LM2903PT

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LM2903PT

IC COMPARATOR DUAL GP 8TSSOP

  • 제조업체
  • Mfr.부분 #LM2903PT
  • 패키지 8-TSSOP
  • 데이터시트
  • 재고 있음7657

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사양

Package Tape & Reel (TR)
Series Signature
ProductStatus Obsolete
Type General Purpose
NumberofElements 2
OutputType CMOS, DTL, ECL, MOS, Open-Collector, TTL
Voltage-SupplySingle/Dual(±) 2V ~ 36V, ±1V ~ 18V
Voltage-InputOffset(Max) 7mV @ 5V
Current-InputBias(Max) 0.25µA @ 5V
Current-Output(Typ) 16mA @ 5V
Current-Quiescent(Max) 2.5mA
OperatingTemperature -40°C ~ 125°C
Package/Case 8-TSSOP (0.173, 4.40mm Width)
MountingType Surface Mount

개요

Description

The LM2903PT is a dual comparator integrated circuit designed for various applications, including signal conditioning, voltage-level detection, and waveform shaping. It features two independent, high-speed comparators with open-collector outputs, allowing for easy interfacing with different voltage levels and systems.
Key specifications include a wide operating voltage range (typically from 2 to 36 volts), low input offset voltage, and a fast response time, making it suitable for precision applications. The LM2903PT can operate in a temperature range from -40°C to +125°C, enhancing its usability in industrial and automotive environments.
The open-collector output allows multiple comparators to be wired together in wired-AND configurations, which is useful in digital and logic applications. Overall, the LM2903PT is a versatile and reliable component widely used in various electronic circuits for comparison tasks.

Features

The LM2903PT is a dual comparator integrated circuit designed for various applications. Key features include:
1. Dual Comparator: Contains two independent comparators that can operate simultaneously.
2. Wide Supply Voltage Range: Operates from 2 to 36V, making it versatile for different power supply configurations.
3. Low Input Offset Voltage: Typically around 2 mV, ensuring high precision in comparisons.
4. High Speed: Offers a response time of about 1.5 µs, suitable for fast switching applications.
5. Open-Collector Output: Allows for wired-AND logic configurations and flexibility in interfacing.
6. Temperature Range: Guaranteed operation over -40°C to +125°C, suitable for industrial and automotive environments.
7. Low Power Consumption: Consumes minimal current, enhancing efficiency in battery-powered devices.
8. Hysteresis Capability: Can be configured for hysteresis for improved stability in noisy environments.
These features make the LM2903PT ideal for applications in voltage level detection, pulse-width modulation, and general-purpose signal conditioning.

Package

The LM2903PT is packaged in a dual in-line package (DIP) with 8 pins. It is designed for dual voltage comparator applications and is commonly used in various electronic circuits.

Pinout

The LM2903PT is a dual comparator IC with 8 pins. Here’s a brief overview of its pin count and functions:
1. Pin 1 (Non-Inverting Input A): Receives the input signal for Comparator A.
2. Pin 2 (Inverting Input A): Receives the reference signal for Comparator A.
3. Pin 3 (Output A): Outputs the result of Comparator A.
4. Pin 4 (V- or Ground): Connects to the negative power supply or ground.
5. Pin 5 (Inverting Input B): Receives the reference signal for Comparator B.
6. Pin 6 (Non-Inverting Input B): Receives the input signal for Comparator B.
7. Pin 7 (Output B): Outputs the result of Comparator B.
8. Pin 8 (V+ or Positive Supply): Connects to the positive power supply.
The LM2903PT is commonly used in applications such as voltage level detection, zero-crossing detection, and signal conditioning.

Manufacturer

The LM2903PT is manufactured by Texas Instruments, a major American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits, including analog, digital signal processing, and embedded processing products. Founded in 1930, the company has a long history of innovation in the electronics industry, focusing on providing solutions for a wide range of applications, including automotive, industrial, communications, and consumer electronics. Texas Instruments is well-known for its commitment to research and development, producing high-quality components that are widely used in electronic designs around the world.

Application

The LM2903PT is a dual comparator used in various applications, including voltage level detection, signal conditioning, and zero-crossing detection. It is commonly utilized in oscillators, pulse-width modulation (PWM) circuits, and analog-to-digital converters (ADCs). Additionally, it serves in over-voltage and under-voltage protection systems, temperature monitoring, and automotive applications for sensing and control functions. Its low power consumption makes it suitable for battery-operated devices as well.

Equivalent

The LM2903PT is a dual comparator. Equivalent products include the LM393, LMV393, MCP6002, TLV3702, and the MAX9014. These alternatives may vary in specifications like supply voltage, speed, and output type, so it's important to check datasheets for compatibility based on your application requirements.

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