LM393PT

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LM393PT

IC COMPARATOR 2 GEN PUR 8TSSOP

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Specifications

Part Status Obsolete
Base Product Number LM393
Type Standard (General Purpose)
Number of Elements 2
Output Type Open-Collector, Rail-to-Rail
Voltage - Supply, Single/Dual (±) 2V ~ 36V, ±1V ~ 18V
Voltage - Input Offset (Max) 7mV @ 5V
Current - Input Bias (Max) 0.25µA @ 5V
Current - Output (Typ) 16mA @ 5V
Current - Quiescent (Max) 1mA
Operating Temperature 0°C ~ 70°C
Package 8-TSSOP (0.173", 4.40mm Width)
Mounting Type Surface Mount
Supplier Device Package 8-TSSOP
Packaging Tape & Reel (TR)

Overview

Description

The LM393PT is a dual voltage comparator integrated circuit (IC) widely used in various electronic applications. It features two independent, high-speed voltage comparators that can compare two input voltages and output a digital signal indicating which is higher. The LM393 operates with a wide supply voltage range of 2V to 36V and offers a low input bias current, making it suitable for battery-operated devices.
The device's open-collector output allows for easy interfacing with other digital logic levels and can be used to drive LEDs or other loads. It's commonly found in applications such as zero-crossing detectors, signal level indicators, and analog-to-digital converters. The LM393's ability to handle both single-supply and dual-supply configurations adds to its versatility.
With a fast response time and low offset voltage, the LM393PT is a popular choice in consumer electronics, automotive systems, and industrial applications. Its dual comparator design enables the integration of multiple functions within a single package, simplifying circuit design and reducing component count.

Features

The LM393PT is a dual comparator integrated circuit featuring the following key characteristics:
1. Dual Comparators: Contains two independent, high-gain, frequency-compensated comparators.
2. Wide Voltage Range: Operates on a supply voltage from 2V to 36V, making it versatile for various applications.
3. Low Power Consumption: Typical supply current is low, enhancing efficiency in battery-operated devices.
4. Fast Response Time: Offers a response time of about 1.5 µs, suitable for high-speed applications.
5. Open-Collector Output: The output is open-collector, allowing for easy interfacing with different voltage levels.
6. Temperature Range: Designed to operate within a temperature range of -40°C to +125°C, suitable for harsh environments.
7. Small Package: Available in various packages, including DIP and SOIC, for flexibility in design.
The LM393PT is widely used in voltage level detection, analog signal processing, and various control applications.

Package

The LM393PT is typically packaged in a dual in-line package (DIP) format, specifically a 8-pin DIP. This package type allows for easy integration into circuit boards and is widely used in various electronic applications.

Pinout

The LM393PT is a dual comparator IC, typically housed in a 14-pin DIP package. It features two independent, high-gain, frequency-compensated voltage comparators.
### Pin Configuration:
1. Inverting Input (Comparator 1)
2. Non-Inverting Input (Comparator 1)
3. Output (Comparator 1)
4. Negative Power Supply (V-)
5. Emitter (Comparator 1)
6. Base (Comparator 1)
7. Inverting Input (Comparator 2)
8. Non-Inverting Input (Comparator 2)
9. Output (Comparator 2)
10. Negative Power Supply (V-)
11. Emitter (Comparator 2)
12. Base (Comparator 2)
13. NC (No Connection)
14. V+ (Positive Power Supply)
### Function:
The LM393PT is used for comparing two voltages and outputting a signal based on whether the non-inverting input is higher or lower than the inverting input. It operates over a wide range of supply voltages and can be used in various applications, including zero-crossing detectors, level shifters, and simple analog-to-digital conversion circuits.

Manufacturer

The LM393PT is manufactured by Texas Instruments (TI), a leading American technology company. Founded in 1930, Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits. The company is well-known for its innovations in analog and digital signal processing, microcontrollers, and calculators. TI serves diverse markets, including automotive, industrial, consumer electronics, and communications. The LM393PT is a dual comparator integrated circuit commonly used in various electronic applications for signal comparison and level detection.

Application

The LM393PT is a dual comparator used in various applications, including:
1. Voltage Level Detection: Monitoring voltage levels and triggering alerts.
2. Temperature Sensing: Used in temperature measurement circuits.
3. Zero-Crossing Detectors: For phase-locked loops and motor control.
4. Signal Conditioning: Enhancing signal integrity in analog systems.
5. Comparator Circuits: In oscillators, timers, and waveform generators.
6. Window Comparators: For applications requiring threshold detection.
Its versatility makes it suitable for both commercial and industrial electronics.

Equivalent

Equivalent products to the LM393PT include the LM2903, LM339, and TLV3701. These chips serve similar functions as dual comparator ICs. Ensure their voltage ratings, output types, and package options match your application needs before substitution. Always check the datasheets for specific characteristics and compatibility.

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.

Payments

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