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Op amps roll with e-Trim precision, low noise

Posted: 07 Aug 2007 ?? ?Print Version ?Bookmark and Share

Keywords:e-Trim precision op amp? single-supply operational amplifier?

Texas Instruments Inc. has introduced a single-supply operational amplifier with e-Trim precision and very low noise. The OPA376 combines a low offset voltage of 25?A (maximum) and a wide bandwidth of 5.5MHz in micro-packages.In addition, the OPA376 op amp offers low noise density of 7.5nV/square root Hz and a quiescent current of 950?A (maximum), which enable this device to meet requirements for both AC and DC specifications for filtering, DAQ and single-supply processing systems. Applications include sensor and signal conditioning, wireless communications, medical instrumentation, handheld test equipment and consumer audio equipment.

The OPA376 device is also said to offer very low noise in relation to the quiescent current of less than 1mA and excellent temperature drift characteristics of 1?V/C (maximum). Dual and quad versions will be available in Q3 2007. All versions are specified for operation over the temperature range of -40C to 125C and provide identical specifications.

Companion products of the OPA376 for portable medical and industrial applications include the OPA333, OPA340, ADS123x, MSP430 and REF50xx. For consumer audio applications, OPA376 complements the OPA363/4, DAC557x and audio codec products.

Suggested resale pricing for the OPA376 is 65 cents in quantities of 1,000. The dual version, OPA2376, will be priced at $1 and the quad version, OPA4376, will be priced at $1.40, both in quantities of 1,000.

Availability: The OPA376, offered in the micro-size SC70, SO-8 and SOT23-5, is available now. The dual-version OPA2376, in the MSOP-8 and SO-8 packages, and the OPA4376 quad version housed in TSSOP-14 package, will be available by end of Q3.

- Gina Roos

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