Datasheet LM393A, LM2903, LM393 Datasheet (Fairchild Semiconductor)

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LM2903/LM2903I,LM393/LM393A,
LM293/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 800µA Typ .

• Compatible with all Forms of Logic

• Low Input Bi as Current 25nA Typ.

• Low Input Offset Current ±5nA Typ.

• Low Offset Voltage ±1mV Typ.

Internal Block Diagram

Description

The LM2903/LM2903I, LM393/LM393A, LM293/
LM293A consist of two independent voltage comparat ors
designed to operate from a single power supply over a wide
voltage range.

8-DIP

1

8-SOP

1

©2001 Fairchild Semiconductor Corporation

Rev. 1.0.3

LM2903/LM2903I,LM393/LM393A, LM293/LM293A

Schematic Diagram

Absolute Maximum Ratings

Parameter Symbol Value Unit

Power Supply Voltage V
Differential Input Voltage V
Input Voltage V
Output Short Circuit to GND - Continuous ­Power Dissipation, Ta = 25°C

8-DIP
8-SOP

Operating Temperature
LM393/LM393A
LM2903
LM2903I
LM293/LM293A

Storage Temperature T

CC

I(DIFF)

I

P

D

T

OPR

STG

±18 or 36 V

36 V

- 0.3 to +36 V

1040

480

0 ~ +70

- 40 ~ +85

-40 ~ +105

-25 ~ +85

- 65 ~ +150 °C

mW

°C

Thermal Data

Parameter Symbol Value Unit

Thermal Resistance Junction-Ambient Max.
8-DIP
8-SOP

Rθja 120

260

°C/W

2

Electrical Characteristics

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

LM2903/LM2903I,LM393/LM393A, LM293/LM293A

Parameter Symbol Conditions

V

=1.4V, RS = 0Ω - ±1 ±2-±1 ±5

Input Offset
Voltage

Input Offset
Current

Input Bias
Current

V

I

IO

I

BIAS

IO

O(P)

= 0 to1.5V Note 1 - - ±4.0 - - ±9.0

V

CM

Note 1 - - ±150 - - ±150

Note 1 - - 400 - - 400

Input Common
Mode
Voltage Range

Supply Current I

Voltage Gain G
Large Signal

Response
Time

Response
Time

Output Sink
Current

Output
Saturation
Voltage

Output
Leakage
Current

V

I(R)

CC

V

T

LRES

T

RESVRL

I

SINK

V

SAT

I

O(LKG)

Note 1 0 - V

RL = ∞ , VCC = 5V - 0.6 1 - 0.6 1

= ∞, VCC = 30V - 0.8 2.5 - 0.8 2.5

R

L

VCC =15V, R
(for large V

≥ 15KΩ

L

O(P-P)swing

VI =TTL Logic Swing
V

=1.4V, VRL = 5V,

REF

R

= 5.1KΩ

L

=5V, RL =5.1KΩ -1.4- - 1.4 - µS

V

≥ 1V, V

I(-)

V

≤1.5V

O(P)

V

≥ 1V, VI(+) = 0V - 160 400 - 160 400

I(-)

= 4mA Note 1 - - 700 - - 700

I

SINK

V

= 0V,

I(-)

V

= 1V

I(+)

I(+)

=0V,

V

O(P)

V

O(P)

LM293A/LM393A LM293/LM393

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

Unit

- ±5 ±50 - ±5 ±50

- 65 250 - 65 250

V

0-

)

50 200 - 50 200 - V/mV

CC

-1.5

CC

0-

-2 0 - VCC-2

V

CC

-1.5

- 350 - - 350 - nS

618 - 6 18 -mA

= 5V - 0.1 - - 0.1 - nA
= 30V - - 1.0 - - 1.0 µA

mV

nA

nA

V

mA

mV

NOTE 1

LM393/LM393A: 0 ≤ T
LM2903: -40 ≤ T
LM2903I: -40 ≤ T
LM293/LM293A : -25 ≤ T

≤ +85°C

A

≤ +105°C

A

A

≤ +70°C

≤ +85°C

A

3

LM2903/LM2903I,LM393/LM393A, LM293/LM293A

Electrical Characteristics

(Continued)

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

Parameter Symbol Conditions

V

=1.4V, RS = 0Ω - ±1 ±7

Input Offset Voltage V

Input Offset Current I

Input Bias Current I

Input Common Mode
Voltage Range

BIAS

V

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)

IO

IO

I(R)

CC

V

RES

SAT

O(P)

= 0 to 1.5V Note 1 - ±9 ±15

V

CM

RL = ∞, VCC = 5V - 0.6 1

= ∞, VCC = 30V - 1 2.5

R

L

VCC =15V, R
(for large V

≥15KΩ

L

O(P-P)swing

VI =TTL Logic Swing
V

=1.4V, VRL = 5V, RL = 5.1KΩ

REF

VRL = 5V, RL = 5.1KΩ -1.5 - µS
V

≥ 1V, V

I(-)

V

≥ 1V, VI(+) = 0V - 160 400

I(-)

= 4mA Note 1 - - 700

I

SINK

V

= 0V, V

I(-)

V

= 1V V

I(+)

I(+)

= 0V, V

LM2903/LM2903I

Min. Typ. Max.

