LT2079

Micropower, Dual and Quad, Single Supply, Precision Op Amps

DESCRIPTION

The LT ®2078 is a micropower dual op amp in 8-pin small outline, standard surface mount package, and is a micropower quad op amp offered in the standard 14-pin surface mount package. Both devices are optimized for single supply operation at 5V. ±15V specifications are also provided.

Micropower performance of competing devices is achieved at the expense of seriously degrading precision, noise, speed and output drive specifications. The design effort of the LT2078/LT2079 was concentrated on reducing supply current without sacrificing other parameters. The offset voltage achieved is the lowest on any dual or quad nonchopper stabilized op amp––micropower or other wise. Offset current, voltage and current noise, slew rate and gain bandwidth product are all two to ten times better than on previous micropower op amps.

FEATURES

■ Supply Current per Amplifier: 50µA Max

■ Offset Voltage: 70µV Max

■ Offset Current: 250pA Max

■ Voltage Noise: 0.6µVP-P, 0.1Hz to 10Hz

■ Current Noise: 3pAP-P, 0.1Hz to 10Hz

■ Offset Voltage Drift: 0.4µV/°C

■ Gain Bandwidth Product: 200kHz

■ Slew Rate: 0.07V/µs

■ Single Supply Operation

   Input Voltage Range Includes Ground

   Output Swings to Ground while Sinking Current

   No Pull-Down Resistors Needed

■ Output Sources and Sinks 5mA Load Current

■ SO Package with Standard Pinout

APPLICATIONS

■ Battery or Solar-Powered Systems

   Portable Instrumentation

   Remote Sensor Amplifier

   Satellite Circuitry

■ Micropower Sample-and-Hold

■ Thermocouple Amplifier

■ Micropower Filters