LF412 Dual JFET Op-Amp IC

The LF412 from Texas Instruments is a precision dual JFET-input operational amplifier designed for low offset voltage, low drift, and high input impedance applications. Its JFET input stage provides extremely low input bias current, making it ideal for high-impedance signal sources and sensitive analog circuits. With a gain bandwidth of 3MHz and a fast slew rate of 15V/µs, the LF412 delivers improved performance over standard bipolar op-amps in precision amplification, active filtering, instrumentation, and audio signal processing applications.

Features

Dual JFET input operational amplifier

High input impedance for sensitive analog signals

Very low input bias current (picoampere range)

Low input offset voltage

Low offset voltage drift for temperature stability

High slew rate of approximately 15V/µs

Gain bandwidth product of 3MHz

Low noise operation

Wide supply voltage range

Suitable for precision analog circuits

Better performance than standard 741 op-amps

Available in DIP-8 and SOIC-8 packages

Ideal for instrumentation and audio applications

Unity-gain stable operation

Specifications

- Model: LF412

- Device Type: Dual JFET Input Operational Amplifier

- Number of Channels: 2

- Recommended Supply Voltage: ±15V

- Operating Supply Voltage Range: ±5V to ±18V

- Gain Bandwidth Product: Approximately 3MHz

- Slew Rate: Approximately 15V/µs

- Input Offset Voltage (Typical): 1mV

- Input Offset Voltage Drift (Typical): 10µV/°C

- Input Bias Current (Typical): 50pA

- Input Technology: JFET

- Package Type: 8-Pin DIP / 8-Pin SOIC

- Application Type: Precision Analog Amplification

Links

- LF412 Dual JFET Input Operational Amplifier IC Datasheet