DESCRIPTIONThe OPA344 and OPA345 series rail-to-rail CMOSoperational amplifiers are designed for precision, lowpower,miniature applications. The OPA344 is unitygain stable, while the OPA345 is optimized for gainsgreater than or equal to five, and has a gain-bandwidthproduct of 3MHz.The OPA344 and OPA345 are optimized to operate ona single supply from 2.5V and up to 5.5V with an inputcommon-mode voltage range that extends 300mVbeyond the supplies. Quiescent current is only250mA (max).Rail-to-rail input and output make them ideal for drivingsampling analog-to-digital converters. They are also wellsuited for general purpose and audio applicaitons andproviding I/V conversion at the output of D/A converters.Single, dual and quad versions have identical specs fordesign flexibility.A variety of packages are available. All are specified for operation from –40ºC to 85ºC. A SPICE macromodel is available for design analysis.
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