LF347DR

Quad, 36-V, 3-MHz, high slew rate (13-V/µs), In to V , JFET-input operational amplifier

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1 Features

• Low Input Bias Current: 50 pA Typical

• Low Input Noise Current: 0.01 pA/√Hz Typical

• Low Total Harmonic Distortion

• Low Supply Current: 8 mA Typical

• Gain Bandwidth: 3 MHz Typical

• High Slew Rate: 13 V/ms Typical

2 Applications

• Motor Integrated Systems: UPS

• Drives and Control Solutions: AC Inverters and VF Drives

• Renewables: Solar Inverters

• Pro Audio Mixers

• Oscilloscopes

3 Description

The LF347 and LF347B devices are low-cost, highspeed, JFET-input operational amplifiers. They require low supply current yet maintain a large gainbandwidth product and a fast slew rate. In addition, their matched high-voltage JFET inputs provide very low input bias and offset current.

The LF347 and LF347B can be used in applications such as high-speed integrators, digital-to-analog converters, sample-and-hold circuits, and many other circuits.

The LF347 and LF347B devices are characterized for operation from 0°C to 70°C.