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See Technical Specifications

LM311DT +BOM

Voltage comparator with strobe

Manufacturer:

STMicroelectronics, Inc
Mfr.Part #:

LM311DT
Datasheet:

LM311DT Datasheet (PDF)
Type:

General Purpose
Number Of Elements:

1
Output Type:

DTL, MOS, Open-Collector, Open-Emitter, RTL, TTL
Voltage - Supply, Single/Dual (±):

5V ~ 30V, ±2.5V ~ 15V
EDA/CAD Models:

Request Free CAD Models for LM311DT

LM311DT Information

Description

The LM311DT is a high-precision voltage comparator from Texas Instruments that operates over a wide range of voltages with a single power supply. It features differential inputs for precise comparisons, open-collector outputs for flexibility in circuit design, and short-circuit protection to prevent damage. This device offers TTL-compatible outputs, making it easy to integrate into existing systems, and has a low power consumption for energy efficiency. The LM311DT is suitable for various applications such as industrial control systems, automation, motor control, power management, and sensor interfaces in electronic systems and devices.

Features

Based on the product information provided, some of the key features of the LM311DT are:

Open-collector output for flexibility in circuit design
Differential inputs for precise voltage comparisons
TTL-compatible outputs for easy integration into existing systems
Short-circuit protection to prevent damage to the device or connected components
Low power consumption for energy efficiency

These features make the LM311DT suitable for use in a variety of applications, including industrial control systems, automation, motor control, and sensor interfaces.

Package

The package type of LM311DT is SO-8 (Small Outline-8).

Pinout

The LM311DT is a comparator IC packaged in an SO-8 package, which has 8 pins.

Here's a concise breakdown of the pin functions:

Pin 1: VCC (Positive Supply Voltage)
Pin 2: OUT (Open Collector Output)
Pin 3: IN+ (Non-Inverting Input)
Pin 4: IN- (Inverting Input)
Pin 5: NC (No Connection)
Pin 6: GND (Ground)
Pin 7: VCC (Positive Supply Voltage, same as Pin 1)
Pin 8: OUT (Open Collector Output, same as Pin 2)

The LM311DT has an open-collector output, which means it can be connected to a pull-up resistor or another device that provides the necessary voltage for the output signal.

Manufacturer

The manufacturer of the LM311DT is Texas Instruments, a leading global semiconductor design and manufacturing company that specializes in analog and embedded processing technologies.

Applications

According to the product information, the LM311DT is commonly used in:

Voltage comparators
Pulse-width modulation (PWM) circuits
Voltage-controlled oscillators
Digital-to-analog converters (DACs)

It's also utilized in various electronic systems and devices for applications such as:

Automation
Motor control
Power management
Sensor interfaces

Equivalent

The equivalent products of LM311DT are:

LM339
LM2901
TLC272
TLC273

These devices offer similar voltage comparator functionality with slight variations in specifications, such as operating voltage range or output current.

Specifications

Category	Integrated Circuits (ICs)LinearComparators	Series	-
Type	General Purpose	Number of Elements	1
Output Type	DTL, MOS, Open-Collector, Open-Emitter, RTL, TTL	Voltage - Supply, Single/Dual (±)	5V ~ 30V, ±2.5V ~ 15V
Voltage - Input Offset (Max)	7.5mV @ ±15V	Current - Input Bias (Max)	0.25µA @ ±15V
Current - Output (Typ)	50mA	Current - Quiescent (Max)	7.5mA
CMRR, PSRR (Typ)	-	Propagation Delay (Max)	-
Hysteresis	-	Operating Temperature	0°C ~ 70°C
Mounting Type	Surface Mount	Base Product Number	LM311
Package/Case	SOP-8