LM293 datasheet(1/10 Pages) ONSEMI

No. de pieza	LM293

Descripción Electrónicos	Low Offset Voltage Dual Comparators

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Fabricante Electrónico	ONSEMI [ON Semiconductor]

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October, 2004 − Rev. 15

1

Publication Order Number:

LM393/D

LM393, LM293, LM2903,

LM2903V, NCV2903

Low Offset Voltage

Dual Comparators

The LM393 series are dual independent precision voltage

comparators capable of single or split supply operation. These devices

are designed to permit a common mode range−to−ground level with

single supply operation. Input offset voltage specifications as low as

2.0 mV make this device an excellent selection for many applications

in consumer, automotive, and industrial electronics.

Features

• Wide Single−Supply Range: 2.0 Vdc to 36 Vdc

• Split−Supply Range: ±1.0 Vdc to ±18 Vdc

• Very Low Current Drain Independent of Supply Voltage: 0.4 mA

• Low Input Bias Current: 25 nA

• Low Input Offset Current: 5.0 nA

• Low Input Offset Voltage: 5.0 mV (max) LM293/393

• Input Common Mode Range to Ground Level

• Differential Input Voltage Range Equal to Power Supply Voltage

• Output Voltage Compatible with DTL, ECL, TTL, MOS, and CMOS

Logic Levels

• ESD Clamps on the Inputs Increase the Ruggedness of the Device

without Affecting Performance

• NCV Prefix for Automotive and Other Applications Requiring Site

and Control Changes

• Pb−Free Packages are Available

VCC

+ Input

− Input

Output

Q3

R4

Q4

Q5

R2

Q6

Q14

Q16

Q15

Q12

Q11

Q10

Q9

Q8

Q2

Q1

F1

2.0 k

2.1 k

R1

4.6 k

Figure 1. Representative Schematic Diagram

(Diagram shown is for 1 comparator)

See detailed ordering and shipping information and marking

information in the package dimensions section on pages 6

and 7 of this data sheet.

DEVICE MARKING & ORDERING

INFORMATION

PDIP−8

N SUFFIX

CASE 626

1

8

SOIC−8

D SUFFIX

CASE 751

1

8

PIN CONNECTIONS

(Top View)

GND

Inputs A

Inputs B

Output B

Output A

VCC

−

+

1

2

3

4

8

7

6

5

http://onsemi.com

Micro8

E

DM SUFFIX

CASE 846A

8

1

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