LM2903Q2T

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LM2903Q2T

IC COMPARATOR DIFF DFN8

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Specifications

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Differential
NumberofElements 2
OutputType CMOS, DTL, ECL, 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-UFDFN Exposed Pad
MountingType Surface Mount

Overview

Description

The LM2903Q2T is a dual comparator integrated circuit designed for various applications, including signal conditioning, waveform generation, and level shifting. It features two independent, high-speed comparators that can operate from a single power supply or dual power supplies, making it versatile for different circuit designs.
Key specifications include low input offset voltage, wide supply voltage range (typically from 2V to 36V), and the ability to operate at temperatures from -40°C to +125°C, making it suitable for automotive and industrial applications. The LM2903Q2T also offers a fast response time and low power consumption, which enhances efficiency in battery-operated devices.
The device is packaged in multiple formats, including surface mount and through-hole options, catering to various design requirements. Its applications range from simple voltage level detection to more complex systems requiring precise analog comparisons. Overall, the LM2903Q2T is an essential component for engineers looking to implement reliable and efficient comparator functions in their designs.

Features

The LM2903Q2T is a dual comparator IC designed for various applications. Key features include:
1. Dual Comparator: Contains two independent, high-speed voltage comparators.
2. Wide Supply Voltage Range: Operates from 2V to 36V, allowing flexibility in design.
3. Low Input Offset Voltage: Typically 2mV, which helps in precision applications.
4. High Speed: Fast response time with a typical propagation delay of 200 ns at 5V.
5. Open-Collector Output: Allows for easy interfacing with different voltage levels.
6. Wide Temperature Range: Rated for operation from -40°C to +125°C, suitable for automotive and industrial applications.
7. Low Power Consumption: Consumes low quiescent current, enhancing energy efficiency.
8. Latch-Up Protection: Robust design minimizes susceptibility to latch-up conditions.
These features make the LM2903Q2T suitable for applications such as signal conditioning, level detection, and comparator circuits in both consumer and industrial electronics.

Package

The LM2903Q2T is available in a dual inline package (DIP) type. Specifically, it typically comes in a 14-pin SOIC (Small Outline Integrated Circuit) or TSSOP (Thin Shrink Small Outline Package) format, which are suitable for surface mounting.

Pinout

The LM2903Q2T is a dual comparator from Texas Instruments, featuring a total of 8 pins. Its primary function is to compare two input voltages and output a digital signal indicating which input is higher.
### Pin Configuration:
1. Inverting Input (1A) - Input for comparator 1
2. Non-inverting Input (1B) - Input for comparator 1
3. Output (1Y) - Output for comparator 1
4. Ground (GND) - Common ground reference
5. Output (2Y) - Output for comparator 2
6. Non-inverting Input (2B) - Input for comparator 2
7. Inverting Input (2A) - Input for comparator 2
8. Supply Voltage (VCC) - Positive power supply
The LM2903Q2T operates over a wide voltage range, making it suitable for various applications, including voltage level detection, zero-crossing detectors, and signal conditioning.

Manufacturer

The LM2903Q2T is manufactured by Texas Instruments (TI), a well-established American technology company. Texas Instruments specializes in designing and manufacturing semiconductors, particularly analog and embedded processing chips. Founded in 1930, TI serves a wide range of markets, including automotive, industrial, communications, and consumer electronics. The LM2903Q2T itself is a dual comparator, often used in various electronic applications due to its versatility and reliability. Texas Instruments is known for its innovation in the semiconductor industry and is a key player in developing advanced technologies for a connected world.

Application

The LM2903Q2T is a dual comparator used in various applications, including voltage level detection, zero-crossing detectors, pulse-width modulation, and signal conditioning in automotive and industrial systems. It's suitable for analog-to-digital conversion, sensor interfacing, and over-voltage/under-voltage protection circuits. Its low-power consumption and wide supply voltage range make it ideal for battery-operated devices and low-power applications.

Equivalent

The LM2903Q2T is a dual comparator. Equivalent products include the LM393, LM2904 (quad version), MCP6001 (from Microchip), and TLC3702 (low-power). Other alternatives may include the TLV3702 and MAX9020 for specific applications, depending on parameters like supply voltage, speed, and power consumption. Always check the specific datasheets for full compatibility.

Shipping

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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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