LM2903VQPWR

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LM2903VQPWR

IC COMPARATOR DUAL TSSOP

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規格

Package Tape & Reel (TR)
Series Automotive, AEC-Q100
ProductStatus Obsolete
Type Differential
NumberofElements 2
OutputType CMOS, 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) 20mA
Current-Quiescent(Max) 2.5mA
OperatingTemperature -40°C ~ 125°C
Package/Case 8-TSSOP (0.173, 4.40mm Width)
MountingType Surface Mount

概述

Description

The LM2903VQPWR is a dual comparator integrated circuit (IC) designed for various applications, including signal conditioning and level detection. It features two independent voltage comparators that operate with a wide supply voltage range of 2 to 36 volts, making it versatile for different power supply requirements. The device is known for its high-speed response, with a propagation delay typically around 300 ns, and can operate over a wide temperature range.
The LM2903VQPWR has an open-collector output, allowing it to interface easily with different logic levels and enabling wired-AND configurations. It provides a low input offset voltage, ensuring precision in applications requiring accurate voltage comparisons. The device is typically housed in a VQFN (Very Thin Quad Flat No-lead) package, which is compact and suitable for modern electronic designs.
Common applications include zero-crossing detectors, voltage level monitoring, and over-voltage protection circuits. Its reliability and performance make it a popular choice among engineers and designers in various electronic projects.

Features

The LM2903VQPWR is a dual comparator integrated circuit designed for various applications in electronic circuits. Key features include:
1. Dual Comparator: Contains two independent, high-gain, and high-speed comparators.
2. Wide Supply Voltage Range: Operates from a single supply voltage of 2V to 36V or dual supplies from ±1V to ±18V.
3. High Input Impedance: Provides low bias current, reducing loading on input signals.
4. Open-Collector Output: Allows for wired-AND configurations, making it versatile for different circuit designs.
5. Low Output Saturation Voltage: Ensures efficient performance and reduces power loss.
6. Temperature Range: Available in standard temperature ranges from 0°C to 70°C and industrial ranges from -40°C to 125°C.
7. Hysteresis Option: Can be configured for hysteresis to prevent oscillations when inputs are near the threshold.
These features make the LM2903VQPWR suitable for applications in voltage level detection, analog-to-digital conversion, and various control systems.

Package

The LM2903VQPWR is packaged in a TSSOP-14 (Thin Shrink Small Outline Package) type.

Pinout

The LM2903VQPWR is a dual comparator with a pin count of 8. It is designed for use in various applications that require voltage level comparisons.
Pin Functions:
1. Pin 1 (Inverting Input 1) - Input for the first comparator.
2. Pin 2 (Non-inverting Input 1) - Input for the first comparator.
3. Pin 3 (Output 1) - Output of the first comparator.
4. Pin 4 (V- or Ground) - Negative power supply (typically ground).
5. Pin 5 (Non-inverting Input 2) - Input for the second comparator.
6. Pin 6 (Inverting Input 2) - Input for the second comparator.
7. Pin 7 (Output 2) - Output of the second comparator.
8. Pin 8 (V+ or Power Supply) - Positive power supply.
The LM2903 is notable for its wide operating voltage range and can handle input signals that go below the ground level, making it versatile for various applications in signal conditioning and comparison tasks.

Manufacturer

The LM2903VQPWR is manufactured by Texas Instruments (TI), a prominent American technology company. Founded in 1930, TI is known for designing and producing semiconductors and various integrated circuits. The company specializes in analog electronics, embedded processors, and digital signal processing. Texas Instruments serves a wide array of markets, including automotive, industrial, communications, consumer electronics, and computing. The LM2903 is a dual comparator, widely used in various applications for signal processing and condition monitoring. TI is recognized for its commitment to innovation and quality, making it a leading player in the semiconductor industry.

Application

The LM2903VQPWR is a dual comparator used in various applications, including voltage level detection, zero-crossing detectors, analog signal processing, and waveform shaping. It is commonly employed in automotive systems, industrial automation, and consumer electronics for tasks like over-voltage protection, temperature monitoring, and signal conditioning. Its low power consumption and wide supply voltage range make it suitable for battery-operated devices as well.

Equivalent

The LM2903VQPWR is a dual comparator. Equivalent products include the LM393 (dual comparator), TLV3702 (dual comparator with low power), MCP6541 (single comparator with low power), and the MAX9034 (dual comparator with fast response). For similar functionality, consider the LM358 (dual op-amp) used in comparator applications. Always check specifications for voltage, speed, and power requirements to ensure compatibility.

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