LM2902D

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LM2902D

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  • Nhà sản xuấtSTMicroelectronics

  • Ông. Phần #LM2902D

  • Có sẵn6218

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Thông số kỹ thuật

thuộc tính Giá trị
Package Tube
ProductStatus Active
AmplifierType General Purpose
NumberofCircuits 4
SlewRate 0.5V/µs
GainBandwidthProduct 1.2 MHz
Current-InputBias 20 nA
Voltage-InputOffset 3 mV
Current-Supply 1.4mA (x4 Channels)
Current-Output/Channel 30 mA
Voltage-SupplySpan(Min) 3 V
Voltage-SupplySpan(Max) 26 V
OperatingTemperature -40°C ~ 125°C (TA)
MountingType Surface Mount
Package/Case 14-SOIC (0.154, 3.90mm Width)

Tổng quan

Description

The LM2902D is a quad operational amplifier (op-amp) that integrates four independent op-amps in a single package. This IC is commonly used in signal processing applications due to its low power consumption, wide gain bandwidth, and single-supply operation capability. It operates over a wide range of voltages, from 3V to 32V, making it versatile for various applications.
The LM2902D offers features like low input bias current, low input offset voltage, and high input impedance, which enhance its performance in precision applications. The output can swing close to the ground, which is beneficial for single-supply operations.
It's often used in analog circuits for tasks such as amplification, filtering, and signal conditioning. The quad configuration allows for reduced component count and board space when multiple op-amps are needed. The device is available in various package types, including SOIC (Small Outline Integrated Circuit), which is suitable for compact designs.
Overall, the LM2902D is a reliable and cost-effective choice for designers requiring multiple op-amps in their circuitry.

Equivalent

The LM2902D is a quad operational amplifier. Equivalent products include the LM324 LM2902, LM2902N, and MC3302. These chips offer similar functionality and pin configurations, making them interchangeable in most applications. Always check the datasheet for specific electrical characteristics and ensure compatibility with your circuit requirements.

Features

The LM2902D is a quad operational amplifier featuring four independent op-amps in a single package. Key features include:
1. Wide Supply Voltage Range: It operates on a range of 3V to 32V for single supply or ±1.5V to ±16V for dual supplies, making it versatile for various applications.
2. Low Supply Current: The amplifiers have low quiescent current draw, which is advantageous for battery-powered devices.
3. Wide Bandwidth: It offers a decent bandwidth of about 1 MHz, suitable for many general-purpose applications.
4. Low Input Offset Voltage and Current: This enhances precision in DC amplification applications.
5. High Gain: The LM2902D provides high open-loop voltage gain.
6. Output Compatibility: The op-amps can drive loads directly, making them suitable for interfacing with digital logic circuits.
7. Internally Frequency Compensated: Ensures stable operation across the specified range of conditions.
8. Temperature Range: It typically operates over a temperature range from -40°C to 85°C.
These features make the LM2902D suitable for a variety of applications, including signal conditioning, filtering, and other linear amplification tasks.

Pinout

The LM2902D is a quad op-amp (operational amplifier) IC that consists of four independent, high-gain, internally frequency-compensated operational amplifiers designed to operate from a single power supply over a wide range of voltages. The LM2902D package typically comes in a 14-pin dual in-line package (DIP) or surface-mount package (SOIC).
Here is a brief description of the pin functions:
1. Pin 1: Output of Op-Amp 1
2. Pin 2: Inverting Input of Op-Amp 1
3. Pin 3: Non-Inverting Input of Op-Amp 1
4. Pin 4: Supply Voltage (V+)
5. Pin 5: Non-Inverting Input of Op-Amp 2
6. Pin 6: Inverting Input of Op-Amp 2
7. Pin 7: Output of Op-Amp 2
8. Pin 8: Output of Op-Amp 3
9. Pin 9: Inverting Input of Op-Amp 3
10. Pin 10: Non-Inverting Input of Op-Amp 3
11. Pin 11: Output of Op-Amp 4
12. Pin 12: Inverting Input of Op-Amp 4
13. Pin 13: Non-Inverting Input of Op-Amp 4
14. Pin 14: Ground (V− or GND)
This IC is widely used in analog signal processing applications due to its versatility and reliability.

Manufacturer

The LM2902D is an operational amplifier manufactured by several companies, including Texas Instruments and STMicroelectronics.
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas, known for designing and manufacturing a wide range of electronics components, including analog chips, embedded processors, and digital signal processors. TI serves various industries, such as automotive, industrial, and consumer electronics.
STMicroelectronics is another major manufacturer of the LM2902D. It is a multinational electronics and semiconductor manufacturer based in Geneva, Switzerland. STMicroelectronics focuses on a wide array of applications, from automotive and industrial to personal electronics and communications infrastructure.
Both companies are recognized as leading suppliers in the semiconductor industry, providing reliable and innovative solutions that power numerous electronic devices and systems worldwide.

Application

The LM2902D is a quad op-amp known for its low power consumption and wide supply voltage range. It is often used in sensor signal conditioning, industrial controls, and automotive applications due to its ability to operate over a wide temperature range. Additionally, it's suitable for use in audio processing, active filters, and voltage followers. Its low offset voltage and high input impedance make it ideal for precision applications like instrumentation and data acquisition systems. The LM2902D is also used in power management systems and communication equipment, where reliable performance and efficiency are crucial.

Package

The LM2902D is a quad operational amplifier that comes in a 14-pin SOIC (Small Outline Integrated Circuit) package. It is designed for surface mount applications, providing a compact footprint suitable for various electronic designs.

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