LM293ADR

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LM293ADR

IC DUAL GP DIFF COMPARATR 8SOIC

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Спецификации

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Differential
NumberofElements 2
OutputType CMOS, MOS, Open-Drain, TTL
Voltage-SupplySingle/Dual(±) 2V ~ 36V, ±1V ~ 18V
Voltage-InputOffset(Max) 2mV @ 30V
Current-InputBias(Max) 0.25µA @ 5V
Current-Output(Typ) 20mA
Current-Quiescent(Max) 2.5mA
OperatingTemperature -25°C ~ 85°C
Package/Case 8-SOIC (0.154, 3.90mm Width)
MountingType Surface Mount

Обзор

Description

The LM293ADR is a dual comparator integrated circuit designed for a variety of applications, including voltage level detection and signal conditioning. It features two independent, high-speed comparators with a wide supply voltage range, typically from 4.5V to 36V. The LM293ADR operates with a low input offset voltage, making it suitable for precision applications.
Key characteristics include a typical response time of about 1 µs and a low output saturation voltage, allowing for efficient switching. The device is available in an 8-pin PDIP or SOIC package, facilitating easy integration into circuits. It also includes built-in hysteresis, which enhances stability and prevents oscillation in noisy environments.
Applications of the LM293ADR encompass battery voltage monitoring, over-voltage protection circuits, and various signal processing tasks. Its reliability and versatility make it a popular choice among engineers for designing robust electronic systems.

Features

The LM293ADR is a dual comparator integrated circuit designed for various applications in analog signal processing. Key features include:
1. Dual Comparator: Contains two independent, high-speed comparators that can operate on a wide supply voltage range.
2. Wide Supply Voltage Range: Operates from +2V to +36V, accommodating different circuit requirements.
3. Low Input Offset Voltage: Provides a maximum input offset voltage of 2mV, ensuring accurate comparisons.
4. High Speed: Typical response time is less than 200ns at a 5V supply, making it suitable for fast signal processing.
5. Output Stage: Open-collector outputs allow for wired-OR configurations and flexibility in interfacing with different voltage levels.
6. Wide Temperature Range: Rated for operation from -40°C to +125°C, suitable for industrial applications.
7. Short-circuit Protected: Ensures reliability and robustness in various operating conditions.
These features make the LM293ADR ideal for applications such as voltage level detection, analog-to-digital conversion, and various control systems.

Package

The LM293ADR is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) format.

Pinout

The LM293ADR is a quad comparator integrated circuit with a total of 14 pins. The pinout and their functions are as follows:
1. Output 1 - Output of the first comparator.
2. Inverting Input 1 - Inverting input for the first comparator.
3. Non-inverting Input 1 - Non-inverting input for the first comparator.
4. V- - Negative power supply voltage.
5. Output 2 - Output of the second comparator.
6. Inverting Input 2 - Inverting input for the second comparator.
7. Non-inverting Input 2 - Non-inverting input for the second comparator.
8. V+ - Positive power supply voltage.
9. Output 3 - Output of the third comparator.
10. Inverting Input 3 - Inverting input for the third comparator.
11. Non-inverting Input 3 - Non-inverting input for the third comparator.
12. Output 4 - Output of the fourth comparator.
13. Inverting Input 4 - Inverting input for the fourth comparator.
14. Non-inverting Input 4 - Non-inverting input for the fourth comparator.
The LM293ADR is commonly used in various applications such as voltage level detection, signal conditioning, and analog-to-digital conversion.

Manufacturer

The LM293ADR is manufactured by Texas Instruments (TI), a leading technology company known for designing and producing semiconductors and various electronic components. Texas Instruments specializes in analog and embedded processing products, serving a wide range of industries including automotive, industrial, communications, and consumer electronics. Founded in 1930, the company is headquartered in Dallas, Texas, and is recognized for its innovative solutions in signal processing and power management. The LM293ADR itself is a dual voltage comparator, commonly used in various electronic applications for comparing voltage levels.

Application

The LM293ADR is a dual comparator IC widely used in various applications, including voltage level detection, zero-crossing detection, signal conditioning, and sensor interfacing. It's suitable for use in automotive systems, industrial control circuits, and consumer electronics for tasks like over-voltage and under-voltage protection, hysteresis implementation, and oscillators. Its low power consumption and wide supply voltage range make it versatile for battery-powered devices and low-power applications.

Equivalent

Equivalent products to the LM293ADR operational amplifier include the LM393, LM339, and TLV2472, among others. For specific applications, you might also consider the MCP6002, OPA2134, or the TLV2462. Always check datasheets for pin configuration and performance characteristics to ensure compatibility.

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