Overview
The LF351D is a high-speed JFET input single operational amplifier produced by STMicroelectronics. It is part of a monolithic integrated circuit that incorporates well-matched, high-voltage JFET and bipolar transistors. This amplifier is known for its high slew rates, low input bias and offset currents, and a low offset voltage temperature coefficient. It is suitable for a wide range of applications, including industrial, automotive, and consumer electronics.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 6 | - | 32 | V |
| Operating Temperature Range | 0 | - | 70 | °C |
| Input Offset Voltage (Vio) | 3 | 10 | 13 | mV |
| Input Offset Current (Iio) | 5 | 100 | 400 | pA |
| Input Bias Current (Iib) | 20 | 200 | 200 | pA |
| Slew Rate (SR) | 12 | 16 | - | V/μs |
| Gain Bandwidth Product (GBP) | 2.5 | 4 | - | MHz |
| Common Mode Rejection Ratio (CMRR) | 70 | 80 | 86 | dB |
| Supply Current (ICC) | 1.4 | 3.4 | 3.4 | mA |
| Output Short-Circuit Current | 10 | - | 40 | mA |
| Package | - | - | SO-8, DIP8 | - |
Key Features
- High input impedance JFET input stage
- Internal frequency compensation
- High slew rate of 16 V/μs (typical)
- Internally adjustable input offset voltage
- 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
Applications
The LF351D operational amplifier is versatile and can be used in various applications, including:
- Industrial automation and control systems
- Automotive electronics
- Consumer electronics such as audio equipment and medical devices
- Analog signal processing and amplification
- High-speed data acquisition systems
Q & A
- What is the typical slew rate of the LF351D operational amplifier?
The typical slew rate of the LF351D is 16 V/μs. - What are the operating temperature ranges for the LF351D?
The operating temperature range for the LF351D is 0°C to 70°C. - What is the input offset voltage of the LF351D?
The input offset voltage (Vio) of the LF351D is typically 10 mV, with a range of 3 mV to 13 mV. - Does the LF351D have output short-circuit protection?
Yes, the LF351D has output short-circuit protection. - What are the common package types for the LF351D?
The LF351D is available in SO-8 and DIP8 packages. - What is the gain bandwidth product (GBP) of the LF351D?
The gain bandwidth product (GBP) of the LF351D is typically 4 MHz, with a minimum of 2.5 MHz. - Is the LF351D latch up free?
Yes, the LF351D is latch up free. - What is the common mode rejection ratio (CMRR) of the LF351D?
The common mode rejection ratio (CMRR) of the LF351D is typically 80 dB, with a minimum of 70 dB. - What is the supply current of the LF351D?
The supply current (ICC) of the LF351D is typically 3.4 mA, with a minimum of 1.4 mA. - Can the LF351D handle high differential input voltages?
Yes, the LF351D can handle differential input voltages up to ±30 V.
