LF355N IC DIP-8 Operational Amplifier
The LF355N is a high-performance operational amplifier featuring a monolithic J-FET input. This op-amp is designed for use in circuits requiring low input bias currents and low offset voltages. It integrates well-matched high-voltage J-FETs and standard bipolar transistors, resulting in reliable performance even in demanding conditions. The LF355N is noted for its versatility, delivering high-speed performance and precision in applications such as audio equipment, measurement devices, and signal processing systems.
This op-amp is capable of achieving a wide bandwidth with a high slew rate. It supports fast response times and low voltage/current noise, making it suitable for precision applications. Additionally, the LF355N offers an adjustable offset voltage without compromising the common-mode rejection ratio or drift. Its design ensures that the amplifier can handle differential input voltages up to ±40V, making it adaptable for various power supply configurations.
The LF355N also stands out for its high input impedance and low 1/f noise level, making it ideal for use in sensitive instrumentation and signal processing tasks. The device operates efficiently within a wide range of temperatures, from 0°C to +70°C, and is highly reliable for long-term use in precision analog circuits.
Features:
- Low input bias and offset currents.
- Low input offset voltage and drift.
- Adjustable offset voltage.
- High slew rate (up to 50V/µs).
- Wide bandwidth (up to 20 MHz).
- Low voltage and current noise.
- Low 1/f noise level.
- High input impedance.
- Differential input voltage capability up to ±40V.
- High common-mode rejection ratio (CMRR).
Specifications:
| Parameter | Value |
|---|---|
| Input Offset Voltage: | 3 to 10 mV |
| Input Offset Current: | 3 to 50 pA |
| Input Bias Current: | 20 to 200 pA |
| Large Signal Voltage Gain: | 25 to 200 V/mV |
| Supply Voltage Rejection Ratio: | 80 to 100 dB |
| Supply Current (no load): | 2 to 10 mA |
| Input Common Mode Voltage Range: | ±10 to ±15.1 V |
| Common Mode Rejection Ratio: | 80 to 100 dB |
| Output Voltage Swing (RL = 10kΩ): | ±12 V |
| Gain Bandwidth Product (GBP): | 2.5 to 20 MHz |
| Slew Rate (SR): | 5 to 50 V/µs |
| Input Resistance: | 10^12 Ω |
| Input Capacitance: | 3 pF |
| Equivalent Input Noise Voltage: | 12 to 25 nV/√Hz |
| Settling Time (10V step): | 1.5 to 4 µs |
Applications:
- Precision High-Speed Integrators.
- Fast D/A and A/D Converters.
- High Impedance Buffers.
- Wideband, Low Noise, Low Drift Amplifiers.
- Logarithmic Amplifiers.
- Photocell Amplifiers
- Sample and Hold Circuits.
Package Contents:
- 1x LF355N IC DIP-8 Operational Amplifier



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