LM2903PWR

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LM2903PWR

IC COMPARATOR QUAD GP 8TSSOP

  • Manufacturer
  • Mfr. Part #LM2903PWR
  • Package TSSOP (PW)-8
  • Datasheet
  • In Stock7282

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Specifications

Package Tape & Reel (TR)
Series Trophy
ProductStatus Active
Type General Purpose
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) 16mA @ 5V
Current-Quiescent(Max) 2.5mA
OperatingTemperature -40°C ~ 125°C
Package/Case 8-TSSOP (0.173, 4.40mm Width)
MountingType Surface Mount

Overview

Description

The LM2903PWR is a dual comparator integrated circuit (IC) designed for use in a variety of analog applications. It features two independent, high-speed comparators capable of comparing two input voltages and outputting a digital signal based on the comparison. The IC operates from a supply voltage range of 2 to 36 volts, making it versatile for different power supply configurations.
Key characteristics include a low input offset voltage, high common-mode voltage range, and low output saturation voltage, which enhance its accuracy and efficiency. The LM2903PWR is commonly used in applications such as voltage level detection, zero-crossing detectors, and pulse-width modulation.
Its wide operating temperature range and robust performance make it suitable for automotive, industrial, and consumer electronics. The IC is available in a surface-mount package, facilitating compact circuit designs. Overall, the LM2903PWR is a reliable choice for engineers looking to implement comparison functions in their electronic circuits.

Features

The LM2903PWR is a dual comparator IC designed for various applications in electronic circuits. Key features include:
1. Dual Comparator: Contains two independent, high-speed voltage comparators.
2. Wide Supply Voltage Range: Operates from 2V to 36V, accommodating diverse power requirements.
3. Low Input Bias Current: Typically 100 nA, reducing the power consumption in low-current applications.
4. High Speed: Response times can reach 1.5 µs, suitable for fast-switching applications.
5. Output Stage: Open-collector output allows interfacing with a variety of logic levels.
6. Temperature Range: Rated for operation between -40°C to +125°C, making it suitable for industrial applications.
7. Low Supply Current: Consumes around 1.5 mA per comparator, enhancing efficiency.
8. Latch-Up Immunity: Designed to resist latch-up under standard operating conditions.
These features make the LM2903PWR ideal for applications such as zero-crossing detectors, voltage level detectors, and signal conditioning in various electronic devices.

Package

The LM2903PWR is packaged in a TSSOP-14 (Thin Shrink Small Outline Package) format. This package type is designed for surface mounting and features a compact design suitable for various applications in electronic circuits.

Pinout

The LM2903PWR is a dual comparator IC with a pin count of 8. It is designed for use in various applications requiring voltage comparison.
Pin Configuration:
1. Inverting Input (−): Accepts the input signal for comparison.
2. Non-inverting Input (+): Accepts the reference voltage for comparison.
3. Output (Output A): Provides the output signal based on the comparison of the inputs.
4. Ground (GND): Common ground reference for the IC.
5. Output (Output B): Second comparator output.
6. Inverting Input (−): Second comparator inverting input.
7. Non-inverting Input (+): Second comparator non-inverting input.
8. Supply Voltage (VCC): Positive supply voltage for the IC.
The LM2903PWR operates across a wide voltage range and features open-collector outputs, making it versatile for interfacing with different logic levels. It is commonly used in applications like voltage level detection, signal conditioning, and threshold detection.

Manufacturer

The LM2903PWR is manufactured by Texas Instruments (TI), a leading global semiconductor company. Founded in 1951, Texas Instruments designs and produces a wide range of electronic components, including analog, digital, and embedded processing devices. The company is well-known for its innovation in the semiconductor industry and serves various sectors, including automotive, industrial, communications, and consumer electronics. TI is recognized for its expertise in analog and mixed-signal technology, making it a key player in providing solutions for diverse electronic applications.

Application

The LM2903PWR is a dual comparator integrated circuit widely used in various applications such as voltage level detection, signal conditioning, zero-crossing detection, and analog-to-digital converters. It is suitable for automotive, industrial, and consumer electronics for tasks like over-voltage protection, switch debouncing, and pulse width modulation (PWM) control. Its low power consumption and wide supply voltage range make it ideal for battery-operated devices and portable applications.

Equivalent

The LM2903PWR is a dual comparator. Equivalent products include:
1. LM393 (dual comparator, similar function but different package)
2. LM2901 (quad comparator, can be used in pairs)
3. TLV3701 (low-power comparator)
4. MCP6541 (low-voltage, single comparator)
Check specifications to ensure compatibility in your application.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

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