• LM393DGKR VSSOP-8
LM393DGKR VSSOP-8

LM393DGKR

Comparator Dual R-R O/P 30V 8-Pin VSSOP T/R

Quantity Unit Price(USD) Ext. Price
5 $0.181 $0.90
50 $0.148 $7.40
150 $0.135 $20.25
500 $0.117 $58.50
2500 $0.099 $247.50
5000 $0.094 $470.00

Inventory:8,367

*The price is for reference only.
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Overview of LM393DGKR

The LM393DGKR is a dual differential comparator IC that offers precision voltage comparison functionality in various electronics applications. This IC includes two independent voltage comparators with open-collector outputs, making it suitable for use in both analog and digital circuits.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VCC: Positive Power Supply
  • IN+ A: Non-Inverting Input A
  • IN- A: Inverting Input A
  • VEE: Negative Power Supply
  • OUT A: Output A
  • OUT B: Output B
  • IN- B: Inverting Input B
  • IN+ B: Non-Inverting Input B
  • GND: Ground

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LM393DGKR IC for a visual representation.

Key Features

  • Dual Differential Comparators: The LM393DGKR includes two voltage comparators for versatile voltage monitoring applications.
  • Open-Collector Outputs: The open-collector outputs allow for easy interfacing with different logic levels and devices.
  • Wide Power Supply Range: Operates with a wide supply voltage range, making it compatible with various systems.
  • Low Input Offset Voltage: Provides precise and accurate voltage comparisons for reliable operation.
  • High-Speed Response: Offers fast response times for rapid detection of voltage changes.

Note: For detailed technical specifications, please refer to the LM393DGKR datasheet.

Application

  • Voltage Monitoring: Ideal for monitoring voltage levels and triggering actions based on predefined thresholds.
  • Signal Conditioning: Suitable for signal conditioning applications where precise voltage comparison is required.
  • Overvoltage Protection: Can be used in overvoltage protection circuits to trigger protective measures.

Functionality

The LM393DGKR is designed to compare two input voltages and provide a digital output based on the comparison result. It is commonly used in applications requiring voltage monitoring and decision-making based on voltage levels.

Usage Guide

  • Power Supply: Connect VCC (Pin 1) to the positive power supply and VEE (Pin 4) to the negative power supply.
  • Input Connections: Apply the voltages to be compared to the non-inverting (IN+ A, IN+ B) and inverting (IN- A, IN- B) inputs.
  • Output Handling: Utilize the open-collector outputs (OUT A, OUT B) with external pull-up resistors for logic level signaling.

Frequently Asked Questions

Q: What is the input offset voltage of the LM393DGKR?
A: The LM393DGKR has a low input offset voltage, typically in the range of a few millivolts, ensuring accurate voltage comparisons.

Q: Can the LM393DGKR operate at high frequencies?
A: The LM393DGKR is designed for general-purpose voltage comparison and is suitable for moderate-speed applications.

Equivalent

For similar functionalities, consider these alternatives to the LM393DGKR:

  • LM2903: A dual voltage comparator IC offering comparable performance characteristics to the LM393DGKR.
  • LM339: This is a quad voltage comparator IC suitable for applications requiring multiple comparator channels.

LM393DGKR

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Number of channels 2 Output type Open-collector
Propagation delay time (µs) 1.3 Vs (max) (V) 36
Vs (min) (V) 2 Vos (offset voltage at 25°C) (max) (mV) 5
Iq per channel (typ) (mA) 0.225 Input bias current (±) (max) (nA) 50
Rail-to-rail Out Rating Catalog
Operating temperature range (°C) 0 to 70 Features Standard comparator
VICR (max) (V) 34.5 VICR (min) (V) 0

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