LM258AD

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LM258AD

+BOM

IC OPAMP GP 2 CIRCUIT 8SOIC

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Specifications

Attribute Value
Part Status Obsolete
Amplifier Type Standard (General Purpose)
Number of Circuits 2
Slew Rate 0.3V/µs
Gain Bandwidth Product 700 kHz
Current - Input Bias 15 nA
Voltage - Input Offset 2 mV
Current - Supply 500µA (x2 Channels)
Current - Output / Channel 40 mA
Voltage - Supply Span (Min) 3 V
Voltage - Supply Span (Max) 32 V
Operating Temperature -25°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number LM258

Overview

Description

The LM258AD is a dual operational amplifier (op-amp) designed for general-purpose applications. It features low noise, wide bandwidth, and high gain, making it suitable for signal conditioning, filtering, and amplification tasks in various electronic circuits. The device operates with a supply voltage range of ±5V to ±15V, ensuring versatility in different designs.
Key characteristics include a low input offset voltage, high input impedance, and a low output impedance, which contribute to its effectiveness in precision applications. The LM258AD can handle a considerable output current, making it capable of driving loads directly in many cases.
It is commonly used in applications such as audio amplifiers, active filters, and comparators. The package options typically include DIP and surface mount configurations, facilitating integration into diverse PCB layouts. Overall, the LM258AD is a reliable choice for engineers seeking performance and stability in analog signal processing.

Equivalent

The LM258AD is a dual operational amplifier. Equivalent products include the TL072, LM358and MC33078. Additionally, the LM2904 and OP-AMPs from the 400 series like the LF351 can also serve similar functions, though specifications may vary. Always check datasheets for pin configurations and performance parameters to ensure compatibility.

Features

The LM258AD is a dual operational amplifier (op-amp) characterized by its versatility and reliability in various applications. Key features include:
1. Dual Configuration: Contains two independent, high-gain, internally frequency-compensated op-amps.
2. Wide Supply Voltage Range: Operates from a single supply of 3V to 32V or dual supplies of ±1.5V to ±16V.
3. High Gain: Offers a typical open-loop voltage gain of 100 dB.
4. Low Input Offset Voltage: Typically around 2mV, facilitating precise signal amplification.
5. High Input Impedance: Minimizes loading effects on preceding circuits, ensuring signal integrity.
6. Low Output Impedance: Allows for effective driving of loads.
7. Wide Frequency Response: Gain-bandwidth product of approximately 1 MHz, suitable for various signal frequencies.
8. Applications: Ideal for use in instrumentation, filters, amplifiers, and signal conditioning.
These features make the LM258AD a popular choice in analog signal processing applications.

Pinout

The LM258AD is a dual operational amplifier with a total of 8 pins. The pin configuration and their functions are as follows:
1. Offset Null - Used for offset voltage adjustment.
2. Inverting Input (A) - Input for the first operational amplifier (Op-Amp A).
3. Non-Inverting Input (A) - Input for the first operational amplifier (Op-Amp A).
4. Output (A) - Output for the first operational amplifier (Op-Amp A).
5. Negative Supply (V-) - Connects to the negative voltage supply.
6. Positive Supply (V+) - Connects to the positive voltage supply.
7. Non-Inverting Input (B) - Input for the second operational amplifier (Op-Amp B).
8. Inverting Input (B) - Input for the second operational amplifier (Op-Amp B).
9. Output (B) - Output for the second operational amplifier (Op-Amp B).
This configuration allows for various applications in signal amplification, filtering, and other analog functions.

Manufacturer

The LM258AD is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments specializes in designing and manufacturing a wide range of semiconductor products, including analog and embedded processing devices. The company is known for its innovation in various fields such as automotive, industrial, communications, and consumer electronics. Founded in 1930, TI has a long history of technological advancements and is considered one of the pioneers in the semiconductor industry. The LM258 series itself is a dual operational amplifier, widely used in various electronics applications for signal amplification, filtering, and signal processing.

Application

The LM258AD is a dual operational amplifier widely used in various application areas, including:
1. Signal Conditioning: Amplifying low-level signals for further processing.
2. Active Filters: Designing low-pass, high-pass, and band-pass filters.
3. Voltage Follower: Buffering signals to prevent loading effects.
4. Instrumentation Amplifiers: Enhancing the precision of sensor outputs.
5. Comparators: Comparing two voltages and providing a binary output.
6. Audio Processing: Amplifying audio signals in mixers and equalizers.
Its versatility and stability make it suitable for both analog and digital applications in consumer electronics, industrial control, and medical devices.

Package

The LM258AD is typically available in a dual-in-line package (DIP-8) configuration. It may also be found in other package types like SOIC-8 or TSSOP-8, depending on the manufacturer.