精密运算放大器RS8538

GENERAL DESCRIPTION

The RS8538, RS8539 series of CMOS operational amplifiers use auto-zero techniques to simultaneously provide very low offset voltage (5μV max) and near-zero drift over time and temperature. This family of amplifiers has ultralow noise, offset and power. 

This miniature, high-precision operational amplifiers offset high input impedance and rail-to-rail input and rail-to-rail output swing. With high gain-bandwidth product of 1.6MHz and slew rate of 0.7V/μs.

Single or dual supplies as low as +2.7V(±1.35V) and up to +5.5V (±2.75V) may be used.

The RS8538/RS8539 are specified for the extended industrial and automotive temperature range (-40°C to 125°C). The RS8538 single amplifier is available in 8-lead MSOP8 and 8-lead SOIC packages, The RS8539 dual amplifier is available in 8-lead SOIC and 8-lead TSSOP narrow surface mount packages.

FEATURES

Low Offset Voltage: 1uV

Input Offset Drift: 0.005μV/°C

High Gain Bandwidth Product: 1.6MHz

Rail-to-Rail Input and Output

High Gain, CMRR, PSRR:130dB

High Slew Rate: 0.7V/μs

Low Noise: 1.3uVp-p (0.01~10Hz)

Low Power Consumption: 180μA /op amp

Overload Recovery Time:2us

Low Supply Voltage: +2.5 V to +5.5 V

No External Capacitors Required

Extended Temperature: -40°C to +125°C

APPLICATIONS

Temperature Sensors

Medical/Industrial Instrumentation

Pressure Sensors

Battery-Powered Instrumentation

Active Filtering

Weight Scale Sensor

Strain Gage Amplifiers

Power Converter/Inverter