LF351N

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LF351N

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IC OPAMP JFET 1 CIRCUIT 8DIP

  • Nhà sản xuấtSTMicroelectronics

  • Ông. Phần #LF351N

  • Bảng dữ liệu LF351N DataSheet

  • Có sẵn2080

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Thông số kỹ thuật

thuộc tính Giá trị
PartStatus Obsolete
AmplifierType J-FET
NumberofCircuits 1
SlewRate 16V/µs
GainBandwidthProduct 4 MHz
Current-InputBias 20 pA
Voltage-InputOffset 3 mV
Current-Supply 1.4mA
Current-Output/Channel 40 mA
Voltage-SupplySpan(Min) 6 V
Voltage-SupplySpan(Max) 32 V
OperatingTemperature 0°C ~ 70°C
MountingType Through Hole
Package/Case 8-DIP (0.300", 7.62mm)
SupplierDevicePackage 8-DIP
BaseProductNumber LF351

Tổng quan

Description

The LF351N is a low-noise, high-speed operational amplifier designed for a variety of applications in signal processing and amplification. It features a JFET input stage, providing high input impedance and low bias current, making it ideal for interfacing with high-impedance sources. With a gain-bandwidth product of approximately 10 MHz and a slew rate of 13 V/µs, the LF351N is suitable for audio, video, and other precision applications.
Key specifications include a supply voltage range of ±3V to ±15V, a low total harmonic distortion (THD), and excellent common-mode rejection ratio (CMRR). The LF351N is often used in active filters, oscillators, and integrators due to its stability and linearity. Its dual-in-line package (DIP) facilitates easy integration into various circuits.
Overall, the LF351N is valued for its versatility, reliability, and performance in both commercial and industrial electronics.

Equivalent

The LF351N operational amplifier can be replaced by several equivalent products, including the TL071, TL081, and LM351. These alternatives have similar specifications, such as low noise and JFET input characteristics. Always verify the specific requirements and parameters like bandwidth, supply voltage, and input/output characteristics when selecting a substitute.

Features

The LF351N is a low-noise, high-performance operational amplifier designed for a wide range of applications. Key features include:
1. High Slew Rate: Approximately 13 V/μs, enabling fast signal processing.
2. Low Noise: Offers low input noise voltage, making it suitable for sensitive audio and instrumentation applications.
3. Wide Bandwidth: Gain-bandwidth product of around 4 MHz, supporting high-frequency applications.
4. Single Supply Operation: Can operate with a single power supply voltage, enhancing design flexibility.
5. Input Common-Mode Voltage Range: Typically extends from the negative supply to a few volts below the positive supply, accommodating various signal levels.
6. Low Input Offset Voltage: Typically around 2 mV, improving accuracy in precision applications.
7. High Input Impedance: Reduces loading effects on preceding stages and enhances overall circuit performance.
8. Temperature Stability: Designed for stable performance across a wide temperature range.
These features make the LF351N ideal for applications like audio processing, data acquisition, and active filtering.

Pinout

The LF351N is a JFET-input operational amplifier with a total of 8 pins. Here’s a concise breakdown of the pin configuration and functions:
1. Pin 1 (Offset Null): Used for offset adjustment.
2. Pin 2 (Inverting Input): The inverting input of the op-amp.
3. Pin 3 (Non-Inverting Input): The non-inverting input of the op-amp.
4. Pin 4 (V- or Negative Supply): Connects to the negative power supply voltage.
5. Pin 5 (Offset Null): Also used for offset adjustment (connected to pin 1).
6. Pin 6 (Output): The output terminal of the op-amp.
7. Pin 7 (V+ or Positive Supply): Connects to the positive power supply voltage.
8. Pin 8 (NC): No connection; typically not used in circuits.
The LF351N is commonly used in various analog signal processing applications due to its low noise and high input impedance characteristics.

Manufacturer

The LF351N is manufactured by Texas Instruments (TI), a prominent American technology company. Founded in 1930, Texas Instruments is known for designing and producing semiconductors and various integrated circuits, which are essential components in many electronic devices. The company operates in multiple sectors, including electronics and computing, and is particularly recognized for its innovations in analog and embedded processing technology.
The LF351N is a precision, high-speed operational amplifier that is widely used in analog signal processing applications. Texas Instruments has a significant presence in the electronics industry, providing solutions for a variety of markets, including automotive, communications, industrial, and consumer electronics. The company is committed to research and development, ensuring continuous innovation and advancements in technology. Overall, Texas Instruments is a key player in the semiconductor industry, contributing to the evolution of electronic devices worldwide.

Application

The LF351N is a low-noise operational amplifier commonly used in various applications, including audio signal processing, active filters, and instrumentation. Its high gain bandwidth makes it suitable for amplifying low-level signals in sensor applications. Additionally, it is used in signal conditioning, data acquisition systems, and feedback control systems. The LF351N is ideal for applications requiring high input impedance and low distortion, making it popular in medical devices, industrial automation, and telecommunications. Overall, its versatility allows for use in both consumer electronics and professional audio equipment.

Package

The LF351N is typically packaged in a 8-pin dual in-line package (DIP) format. This configuration allows for easy insertion into circuit boards and is commonly used in various electronic applications.

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