Overview
The LF351N from STMicroelectronics is a high-speed JFET input single operational amplifier. It is part of a family of operational amplifiers that incorporate well-matched, high-voltage JFET and bipolar transistors in a monolithic integrated circuit. This device is known for its high slew rates, low input bias and offset currents, and a low offset voltage temperature coefficient. The LF351N is suitable for a wide range of applications requiring high performance and reliability.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 6 | - | 32 | V |
| Input Offset Voltage (Vio) | 3 | 10 | 13 | mV |
| Input Offset Current (Iio) | 5 | 100 | 400 | pA |
| Input Bias Current (Iib) | 20 | 200 | 400 | pA |
| Large Signal Voltage Gain (Avd) | 50 | - | 200 | V/mV |
| Supply Voltage Rejection Ratio (SVR) | 80 | - | 86 | dB |
| Supply Current (ICC) | 1.4 | 3.4 | 3.4 | mA |
| Slew Rate (SR) | 12 | 16 | - | V/µs |
| Operating Temperature Range | 0 | - | 70 | °C |
Key Features
- Internally adjustable input offset voltage
- High input impedance JFET input stage
- High slew rate of 16 V/µs (typical)
- Wide common-mode (up to VCC +) and differential voltage range
- Low power consumption
- Output short-circuit protection
- Latch up free operation
- Low input bias and offset current
- Internal frequency compensation
Applications
The LF351N is versatile and can be used in various applications, including:
- Industrial control systems
- Automotive electronics
- Consumer electronics
- Audio and video equipment
- Medical devices
- Measurement and instrumentation
Q & A
- What is the supply voltage range for the LF351N?
The supply voltage range for the LF351N is from 6 to 32 volts.
- What is the typical slew rate of the LF351N?
The typical slew rate of the LF351N is 16 V/µs.
- Does the LF351N have output short-circuit protection?
Yes, the LF351N has output short-circuit protection.
- What is the operating temperature range for the LF351N?
The operating temperature range for the LF351N is from 0 to 70°C.
- Is the LF351N latch up free?
Yes, the LF351N is latch up free.
- What is the input offset voltage range for the LF351N?
The input offset voltage range for the LF351N is from 3 to 13 mV.
- What is the common-mode rejection ratio (CMRR) of the LF351N?
The CMRR of the LF351N is typically 70 dB.
- Does the LF351N have internal frequency compensation?
Yes, the LF351N has internal frequency compensation.
- What are the package options for the LF351N?
The LF351N is available in DIP8 and SO-8 packages.
- Is the LF351N RoHS compliant?
Yes, the LF351N is RoHS compliant and comes in ECOPACK® packages.
