LM311N/NOPB
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National Semiconductor LM311N/NOPB

Manufacturer No:
LM311N/NOPB
Manufacturer:
National Semiconductor
Package:
Bulk
Description:
LM311-N PRECISION, HIGH VOLTAGE,
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The LM311N/NOPB is a high-performance voltage comparator designed for a wide range of applications. Originally developed by National Semiconductor and now produced by Texas Instruments, this device is known for its low input current, high voltage gain, and compatibility with various logic families. The LM311N/NOPB operates from a single 5V supply or dual supplies up to ±15V, making it versatile for different system requirements.

Key Specifications

ParameterMinTypMaxUnits
Total Supply Voltage--36V
Differential Input Voltage--±30V
Input Offset Voltage2.07.5-mV
Input Offset Current6.0-50nA
Input Bias Current100-250nA
Voltage Gain40-200V/mV
Response Time--200ns
Saturation Voltage0.75-1.5V
Operating Temperature Range0-70°C

Key Features

  • Low input current: 150 nA max over temperature.
  • High voltage gain: 40 to 200 V/mV.
  • Wide supply voltage range: Single 5V to dual ±15V supplies.
  • Output compatible with RTL, DTL, MOS, and TTL logic families.
  • Ability to drive loads up to 50V at currents as high as 50 mA.
  • Offset balancing and strobe capability.
  • Output can be wire OR'ed.

Applications

The LM311N/NOPB is suitable for a variety of applications, including:

  • Analog-to-digital converters.
  • Threshold detectors.
  • Window comparators.
  • High-speed logic circuits.
  • Relay and lamp drivers.
  • Industrial control systems.

Q & A

  1. What is the operating temperature range of the LM311N/NOPB?
    The operating temperature range is 0°C to 70°C.
  2. What is the maximum differential input voltage for the LM311N/NOPB?
    The maximum differential input voltage is ±30V.
  3. Can the LM311N/NOPB operate on a single supply voltage?
    Yes, it can operate on a single 5V supply or dual supplies up to ±15V.
  4. What is the typical response time of the LM311N/NOPB?
    The typical response time is 200 ns.
  5. Is the LM311N/NOPB compatible with TTL logic?
    Yes, it is compatible with TTL, DTL, MOS, and RTL logic families.
  6. What is the maximum output current of the LM311N/NOPB?
    The maximum output current is up to 50 mA.
  7. Does the LM311N/NOPB have strobe capability?
    Yes, it has offset balancing and strobe capability.
  8. Can the outputs of the LM311N/NOPB be wire OR'ed?
    Yes, the outputs can be wire OR'ed.
  9. What is the input offset voltage of the LM311N/NOPB?
    The input offset voltage is typically 7.5 mV.
  10. Is the LM311N/NOPB RoHS compliant?
    Yes, the LM311N/NOPB is RoHS compliant.

Product Attributes

Type:General Purpose
Number of Elements:1
Output Type:DTL, MOS, Open-Collector, Open-Emitter, RTL, TTL
Voltage - Supply, Single/Dual (±):5V ~ 36V, ±2.5V ~ 18V
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
Package / Case:8-DIP (0.300", 7.62mm)
Mounting Type:Through Hole
Supplier Device Package:8-PDIP
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Similar Products

Part Number LM311N/NOPB LM319N/NOPB LM311H/NOPB LM311M/NOPB
Manufacturer National Semiconductor Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Active
Type General Purpose General Purpose General Purpose General Purpose
Number of Elements 1 2 1 1
Output Type DTL, MOS, Open-Collector, Open-Emitter, RTL, TTL DTL, Open-Collector, Open-Emitter, RTL, TTL DTL, MOS, Open-Collector, Open-Emitter, RTL, TTL DTL, MOS, Open-Collector, Open-Emitter, RTL, TTL
Voltage - Supply, Single/Dual (±) 5V ~ 36V, ±2.5V ~ 18V 5V ~ 36V, ±2.5V ~ 18V 5V ~ 36V, ±2.5V ~ 18V 5V ~ 36V, ±2.5V ~ 18V
Voltage - Input Offset (Max) 7.5mV @ ±15V 8mV @ ±15V 7.5mV @ ±15V 7.5mV @ ±15V
Current - Input Bias (Max) 0.25µA @ ±15V 1µA @ ±15V 0.25µA @ ±15V 0.25µA @ ±15V
Current - Output (Typ) 50mA - - -
Current - Quiescent (Max) 7.5mA 12.5mA 7.5mA 7.5mA
CMRR, PSRR (Typ) - - - -
Propagation Delay (Max) - - - -
Hysteresis - - - -
Operating Temperature 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C
Package / Case 8-DIP (0.300", 7.62mm) 14-DIP (0.300", 7.62mm) TO-99-8 Metal Can 8-SOIC (0.154", 3.90mm Width)
Mounting Type Through Hole Through Hole Through Hole Surface Mount
Supplier Device Package 8-PDIP 14-PDIP TO-99-8 8-SOIC

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