Overview
The LF353N is a dual-channel JFET-input operational amplifier manufactured by onsemi. It is designed for high-speed, low-power applications and is widely used in various analog circuits. The LF353N is known for its high input impedance, low input bias current, and fast slew rate, making it suitable for applications requiring precision and speed. Its compatibility with standard LM1558 pinouts allows for easy upgrades in existing designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | ±15 | V | Max |
| Output Current | 20 | mA | Max |
| Input Bias Current | 50 | pA | Typical |
| Slew Rate | 13 | V/μs | Typical |
| Gain Bandwidth Product | 4 | MHz | Typical |
| Input Offset Voltage | 5 | mV | Max |
| Operating Temperature Range | 0 to 70 | °C | |
| Package | DIP-8 |
Key Features
- High input impedance due to JFET input stage.
- Low input bias and offset currents.
- Fast slew rate of 13 V/μs for high-speed applications.
- Wide gain bandwidth product of 4 MHz.
- Compatible with standard LM1558 pinouts for easy design upgrades.
Applications
The LF353N is commonly used in high-speed integrators, fast digital-to-analog converters, sample-and-hold circuits, and other applications requiring low input offset voltage, low input bias current, high input impedance, and fast slew rate. It is also suitable for audio amplifiers, active filters, and precision instrumentation.
Q & A
1. What is the typical supply voltage for the LF353N?
The typical supply voltage for the LF353N is ±15V.
2. What is the maximum output current of the LF353N?
The maximum output current is 20mA.
3. What is the input bias current of the LF353N?
The input bias current is typically 50pA.
4. What is the slew rate of the LF353N?
The slew rate is typically 13V/μs.
5. What is the gain bandwidth product of the LF353N?
The gain bandwidth product is 4MHz.
6. What is the input offset voltage of the LF353N?
The input offset voltage is typically 5mV.
7. What is the operating temperature range of the LF353N?
The operating temperature range is 0°C to 70°C.
8. What package does the LF353N come in?
The LF353N comes in a DIP-8 package.
9. Can the LF353N be used in audio applications?
Yes, the LF353N is suitable for audio amplifiers and other audio-related circuits.
10. Is the LF353N compatible with LM1558 designs?
Yes, the LF353N is pin-compatible with the LM1558, allowing for easy upgrades in existing designs.
