LM393M datasheet(1/2 Pages) ESTEK

Part #	LM393M

Description	Dual Differential Comparators

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Manufacturer	ESTEK [Estek Electronics Co. Ltd]

Direct Link	http://www.estek.com.cn/en/index.asp

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1

DESCRIPTION

The LM393 consists of two independent voltage comparators. These were designed specifically to operate

from a single power supply over a wide range of voltages. Operation from split power supplies is also

possible and the low power supply current drain is independent of the magnitude of the power supply

voltage. The outputs can be connected to other open-collector outputs to achieve wired-AND relationships.

FEATURES

Wide supply voltage range

Low supply current drain independent of supply

voltage.

Low input biasing current

Low input offset current

Low input offset voltage

Input common-mode voltage range includes GND

Differential input voltage range equal to the power

supply voltage

Low output saturation voltage

Output voltage compatible with TTL, MOS and CMOS

logic

PACKAGE INFORMATION

ELECTRICAL CHARACTERISTICS

at specified free-air temperature, VCC = 5 V (unless otherwise noted)

PARAMETER

TEST CONDITIONS*

MIN

TYP

MAX

UNIT

VIO

Vcc = 5V to 30V,

25

°

2

5

mV

Input offset voltage

VIC = VICR min,

Vo=1.4V

Full range

9

lIO

Vo=1.4V

25

°

5

50

nA

Input offset current

Full range

150

IIB

Vo=1.4V

25

°

-25

-250

nA

Input bias current

Full range

-400

VICR

25

°

0 to Vcc-1.5

V

Common-mode input voltage

range**

Full range

0 to Vcc - 2

AVD

Large-signal differential

Vcc = 15 V,

Vo=1.4V to 11.4 V,

25

°

50

200

V/mV

voltage amplification

RL ≥ 15 kΩ tO VCC

lOH

VOH=5 V, VID=1V,

25

°

0.1

50

nA

High-level output current

VOH= 30V, VID=1V

Full range

1

µA

VOL

IOL = 4 mA, VID=-1V

25

°

150

400

mV

Low-level output voltage

Full range

700

lOL

Low-level output current

VOL= 1.5V, VID=-1V

25

°

6

mA

ICC

RL = ∞

VCC = 5V

25

°

0.8

1

mA

Supply current

VCC = 30V

Full range

2.5

* Full range (MIN to MAX), for the LM393 is

° to 70 ° . All characteristics are measured with zero common-mode input

voltage unless otherwise specified.

** The voltage at either input or common-mode should not be allowed to go negative by more than 0.3V. The upper end of

the common-mode voltage range is VCC -1.5V, but either or both inputs can go to 30V without damage.

SWITCHING CHARACTERISTICS

SWITCHING CHARACTERISTICS,,,, VCC=5V, A=25 0C

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Response time

RL connected to 5V

through 5.1 k

Ω,

100 -mV input step with 5-mV overdrive

1.3

µs

CL=15pF* (See Note 1)

TTL-level input step

0 .3

* CL includes probe and jig capacitance.

NOTE 1: The response time specified is the interval between the input step function and the instant when the output

crosses 1.4V.

LM393M

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