Texas Instruments LM311D, Comparator Open Collector/Emitter O/P, 0.165μs 5 → 28 V 8-Pin SOIC

Texas Instruments

Product Information

Typical Dual Supply Voltage:
±12 V, ±3 V, ±5 V, ±9 V
Comparator Type:
General Purpose
Dimensions:
4.9 x 3.91 x 1.58mm
Mounting Type:
Surface Mount
Power Supply Type:
Dual, Single
Number of Channels per Chip:
1
Typical Single Supply Voltage:
5 → 28 V
Output Type:
Open Collector/Emitter
Height:
1.58mm
Width:
3.91mm
Length:
4.9mm
Package Type:
SOIC
Minimum Operating Temperature:
0 °C
Typical Response Time:
0.165µs
Typical Voltage Gain:
106.02 dB
Maximum Operating Temperature:
+70 °C
Pin Count:
8
HTSUS:
8542.39.0060
RoHS Status:
ROHS3 Compliant
Current - Input Bias (Max):
0.25µA @ ±15V
Current - Quiescent (Max):
7.5mA
Operating Temperature:
0°C ~ 70°C
Voltage - Supply, Single/Dual (±):
3.5V ~ 30V, ±1.75V ~ 15V
Package / Case:
8-SOIC (0.154", 3.90mm Width)
Type:
General Purpose
Propagation Delay (Max):
-
title:
LM311D
REACH Status:
REACH Unaffected
Output Type:
MOS, Open-Collector, Open-Emitter, TTL
Hysteresis:
-
edacadModel:
LM311D Models
edacadModelUrl:
/en/models/277037
CMRR, PSRR (Typ):
-
Manufacturer:
Texas Instruments
Voltage - Input Offset (Max):
7.5mV @ ±15V
Moisture Sensitivity Level (MSL):
1 (Unlimited)
Current - Output (Typ):
-
standardLeadTime:
6 Weeks
Mounting Type:
Surface Mount
Series:
-
Supplier Device Package:
8-SOIC
Packaging:
Tube
Number of Elements:
1
Base Product Number:
LM311
ECCN:
EAR99
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The Texas Instruments LM311D is a high-speed voltage comparator designed for precision switching and signal comparison in analogue and digital interface circuits. With an operating supply range of 5 V to 28 V and a typical response time of 0.165 μs, the LM311D is suitable for timing, waveform shaping, zero-cross detection, and control system feedback applications. The 8-pin SOIC package supports compact PCB layout and reliable surface-mount assembly in industrial and instrumentation designs.

What Benefits Does It Offer to Users?

  • Open-collector/open-emitter output allows flexible pull-up interfacing.
  • Response time of approximately 0.165 μs for high-speed switching.
  • Operates across a wide 5 V to 28 V supply range.
  • Capable of driving relays, lamps, and other medium-power loads.
  • Input capability includes common-mode voltages near ground potential.
  • 8-pin SOIC package enables compact surface-mount integration.

Created for Signal Conditioning and Control

The LM311D is designed for reliable comparison of analogue input levels when clear switching transitions are required. Its high input sensitivity and fast response enable precise edge detection and threshold monitoring. The open output configuration provides compatibility with varied system logic levels and external load conditions.

Typical Uses of the Texas Instruments Comparator Open Collector/Emitter

  • Level detection in power and control circuits.
  • Comparator stage in waveform generators and pulse-shaping networks.
  • Signal threshold monitoring in measurement or instrumentation systems.
  • Feedback and regulation loops in motor and process control electronics.
  • Logic interfacing where clean digital transitions from analogue signals are required.

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ESD Control Selection Guide V1(Technical Reference)
pdf icon
Mult Dev Assembly/Wafer Site 13/Jun/2024(PCN Assembly/Origin)
pdf icon
Mult Dev 27/Jul/2023(PCN Design/Specification)
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Mult Devices Font 21/Apr/2018(PCN Design/Specification)

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