LF412 Dual JFET Input Operational Amplifier 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.

• 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

• 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

• LF412 Dual JFET Input Operational Amplifier IC Datasheet