LM258AD

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LM258AD

IC OPAMP GP 2 CIRCUIT 8SOIC

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  • Ông. Phần #LM258AD
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  • Bảng dữ liệu LM258AD DataSheet
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Thông số kỹ thuật

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

Tổng quan

Description

The LM258AD is a dual operational amplifier (op-amp) integrated circuit (IC) widely used in various analog applications. It features two independent, high-gain, frequency-compensated op-amps designed for general-purpose use. The LM258AD operates with a single supply voltage ranging from 3V to 32V or a dual supply of ±1.5V to ±16V, making it versatile for different circuit designs.
Key characteristics include a low input offset voltage, high open-loop gain, and a wide bandwidth, allowing it to handle a variety of signal processing tasks. The device is commonly used in filtering, amplification, and signal conditioning applications. Its robustness and ease of use make it suitable for both hobbyist projects and professional electronics.
The LM258AD is housed in standard packages like DIP and SOIC, facilitating easy integration into circuits. Overall, it serves as an essential component in many electronic designs, providing reliable performance in a compact form.

Features

The LM258AD is a dual operational amplifier featuring several key specifications:
1. Dual Configuration: Contains two independent, high-gain, frequency-compensated op-amps.
2. Wide Supply Voltage Range: Operates with a dual power supply from ±4V to ±15V or a single supply from 8V to 30V.
3. High Gain: It offers a voltage gain of 100 dB at low frequencies.
4. Wide Bandwidth: Typically has a unity-gain bandwidth of 1 MHz.
5. Input Offset Voltage: Low input offset voltage, typically 2 mV, ensuring accurate signal amplification.
6. Low Noise: Designed for minimal noise, making it suitable for audio and precision applications.
7. Output Drive Capability: Can drive loads of 600 ohms and can deliver output swing close to the supply rails.
8. Temperature Range: Operates effectively over a temperature range of -40°C to +85°C.
9. Applications: Ideal for signal conditioning, filtering, and amplifying weak signals in various electronic circuits.
These features make the LM258AD versatile for both consumer and industrial applications.

Package

The LM258AD is typically available in an 8-pin dual in-line package (DIP) format. It may also be found in surface mount packages such as SOIC (Small Outline Integrated Circuit) depending on the manufacturer. Always verify with the specific datasheet for the exact package type.

Pinout

The LM258AD is a dual-operational amplifier with an 8-pin DIP (Dual In-Line Package) configuration. The pinout and their functions are as follows:
1. Offset Null: Used for adjusting the output offset voltage.
2. Inverting Input (A): The input terminal for the first operational amplifier.
3. Non-Inverting Input (A): The non-inverting terminal for the first operational amplifier.
4. V-: Negative power supply pin.
5. Offset Null: Used for adjusting the output offset voltage of the second amplifier.
6. Inverting Input (B): The input terminal for the second operational amplifier.
7. Non-Inverting Input (B): The non-inverting terminal for the second operational amplifier.
8. V+: Positive power supply pin.
The LM258AD can operate on a broad range of supply voltages and is commonly used in signal conditioning, filtering, and amplification applications.

Manufacturer

The LM258AD is manufactured by Texas Instruments (TI), a leading semiconductor company. Founded in 1930, Texas Instruments specializes in the design and production of a wide range of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company serves various industries, including automotive, industrial, communications, and consumer electronics, providing innovative solutions that enhance electronic devices' functionality and performance. TI is known for its commitment to research and development, focusing on the creation of advanced technologies that drive the electronics industry forward.

Application

The LM258AD is a dual operational amplifier commonly used in various applications, including:
1. Signal conditioning
2. Active filters
3. Voltage followers
4. Amplifying sensors
5. Audio processing
6. Comparator circuits
7. Data acquisition systems
8. Feedback and control systems
Its versatility and performance make it suitable for both analog and digital electronics in industrial, automotive, and consumer applications.

Equivalent

The LM258AD is a dual operational amplifier. Equivalent products include the LM358, LMV358, TL072, and MCP6002. For higher precision, consider the OPA2134 or LM2904. Always check specific electrical characteristics and packaging for compatibility.

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