- ±5 ±50

Note 1 - ±50 ±200

- 65 250

Note 1 - - 500

V

0-

Note 1 0 - V

)

25 100 - V/mV

CC

-1.5

CC

- 350 - nS

≤ 1.5V 6 16 - mA

O(P)

= 5V - 0.1 - nA

O(P)

= 30V - - 1.0 µA

O(P)

Unit

mV

nA

nA

V

-2
mA

mV

Note 1

LM393/LM393A: 0 ≤ T
LM2903: -40 ≤ T
LM2903I: -40 ≤ T
LM293/LM293A : -25 ≤ T

≤ +85°C

A

≤ +105°C

A

A

≤ +70°C

≤ +85°C

A

4

Typical Performance Characteristics

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

LM2903/LM2903I,LM393/LM393A, LM293/LM293A

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

Figure 5. Response Time for Various Input

Overdrive-Positive Transition

Overdrive-Negative Tr ansition

5

LM2903/LM2903I,LM393/LM393A, LM293/LM293A

Mechanical Dimensions

Package

6.40

±0.20

±0.008

0.252

8-DIP

Dimensions in millimeters

0.79

0.031

()

±0.10

±0.004

±0.10

±0.004

#1

#8

#4 #5

7.62

0.300

MAX

9.60

0.378

5.08

0.200

3.40

0.134

±0.20

9.20

MAX

±0.20

±0.008

±0.008

0.362

0.33

0.013

MIN

0.46

3.30

0.130

2.54

±0.30
±0.012

0.018

0.100

1.524

0.060

+0.10

0.25

–0.05

+0.004

0.010

–0.002

0~15°

6

LM2903/LM2903I,LM393/LM393A, LM293/LM293A

Mechanical Dimensions

Package

#1

#4

6.00 ±0.30

0.006

0.15

0.236 ±0.012

(Continued)

8-SOP

1.55 ±0.20

0.061 ±0.008

#8

#5

MAX

5.13

0.202

1.80

0.071

Dimensions in millimeters

0.1~0.25

MIN

0.004~0.001

0.56

4.92 ±0.20

0.194 ±0.008

MAX

1.27

0.022

()

0.41 ±0.10

0.016 ±0.004

0.050

+

-0.002

-0.05

0.004

0.50 ±0.20

0.020 ±0.008

+

0.10

3.95 ±0.20

0.156 ±0.008

5.72

0.225

0~8°

MAX0.10

MAX0.004

7

LM2903/LM2903I,LM393/LM393A, LM293/LM293A

Ordering Information

Product Number Package Operating Temperature

LM393N

LM393AN

LM393M

LM393AM

LM2903N 8-DIP

LM2903M 8-SOP
LM2903IN 8-DIP
LM2903IM 8-SOP

LM293N

LM293AN

LM293M

LM293AM

8-DIP

0 ~ + 70°C

8-SOP

-40 ~ + 85°C

-40 ~ + 105°C

8-DIP

-25 ~ + 85°C

8-SOP

DISCLAIMER

FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURT HER NOTICE TO ANY
PRODUCTS HEREI N TO IMPROVE RELIABILITY, FUNCTIO N OR DESIGN. FAIRCH IL D DOES NOT ASSUME ANY
LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER
DOES IT CONVEY ANY LICENSE UNDER IT S PATENT RIGHTS, NOR THE RIGHTS OF OTHE RS.

LIFE SUPPORT POL I CY

FAIRCHILD’S PR ODUCTS ARE NOT AUTH ORIZED FOR USE AS C RITICAL COMPONENT S IN LIFE SUPPORT DE VICES
OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR
CORPORATION. As used herein :

1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the body,
or (b) support or sustain life, and (c) whose failure to
perform when properly used in accordance with
instructions for use provided in the labeling, can be
reasonably expected to result in a significant injury of the
user.

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2. A critical component in any component of a life support
device or sy stem whose fai lure to perform can be
reasonably expec ted to cause the failur e of the life support
device or system, or to affect its safety or effec t iv ene ss .

12/21/01 0.0m 001

 2001 Fairchild Semiconductor Corporation

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