision, power-sensitive applications requiring stability overtime and temperature.

Targeted applications include temperature measurement, medical instrumentation, precision strain gages, handheld test equipment, electronic scales, automotive systems and battery-powered instruments. "The OPA734 and OPA735 zero-drift amplifiers feature the industry's lowest supply current in the higher voltage power supply range, enabling customers to achieve high-precision designs in the low-power, high-voltage market," said Tadija Janjic, strategic marketing engineer of TI's high-performance amplifier products.

Additional features include low quiescent current (750?A), low bias current (200pA), 1.6MHz bandwidth and rail-to-rail output swing within 50mV of the rails. The OPA734 family includes a shutdown mode allowing the device to be switched from normal operation to a standby current that is less than 9?A and the output placed in a high-impedance state. The OPA734 and OPA735 operate on single or bipolar supplies from 2.7V to 12V (1.35V to 6V). All versions are specified from -40C to 125C.

The OPA734 (single version with shutdown) comes in a SOT23-6 and SO-8. The OPA735 (single without shutdown) is packaged in a SOT23-5 and SO-8. The OPA2734 (dual with shutdown) comes in an MSOP-10 and SO-8. The OPA2735 (dual without shutdown) is available in an MSOP-8 and SO-8. The OPA734 and OPA735 are priced from $1.25 in 1,000-piece quantities; the OPA2734 and OPA2735 are priced from $2.00 in 1,000 piece quantities.

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