
LF412 Dual JFET Input Operational Amplifier IC
QAR 4.00/ unit
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Description
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 |
- Category
- Chips and ICs