Datasheet LM2903N, LM2903YPT Specification

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8-DIP

8-SOIC

OUTPUT2

IN2 (-)

IN2 (+)

OUTPUT1

IN1 (-)

IN1 (+)

GND

LM2903,LM393/LM393A,LM293A

Dual Differential Comparator

Features

• Single Supply Operation: 2V to 36V

• Dual Supply Operation: 1V to 18V

• Allow Comparison of Voltages Near Ground Potential

•Low Current Drain 800A Typ.

• Compatible with all Forms of Logic

• Low Input Bias Current 25nA Typ.

• Low Input Offset Current 5nA Typ.

• Low Offset Voltage 1mV Typ.

Internal Block Diagram

Description

The LM2903, LM393/LM393A, LM293A consist of two independent voltage comparators designed to operate from a single power supply over a wide voltage range.

Rev. 2.0.2

Page 3

LM2903,LM393/LM393A,LM293A

Q5 Q6

OUTPUT

Q12

Q13

Q14

IN (-)

GND

IN (+)

Schematic Diagram

Absolute Maximum Ratings

Parameter Symbol Value Unit

Power Supply Voltage V Differential Input Voltage V Input Voltage V

I(DIFF)

Output Short Circuit to GND - Continuous Power Dissipation, T

8-DIP

= 25C

8-SOIC Operating Temperature

LM393/LM393A LM2903 LM293A

Storage Temperature T

Thermal Data

Parameter Symbol Value Unit

OPR

STG

Thermal Resistance Junction-Ambient Max. 8-DIP

ja

8-SOIC

18 or 36 V

36 V

-0.3 to +36 V

1040

480

0 ~ +70

-40 ~ +105

-25 ~ +85

-65 ~ +150 C

120 260

C

C/W

Page 4

Electrical Characteristics

(VCC = 5V, TA = 25C, unless otherwise specified)

LM2903,LM393/LM393A,LM293A

Parameter Symbol Conditions

=1.4V, RS = 0 - 1 2-1 5

Input Offset Voltage

Input Offset Current I

Input Bias Current I

BIAS

O(P)

= 0 to 1.5V Note1 - - 4.0 - - 9.0

Note1 - - 150 - - 150

Note1 - - 400 - - 400

Input Common Mode Voltage Range

Supply Current I

Voltage Gain G

Large Signal Response Time

Response Time T Output Sink Current I

Output Saturation Voltage

Output Leakage Current

I(R)

LRES

RES

SINK

SAT

O(LKG)

Note1 0 - V RL = VCC = 5V - 0.6 1 - 0.6 1 R

= , VCC = 30V - 0.8 2.5 - 0.8 2.5

VCC =15V, RL 15k (for large V

O(P-P)swing

VI =TTL Logic Swing V

=1.4V, VRL = 5V,

REF

= 5.1k

VRL =5V, RL =5.1k -1.4- -1.4-S V

1V, V

I(-)

1.5V

O(P)

1V, VI(+) = 0V - 160 400 - 160 400

I(-)

= 4mA Note1 - - 700 - - 700

SINK

= 0V,

I(-)

= 1V

I(+)

=0V,

LM293A/LM393A LM393

Min. Typ. Max. Min. Typ. Max.

- 5 50 - 5 50

-65250-65250

)

50 200 - 50 200 - V/mV

-1.5

-2 0 - VCC-2

- 350 - - 350 - nS

618- 618-mA

= 5V - 0.1 - - 0.1 - nA

O(P)

= 30V - - 1.0 - - 1.0 A

O(P)

-1.5

Unit

Note1

LM393/LM393A: 0 T LM2903: -40  T LM293A : -25 T

+105C

 +85C

+70C

Page 5

LM2903,LM393/LM393A,LM293A

Electrical Characteristics (Continued)

(VCC = 5V, TA = 25C, unless otherwise specified)

