Product Summary

The LM393 is a dual differential comparator. The LM393 consists of two independent voltage comparators that are designed to operate from a single power supply over a wide range of voltages. Operation from dual supplies also is possible as long as the difference between the two supplies is 2 V to 36 V, and VCC is at least 1.5 V more positive than the input common-mode voltage. Current drain is independent of the supply voltage. The outputs can be connected to other open-collector outputs to achieve wired-AND relationships. The LM393 is characterized for operation from 0℃ to 70℃.

Parametrics

LM393 absolute maximum ratings: (1)Supply voltage, VCC: 36 V; (2)Differential input voltage, VID: ±36 V; (3)Input voltage range, VI (either input): –0.3 V to 36 V; (4)Output voltage, VO: 36 V; (5)Output current, IO: 20 mA; (6)Duration of output short-circuit to ground: Unlimited; (7)Package thermal impedance, θJA: 97℃/W; (8)Case temperature for 60 seconds: 260℃; (9)Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds: 260℃; (10)Storage temperature range, Tstg: –65 to 150℃.

Features

LM393 features: (1)Single Supply or Dual Supplies; (2)Wide Range of Supply Voltage: 2 V to 36 V; (3)Low Supply-Current Drain Independent of Supply Voltage: 0.4 mA Typ Per Comparator; (4)Low Input Bias Current: 25 nA Typ; (5)Low Input Offset Current; (6)Low Input Offset Voltage: 2 mV Typ; (7)Common-Mode Input Voltage Range Includes Ground; (8)Differential Input Voltage Range Equal to Maximum-Rated Supply Voltage: ±6 V; (9)Low Output Saturation Voltage; (10)Output Compatible With TTL, MOS, and CMOS.

Diagrams

LM393 diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
LM393ADE4
LM393ADE4

Texas Instruments

Comparator ICs Dual Differential Comparator

Data Sheet

0-1: $0.28
1-25: $0.20
25-100: $0.16
100-250: $0.11
LM393ADRE4
LM393ADRE4

Texas Instruments

Comparator ICs Dual Differential Comparator

Data Sheet

0-1: $0.34
1-25: $0.19
25-100: $0.16
100-250: $0.11
LM393ADRG4
LM393ADRG4

Texas Instruments

Comparator ICs Dual Differential Comparator

Data Sheet

0-1: $0.23
1-25: $0.19
25-100: $0.14
100-250: $0.10
LM393APSRE4
LM393APSRE4

Texas Instruments

Comparator ICs Dual Differential Comparator

Data Sheet

0-1: $0.28
1-25: $0.18
25-100: $0.15
100-250: $0.12
LM393AMX
LM393AMX

Fairchild Semiconductor

Comparator ICs Dual Comparator

Data Sheet

0-1: $0.12
1-25: $0.10
25-100: $0.09
100-250: $0.08
LM393DRE4
LM393DRE4

Texas Instruments

Comparator ICs Dual Differential Comparator

Data Sheet

0-1: $0.19
1-25: $0.16
25-100: $0.12
100-250: $0.08
LM393M
LM393M

Fairchild Semiconductor

Comparator ICs Dual Comparator

Data Sheet

0-1: $0.24
1-25: $0.16
25-100: $0.13
100-250: $0.11
LM393DRG4
LM393DRG4

Texas Instruments

Comparator ICs Dual Differential Comparator

Data Sheet

0-1: $0.22
1-25: $0.18
25-100: $0.13
100-250: $0.09