OPA333AIDBVR 1.8V, microPOWER CMOS OPERATIONAL AMPLIFIERS ic pc board

1.8V, microPOWER CMOS OPERATIONAL AMPLIFIERS Zer-Drift Series

DESCRIPTION

The OPA333 series of CMOS operational amplifiers uses a proprietary auto-calibration technique to simultaneously provide very low offset voltage (10µV max) and near-zero drift over time and temperature. These miniature, high-precision, low quiescent current amplifiers offer high-impedance inputs that have a common-mode range 100mV beyond the rails and rail-to-rail output that swings within 50mV of the rails. Single or dual supplies as low as +1.8V (±0.9V) and up to +5.5V (±2.75V) may be used. They are optimized for low-voltage, single-supply operation.

The OPA333 family offers excellent CMRR without the crossover associated with traditional complementary input stages. This design results in superior performance for driving analog-to-digital converters (ADCs) without degradation of differential linearity.

The OPA333 (single version) is available in the SC70-5, SOT23-5, and SO-8 packages. The OPA2333 (dual version) is offered in DFN-8 (3mm x 3mm, available Q2 ’06) and SO-8 packages. All versions are specified for operation from −40°C to +125°C.

FEATURES

LOW OFFSET VOLTAGE: 10µV (max)

ZERO DRIFT: 0.05µV/°C (max)

0.01Hz to 10Hz NOISE: 1.1µVPP

QUIESCENT CURRENT: 17µA

SINGLE-SUPPLY OPERATION

SUPPLY VOLTAGE: 1.8V to 5.5V

RAIL-TO-RAIL INPUT/OUTPUT

microSIZE PACKAGES: SC70 and SOT23

APPLICATIONS

TRANSDUCER APPLICATIONS TEMPERATURE MEASUREMENTS ELECTRONIC SCALES MEDICAL INSTRUMENTATION BATTERY-POWERED INSTRUMENTS HANDHELD TEST EQUIPMENT

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