Parameter Symbol Conditions

=1.4V, RS = 0 - 1 7

Input Offset Voltage V

Input Offset Current I

Input Bias Current I

Input Common Mode Voltage Range

BIAS

Supply Current I

Voltage Gain G

Large Signal Response Time T

LRES

Response Time T Output Sink Current I

SINK

Output Saturation Voltage V

Output Leakage Current I

O(LKG)

I(R)

RES

SAT

O(P)

= 0 to 1.5V Note1 - 9 15

Note1 - 50 200

Note1 - - 500

Note1 0 - V RL = , VCC = 5V - 0.6 1 R

= , VCC = 30V - 1 2.5

VCC =15V, RL15k (for large V

O(P-P)swing

)

VI =TTL Logic Swing V

=1.4V, VRL = 5V, RL = 5.1k

REF

VRL = 5V, RL = 5.1k -1.5- S V

1V, V

I(-)

1V, VI(+) = 0V - 160 400

I(-)

= 4mA Note1 - - 700

SINK

= 0V, V

I(-)

= 1V V

I(+)

= 0V, V

O(P)

O(P) O(P)

LM2903

Unit

Min. Typ. Max.

- 5 50

-65250

-1.5

-2 mA

25 100 - V/mV

- 350 - nS

1.5V 6 16 - mA

= 5V - 0.1 - nA = 30V - - 1.0 A

Note1

LM393/LM393A: 0 T LM2903: -40 T LM293A : -25 T

 +105C

 +85C

+70C

Page 6

Typical Performance Characteristics

Figure 1. Supply Current vs Supply Voltage Figure 2. Input Current vs Supply Voltage

LM2903,LM393/LM393A,LM293A

Figure 3. Output Saturation Voltage vs Sink Current Figure 4. Response Time for Various Input

Overdrive-Negative Transition

Figure 5. Response Time for Various Input

Overdrive-Positive Transition

Page 7

LM2903,LM393/LM393A,LM293A

7° TYP

.430 MAX

[10.92]

.400 .373

[

10.15

9.46

]

.250±.005 [6.35±0.13]

.036 [0.9 TYP]

.070 .045

[

1.78

1.14

]

.100

[2.54]

.300

[7.62]

.060 MAX

[1.52]

.310±.010 [7.87±0.25]

.130±.005 [3.3±0.13]

.210 MAX

[5.33]

.140 .125

[

3.55

3.17

]

.015 MIN

[0.38]

.021 .015

[

0.53

0.37

]

.010

+.005

-.000

[0.254

+0.127

-0.000

]

PIN #1

(.032) [R0.813]

(.092) [Ø2.337]

TOP VIEW OPTION 1

TOP VIEW OPTION 2

.001[.025] C

N08EREVG

C. DOES NOT INCLUDE MOLD FLASH OR PROTRUSIONS.

DAMBAR PROTRUSIONS SHALL NOT EXCEED

D. DOES NOT INCLUDE DAMBAR PROTRUSIONS.

B. CONTROLING DIMENSIONS ARE IN INCHES

A. CONFORMS TO JEDEC REGISTRATION MS-001,

MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED

VARIATIONS BA

E. DIMENSIONING AND TOLERANCING

NOTES:

REFERENCE DIMENSIONS ARE IN MILLIMETERS

.010 INCHES OR 0.25MM.

PER ASME Y14.5M-1994.

8-DIP

Mechanical Dimensions

Package

Dimensions in millimeters

Page 8

Mechanical Dimensions (Continued)

8-SOIC

Package

LM2903,LM393/LM393A,LM293A

Dimensions in millimeters

Page 9

LM2903,LM393/LM393A,LM293A

Ordering Information

Product Number Operating Temperature Package Packing Method

LM393N

LM393AN Rail

LM393M

LM393MX Tape & Reel

0 ~ +70C

LM393AM Rail

LM393AMX Tape & Reel

LM2903N

LM2903M

-40 ~ +105C

LM2903MX Tape & Reel

LM293AN -25 ~ +85C 8-DIP Rail

8-DIP

8-SOIC

8-DIP Rail

8-SOIC

Rail

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7/24/12 0.0m 001

 2012 Fairchild Semiconductor Corporation

Stock#DS400295

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