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LM293ADT

Name: LM293ADT
Rating: 4.7 (12 reviews)

IC COMPARATOR 2 GEN PUR 8SOIC

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Mfr.부분 #LM293ADT
패키지
데이터시트 LM293ADT DataSheet
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사양

Part Status	Active
Base Product Number	LM293
Type	Standard (General Purpose)
Number of Elements	2
Output Type	Open-Collector, Open-Drain, Rail-to-Rail
Voltage - Supply, Single/Dual (±)	2V ~ 36V, ±1V ~ 18V
Voltage - Input Offset (Max)	2mV @ 30V
Current - Input Bias (Max)	0.1µA @ 5V
Current - Output (Typ)	18mA @ 5V
Current - Quiescent (Max)	2.5mA
Operating Temperature	-40°C ~ 105°C
Package	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Supplier Device Package	8-SOIC
Packaging	Cut Tape (CT), Tape & Reel (TR)

개요

Description

The LM293ADT is a dual voltage comparator integrated circuit (IC) designed for use in various applications that require voltage comparison. It can compare two input voltages and produce a digital output signal based on the comparison. The LM293 series features low input offset voltage, high speed, and low power consumption, making it suitable for battery-powered devices.
Key features include the ability to operate from a single power supply, with a wide input voltage range, and a built-in hysteresis for noise immunity. The IC can function in a temperature range from -40°C to +125°C, ensuring reliability in harsh environments.
Common applications include analog-to-digital converters, level shifters, and window comparators. The LM293ADT is also known for its versatility, being able to interface with both TTL and CMOS logic levels. Its robust performance and ease of use make it a popular choice in electronic circuit design.

Features

The LM293ADT is a dual comparator integrated circuit designed for various applications. Key features include:
1. Dual Comparator: Contains two independent, high-speed comparators.
2. Wide Supply Voltage Range: Operates with a supply voltage from 2 to 36 volts.
3. High Speed: Typical response time is approximately 200 ns.
4. Low Input Offset Voltage: Input offset voltage is typically around 2 mV.
5. Single-Supply Operation: Can operate from a single supply or dual supplies.
6. Output Stage: Open-collector outputs, allowing for wired-AND configuration.
7. Temperature Range: Suitable for industrial applications, with a temperature range from -40°C to +125°C.
8. Low Power Consumption: Designed to consume minimal power during operation.
9. Hysteresis Feature: Optional hysteresis can be implemented for noise immunity.
These characteristics make the LM293ADT suitable for applications in signal processing, voltage level detection, and general-purpose comparator use in electronic circuits.

Package

The LM293ADT is packaged in an 8-pin DIP (Dual In-line Package).

Pinout

The LM293ADT is a dual comparator integrated circuit (IC) that features 8 pins.
Pin Configuration:
1. Non-inverting input (A)
2. Inverting input (A)
3. Output (A)
4. Ground (GND)
5. Output (B)
6. Inverting input (B)
7. Non-inverting input (B)
8. Supply Voltage (VCC)
Functionality:
The LM293ADT operates as two independent voltage comparators, which compare the voltages at their non-inverting and inverting inputs and output a high or low signal accordingly. It is capable of operating with a single supply voltage and is designed for low-power applications. The output is typically open-collector, allowing for wired-AND configurations. It is used in various applications including signal conditioning, analog-to-digital conversion, and threshold detection.

Manufacturer

The LM293ADT is manufactured by Texas Instruments (TI), a leading semiconductor company. Texas Instruments designs and produces a wide range of analog and digital electronic components, including integrated circuits (ICs), microcontrollers, and processors. Founded in 1930 and headquartered in Dallas, Texas, TI is known for its innovations in various fields such as automotive, industrial, communications, and consumer electronics. The LM293ADT specifically is a dual voltage comparator, widely used in applications that require fast and precise voltage comparisons. TI’s focus on research and development and its extensive portfolio make it a significant player in the electronics industry.

Application

The LM293ADT is a dual comparator integrated circuit used in various applications, including voltage level detection, signal conditioning, and threshold sensing. It is commonly employed in battery voltage monitoring, overcurrent protection circuits, and precision temperature control systems. Additionally, it can be utilized in oscillators, pulse width modulation (PWM) circuits, and as a part of analog-to-digital converters for signal processing tasks. Its versatility makes it suitable for use in industrial, automotive, and consumer electronics.

Equivalent

The LM293ADT is a dual comparator IC. Equivalent products include the LM393 (dual comparator), LM2903 (dual comparator with different input voltage range), and TLV3701 (low-power dual comparator). For more specialized applications, you might consider the MCP602 (dual op-amp with comparator function) or the LMV7219 (low-voltage, low-power comparator). Always check specific datasheets for pin configurations and specifications to ensure compatibility.