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LM1458MX

Name: LM1458MX
Rating: 4.7 (12 reviews)

IC OPAMP GP 2 CIRCUIT 8SOIC

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資料表 LM1458MX DataSheet
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規格

Part Status	Obsolete
Amplifier Type	Standard
Number of Circuits	2
Slew Rate	0.5V/µs
Current - Input Bias	200 nA
Voltage - Input Offset	1 mV
Current - Supply	3mA (x2 Channels)
Current - Output / Channel	20 mA
Voltage - Supply Span (Min)	36 V
Voltage - Supply Span (Max)	36 V
Operating Temperature	0°C ~ 70°C
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SOIC
Base Product Number	LM1458
Gain Bandwidth Product	1 MHz

概述

Description

The LM1458MX is a dual operational amplifier (op-amp) designed for general-purpose applications. It features two independent, high-gain, frequency-compensated amplifiers capable of operating from a single power supply voltage ranging from 3V to 32V, or dual supplies of ±1.5V to ±16V.
Key specifications include a high gain bandwidth product, low noise, and low input offset voltage, making it suitable for applications such as signal conditioning, filtering, and amplification. The LM1458MX can handle input voltages that swing to the negative supply rail, and it offers a common mode input range that extends to the negative supply.
Its typical applications include audio processing, waveform generation, and other analog signal processing tasks. The device is packaged in an 8-pin dual in-line package (DIP or SOIC), enabling easy integration into circuit designs. Overall, the LM1458MX is valued for its versatility, reliability, and performance in various electronic applications.

Features

The LM1458MX is a dual operational amplifier featuring the following key characteristics:
1. Dual Configuration: Contains two independent, high-gain, frequency-compensated op-amps.
2. Wide Supply Voltage Range: Operates with a supply voltage from ±2V to ±22V or from 4V to 44V single supply.
3. Low Input Offset Voltage: Typically around 2 mV, ensuring accuracy in signal amplification.
4. High Gain: Offers a voltage gain of up to 100,000.
5. Low Noise: Designed for low noise operation, enhancing signal integrity.
6. Wide Bandwidth: Provides a unity-gain bandwidth of approximately 1 MHz.
7. Low Power Consumption: Consumes low quiescent current, making it suitable for battery-operated devices.
8. Temperature Range: Operates over a temperature range of -40°C to +85°C.
9. Applications: Ideal for signal conditioning, filtering, and amplification in various electronic applications.
The LM1458MX is widely used in audio, industrial, and consumer electronics due to its versatility and reliability.

Package

The LM1458MX is typically available in an 8-pin dual in-line package (DIP) format. It may also be found in surface mount configurations, such as SOIC-8.

Pinout

The LM1458MX is a dual operational amplifier (op-amp) IC that typically comes in an 8-pin dual in-line package (DIP) or surface-mount package. Here is the pin configuration and their functions:
1. Offset Null (Pin 1): Used for offset voltage adjustment.
2. Inverting Input (A) (Pin 2): Input for the first op-amp inverting configuration.
3. Non-Inverting Input (A) (Pin 3): Input for the first op-amp non-inverting configuration.
4. Output (A) (Pin 4): Output of the first op-amp.
5. V- (Pin 5): Negative power supply terminal.
6. Output (B) (Pin 6): Output of the second op-amp.
7. Non-Inverting Input (B) (Pin 7): Input for the second op-amp non-inverting configuration.
8. Inverting Input (B) (Pin 8): Input for the second op-amp inverting configuration.
The LM1458MX is widely used in analog signal processing applications due to its low noise and high input impedance.

Manufacturer

The LM1458MX is manufactured by Texas Instruments (TI), a leading semiconductor company. Founded in 1951, Texas Instruments specializes in designing and manufacturing a broad range of electronic components, including integrated circuits (ICs), processors, and other semiconductor devices. The company is known for its innovation in analog and digital signal processing, as well as for providing solutions for various applications in industries such as automotive, industrial, consumer electronics, and communication. TI is a key player in the electronics industry, contributing significantly to advancements in technology through its extensive portfolio of products and a strong focus on research and development.

Application

The LM1458MX is a dual operational amplifier used in various applications, including signal conditioning, audio processing, active filters, voltage followers, and comparators. It's commonly found in instrumentation, data acquisition systems, and feedback control loops due to its low noise and high gain characteristics. Additionally, it is suitable for low-frequency applications in consumer electronics, medical equipment, and industrial automation systems.

Equivalent

The LM1458MX is a dual operational amplifier. Equivalent products include the TL072, TL082, LM358, and LM324. For precision applications, consider the OP07 or OPA2134. Always check specific requirements like bandwidth, noise, and power supply for the best match.