OPA343

MicroAmplifierTM 系列单电源轨至轨运算放大器

series rail-to-rail CMOS operational amplifiers are designed for low-cost, miniature applications. They are optimized for low-voltage, single-supply operation. Rail-to-rail input/output and high-speed operation make them ideal for driving sampling Analog-to-Digital A/D converters. They are also well suited for general-purpose and audio applications as well as providing I/V conversion at the output of Digital-to-Analog D/A converters. Single, dual, and quad versions have identical specifications for design flexibility.

The OPA343 series operates on a single supply as low as 2.5V, and input common-mode voltage range extends 500mV beyond the supply rails. Output voltage swings to within 1mV of the supply rails with a 100k load. They offer excellent dynamic response BW = 5.5MHz, SR = 6V/us, yet quiescent current is only 850uA. Dual and quad designs feature completely independent circuitry for lowest crosstalk and freedom from interaction.

The single OPA343 packages are the tiny SOT-23-5 surface mount and SO-8 surface mount. The dual OPA2343 comes in the miniature MSOP-8 surface mount and SO-8 surface mount. The quad OPA4343 packages are the space-saving SSOP-16 surface mount, SO-14 surface mount, and TSSOP-14 surface mount. All are specified from \x9640°C to +85°C and operate from \x9655°C to +125°C. A SPICE macromodel is available for design analysis.

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RAIL-TO-RAIL INPUT/OUTPUT

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MICRO SIZE PACKAGES

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WIDE BANDWIDTH: 5.5MHz

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HIGH SLEW RATE: 6V/us

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LOW THD+NOISE: 0.0007% f = 1kHz

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LOW QUIESCENT CURRENT: 850uA/chan

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SINGLE, DUAL, AND QUAD VERSIONS

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APPLICA ONS

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DRIVING A/D CONVERTERS

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PCMCIA CARDS

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DATA ACQUISITION

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AUDIO PROCESSING

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COMMUNICATIONS

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ACTIVE FILTERS

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TEST EQUIPMENT