LM358DT

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LM358DT

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Thông số kỹ thuật

thuộc tính Giá trị
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Obsolete
AmplifierType General Purpose
NumberofCircuits 2
SlewRate 0.3V/µs
GainBandwidthProduct 800 kHz
Current-InputBias 20 nA
Voltage-InputOffset 1 mV
Current-Supply 600µA
Current-Output/Channel 30 mA
Voltage-SupplySpan(Min) 3 V
Voltage-SupplySpan(Max) 32 V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Tổng quan

Description

The LM358DT is a dual operational amplifier (op-amp) integrated circuit designed for general-purpose applications. It features two independent, high-gain, internally frequency-compensated op-amps within a single package, which can operate from a single power supply over a wide voltage range. Key specifications include a low power consumption, a wide bandwidth of 1 MHz, and a slew rate of 0.3 V/µs. The LM358DT is suitable for a variety of applications, including signal conditioning, filtering, and amplification in both analog and digital systems.
This op-amp is known for its versatility, as it can function well in both single-supply and split-supply configurations, making it ideal for battery-operated devices. Additionally, it can handle input voltages that go below the negative supply, allowing for ground-referenced inputs. The device is available in various package types, with the DT suffix indicating a surface-mount package. Its reliability and cost-effectiveness make it a popular choice for designers looking to implement basic amplifier functions in their electronic circuits.

Equivalent

The LM358DT is a dual operational amplifier. Equivalent products include the LM358from various manufacturers like Texas Instruments, ON Semiconductor, and STMicroelectronics. Other equivalent chips include the LM2904 LM258, and MC1458. Additionally, products like the TL072 or NE5532 can work as substitutes in many applications, though they may have different specifications. Always verify pin configuration and electrical characteristics before substituting to ensure compatibility with your specific application.

Features

The LM358DT is a dual operational amplifier that offers several notable features:
1. Dual Op-Amps: It contains two independent, high-gain, internally frequency-compensated operational amplifiers.
2. Wide Supply Range: It operates with a single power supply ranging from 3V to 32V, or dual supplies from ±1.5V to ±16V.
3. Low Power Consumption: The device is designed to be low-power, making it suitable for battery-operated applications.
4. Wide Bandwidth: It has a bandwidth of 1 MHz, which is adequate for many general-purpose applications.
5. High Slew Rate: The slew rate is typically 0.7 V/µs.
6. Low Input Offset Voltage: The typical input offset voltage is around 2 mV.
7. Output Short-Circuit Protection: The device includes internal protection against output short circuits.
8. Common-Mode Input Range: The input common-mode range includes the negative rail, making it versatile for use in single-supply applications.
9. Packages Available: It is available in various packages, including SOIC, for flexibility in design implementation.
These features make the LM358DT well-suited for applications like signal conditioning, filtering, and sensor interfacing.

Pinout

The LM358DT is a dual operational amplifier integrated circuit. It features 8 pins, each serving a specific function. Here are the pin functions:
1. Pin 1 (OUT1): Output of the first operational amplifier.
2. Pin 2 (IN1-): Inverting input of the first operational amplifier.
3. Pin 3 (IN1+): Non-inverting input of the first operational amplifier.
4. Pin 4 (VCC-): Negative power supply voltage (ground in typical applications).
5. Pin 5 (IN2+): Non-inverting input of the second operational amplifier.
6. Pin 6 (IN2-): Inverting input of the second operational amplifier.
7. Pin 7 (OUT2): Output of the second operational amplifier.
8. Pin 8 (VCC+): Positive power supply voltage.
The LM358DT is used in various applications due to its ability to operate on a wide range of supply voltages and its dual op-amp configuration, making it suitable for signal conditioning, filtering, and amplification tasks.

Manufacturer

The LM358DT is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, and manufactures a wide range of semiconductor products. It serves various markets, including industrial, automotive, personal electronics, and communications equipment. STMicroelectronics is known for its innovation in semiconductors and plays a significant role in developing technologies that drive smart devices and applications.

Application

The LM358DT is a versatile dual operational amplifier used in various applications. Common areas include signal conditioning, filtering, and amplification in sensor interfaces for temperature, pressure, and light sensors. It is also employed in analog-to-digital converters (ADCs) and digital-to-analog converters (DACs) for audio and signal processing tasks. Additionally, the LM358DT is useful in power management systems for voltage regulation and current sensing, as well as in motor control circuits to manage speed and direction. Its low power consumption and wide supply voltage range make it suitable for portable and battery-operated devices. The LM358DT is also found in basic oscillator circuits and waveform generators.

Package

The LM358DT is housed in a SOIC-8 (Small Outline Integrated Circuit) package. This package type is suitable for surface-mount technology, featuring a small footprint that is ideal for space-constrained applications.

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