이미지는 참조용입니다.

LM318N

Name: LM318N
Rating: 4.8 (15 reviews)

+BOM

IC OPAMP GP 1 CIRCUIT 8DIP

제조업체텍사스 인스트루먼트(주)
제조업체 부품 #LM318N
재고7362

365 1일 품질 보증

7*24 영업 시간 서비스 보증

90-판매 후 1일 보증

정품 보증

사양

속성	가치
Part Status	Obsolete
Base Product Number	LM318
Amplifier Type	Standard (General Purpose)
Number of Circuits	1
Slew Rate	70V/µs
Gain Bandwidth Product	15 MHz
Current - Input Bias	150 nA
Voltage - Input Offset	4 mV
Current - Supply	5mA
Voltage - Supply Span (Min)	10 V
Voltage - Supply Span (Max)	40 V
Operating Temperature	0°C ~ 70°C
Mounting Type	Through Hole
Package	8-DIP (0.300", 7.62mm)
Supplier Device Package	8-PDIP
Packaging	Tube
-3db Bandwidth	15 MHz

개요

Description

The LM318N is a high-speed operational amplifier known for its fast slew rate and wide bandwidth, making it suitable for a variety of applications that require quick response times and high precision. It operates with a slew rate of around 70 V/µs and a bandwidth of up to 15 MHz. This op-amp is ideal for use in applications like analog signal processing, active filters, and audio amplification.
Key features of the LM318N include its ability to function with a wide range of supply voltages, typically between ±5V to ±20V, and its low input bias and offset currents, which enhance its performance in precision applications. The device is available in an 8-pin DIP package, making it easy to integrate into different circuit designs.
In use, the LM318N requires proper compensation for stability, particularly when operating at high frequencies. It also benefits from adequate power supply decoupling to minimize noise and interference. Overall, the LM318N is valued for its speed and versatility in electronic designs.

Equivalent

The LM318N is a high-speed operational amplifier. Equivalent products include the LM301, LM741, and TL081, which are general-purpose op-amps with varying specifications. For high-speed applications, consider the LM6171, AD797, or the OP27, which offer similar performance in terms of bandwidth and slew rate. However, specific pin compatibility and exact performance characteristics may vary, so it is essential to verify the specifications for your application.

Features

The LM318N is a high-speed operational amplifier known for its fast slew rate and wide bandwidth. Key features include:
1. High Slew Rate: The LM318N offers a slew rate of 50 V/μs, making it suitable for applications requiring rapid signal changes.
2. Wide Bandwidth: It provides a wide gain bandwidth product of 15 MHz, favoring high-frequency applications.
3. Low Input Offset Voltage: The low input offset voltage enhances precision in analog signal processing.
4. Bipolar Technology: This feature contributes to its high-speed performance and low noise.
5. High Input Impedance: Ensures minimal loading on preceding stages.
6. Output Short-Circuit Protection: Safeguards the device against damage from accidental short circuits.
7. Wide Operating Voltage Range: Compatible with a supply voltage range from ±5V to ±20V, offering flexibility for various applications.
8. Temperature Stability: Ensures reliable performance across a wide operating temperature range.
These features make the LM318N ideal for applications like active filters, high-speed integrators, and fast data acquisition systems.

Pinout

The LM318N is an operational amplifier with an 8-pin configuration. Here is a brief overview of its pin functions:
1. Pin 1 (Offset Null): Used for offset voltage adjustment.
2. Pin 2 (Inverting Input): Receives the input signal that is 180 degrees out of phase with the output.
3. Pin 3 (Non-Inverting Input): Receives the input signal that is in phase with the output.
4. Pin 4 (V-): Connected to the negative power supply voltage.
5. Pin 5 (Offset Null): Used in conjunction with Pin 1 for offset voltage adjustment.
6. Pin 6 (Output): Provides the amplified signal output.
7. Pin 7 (V+): Connected to the positive power supply voltage.
8. Pin 8 (Frequency Compensation): Used for frequency compensation to improve stability.
The LM318N is designed for high slew rates and fast settling times, making it suitable for fast signal processing applications.

Manufacturer

The LM318N is an operational amplifier, and it was originally manufactured by National Semiconductor. National Semiconductor was a company known for designing and producing a wide range of semiconductor products, including integrated circuits like operational amplifiers. In 2011, National Semiconductor was acquired by Texas Instruments, a major American technology company that designs and manufactures semiconductors for electronics. Texas Instruments is known for its broad portfolio of analog and embedded processing products and is considered one of the largest semiconductor companies in the world. After the acquisition, Texas Instruments continued to produce many of National Semiconductor's products, including the LM318N.

Application

The LM318N is a high-speed operational amplifier commonly used in applications requiring fast response and wide bandwidth. Key areas include:
1. Audio Amplification: Enhances sound quality in audio equipment.
2. Signal Processing: Used in filtering, integrating, and differentiating circuits.
3. Instrumentation: Acts in precision measurement systems for accurate data.
4. Voltage Regulation: Assists in power supply regulation and stability.
5. Oscillators: Forms the basis for waveform generation circuits.
6. Data Acquisition: Used in ADC and DAC systems for signal conversion.
7. Communication Systems: Facilitates modulation and demodulation processes.
Its versatility in both analog and digital systems makes it ideal for various electronic circuit designs.

Package

The LM318N is typically available in a Dual In-line Package (DIP) with 8 pins. This package type is commonly used for through-hole mounting on printed circuit boards.

Frequently Asked Questions

Q: What is the typical slew rate for the LM318N?
A: The LM318N features a high slew rate of 70V/μs, making it suitable for high-speed signal processing applications.

Q: Can this amplifier operate with a single power supply?
A: Yes, it supports a supply voltage range of 10V to 40V, but input/output voltage range limits must be considered for single-supply designs.

Q: What is the gain bandwidth product of the LM318N?
A: The gain bandwidth product is 15 MHz, ensuring stable amplification up to that frequency in unity-gain configurations.

Q: Is the LM318N suitable for precision DC applications?
A: Not ideal, as it has a typical input offset voltage of 4 mV and input bias current of 150 nA, which may require external trimming for high precision.

Q: What package type does the LM318N come in?
A: It is available in an 8-pin PDIP (0.300" width) through-hole package, commonly used for prototyping and breadboard designs.

Q: What is the operating temperature range for this component?
A: The LM318N operates from 0°C to 70°C, making it suitable for commercial-grade environments.

Q: Does the LM318N have a -3dB bandwidth spec?
A: Yes, its -3dB bandwidth is 15 MHz, matching the gain bandwidth product for unity-gain closed-loop operation.