LM393D - Fairchild Semiconductor

www.fairchildsemi.com

Rev. 1.0.3

Features

• Single Supply Operation: 2V to 36V

• Dual Supply Opera ti o n: ± 1V to ±18V

• Allow Comparison of Voltages Near Ground Potential

• Low Current Drain 800µA Typ.

• Compatible with all Forms of Logic

• Lo w Inpu t Bias Current 25nA Typ.

• Low In put Offset Current ±5nA Typ.

• Low Offset Voltage ±1mV Typ.

Description

The LM2903/LM2903I, LM393/LM393A, LM293/

LM29 3A consist of two independent volta ge comparators

designed to operate from a single power supply over a wide

voltage range.

8-DIP

8-SOP

Internal Block Diagram

LM2903/LM2903I,LM393/LM393A,

LM293/LM293A

Dual Differential Comparator

LM2903/LM2903I,LM393/LM393A,

LM293/LM293A

Schematic Diagram

Absolute Maximum Ratings

Thermal Data

Parameter Symbol Value Unit

Power Supply Voltage VCC ±18 or 36 V

Differential Input Voltage VI(DIFF) 36 V

Input Voltage VI- 0.3 to +36 V

Output Short Circuit to GND - Continuous -

Power Dissipation, Ta = 25°C

8-DIP

8-SOP PD1040

480 mW

Operating Temperature

LM393/LM393A

LM2903

LM2903I

LM293/LM293A

TOPR

0 ~ +70

- 40 ~ +85

-40 ~ +105

-25 ~ +85

°C

Storage Temperature TSTG - 65 ~ +150 °C

Parameter Symbol Value Unit

Thermal Resistance Junction-Ambient Max.

8-DIP

8-SOP Rθja 120

260 °C/W

LM2903/LM2903I,LM393/LM393A,

LM293/LM293A

Electrical Characteristics

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

NOTE 1

LM393/LM393A: 0 ≤ TA ≤ +70°C

LM2903: -40 ≤ TA ≤ +85°C

LM2903I: -40 ≤ TA ≤ +105°C

LM293/L M 293 A : -25 ≤ TA ≤ +85°C

Parameter Symbol Conditions LM293A/LM393A LM293/LM393 Unit

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

Input Offset

Voltage VIO VO(P) =1.4V, RS = 0Ω-±1±2-±1±5mV

VCM= 0 to1.5V Note 1 - - ±4.0 - - ±9.0

Input Offset

Current IIO -±5±50 - ±5±50 nA

Note 1 - - ±150 - - ±150

Input Bias

Current IBIAS - 65 250 - 65 250 nA

Note 1 - - 400 - - 400

Input Common

Mode

Voltage Range VI(R) 0-

VCC

-1.5 0-

VCC

-1.5 V

Note 1 0 - VCC-2 0 - VCC-2

Supply Current ICC RL = ∞ , VCC = 5V - 0.6 1 - 0.6 1 mA

RL = ∞, VCC = 30V - 0.8 2.5 - 0.8 2.5

Voltage Gain GVVCC =15V, RL ≥ 15KΩ

(for large VO(P-P)swing)50 200 - 50 200 - V/mV

Large Signal

Response

Time TLRES VI =TTL Logic Swing

VREF =1.4V, VRL = 5V,

RL = 5.1KΩ- 350 - - 350 - nS

Response

Time TRES VRL =5V, RL =5.1KΩ-1.4 - - 1.4 - µS

Output Sink

Current ISINK VI(-) ≥ 1V, VI(+) =0V,

VO(P) ≤1.5V 618 - 6 18 -mA

Output

Saturation

Voltage VSAT VI(-) ≥ 1V, VI(+) = 0V - 160 400 - 160 400 mV

ISINK = 4mA Note 1 - - 700 - - 700

Output

Leakage

Current IO(LKG) VI(-) = 0V,

VI(+) = 1V

VO(P) = 5V - 0.1 - - 0.1 - nA

VO(P) = 30V - - 1.0 - - 1.0 µA

LM2903/LM2903I,LM393/LM393A,

LM293/LM293A

Electrical Characteristics (Continued)

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

Note 1

LM393/LM393A: 0 ≤ TA ≤ +70°C

LM2903: -40 ≤ TA ≤ +85°C

LM2903I: -40 ≤ TA ≤ +105°C

LM293/L M 293 A : -25 ≤ TA ≤ +85°C

Parameter Symbol Conditions LM2903/LM2903I Unit

Min. Typ. Max.

Input Offset Voltage VIO VO(P) =1.4V, RS = 0Ω-±1±7mV

VCM= 0 to 1.5V Note 1 - ±9±15

Input Offset Current IIO -±5±50 nA

Note 1 - ±50 ±200

Input Bias Current IBIAS - 65 250 nA

Note 1 - - 500

Input Common Mode

Voltage Range VI(R) 0-VCC

-1.5 V

Note 1 0 - VCC-2

Supply Current ICC RL = ∞, VCC = 5V - 0.6 1 mA

RL = ∞, VCC = 30V - 1 2.5

Voltage Gain GVVCC =15V, RL≥15KΩ

(for large VO(P-P)swing)25 100 - V/mV

Large Signal Response Time TLRES VI =TTL Logic Swing

VREF =1.4V, VRL = 5V, RL = 5.1KΩ- 350 - nS

Response Time TRES VRL = 5V, RL = 5.1KΩ-1.5 - µS

Output Sink Current ISINK VI(-) ≥ 1V, VI(+) = 0V, VO(P) ≤ 1.5V 6 16 - mA

Output Saturation Voltage VSAT VI(-) ≥ 1V, VI(+) = 0V - 160 400 mV

ISINK = 4mA Note 1 - - 700

Output Leakage Current IO(LKG) VI(-) = 0V, VO(P) = 5V - 0.1 - nA

VI(+) = 1V VO(P) = 30V - - 1.0 µA

LM2903/LM2903I,LM393/LM393A,

LM293/LM293A

Typical Performance Chara cte ristic s

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

Figure 3. Output Saturation Voltage vs Sink Curren t Figure 4. Respo nse Time for Various I nput

Ove rdrive-Negat ive Transi tion

Figure 5. Response Time for Various Input

Overdrive-Positive Transition

LM2903/LM2903I,LM393/LM393A,

LM293/LM293A

Mechanical Dimensions

Package Dimensions in millimeters

6.40

±0.20

3.30

±0.30

0.130

±0.012

3.40

±0.20

0.134

±0.008

#4 #5

0.252

±0.008

9.20

±0.20

0.79

2.54

0.100

0.031

()

0.46

±0.10

0.018

±0.004

0.060

±0.004

1.524

±0.10

0.362

±0.008

9.60

0.378 MAX

5.08

0.200

0.33

0.013

7.62

0~15°

0.300

MAX

MIN

0.25

+0.10

–0.05

0.010

+0.004

–0.002

8-DIP

LM2903/LM2903I,LM393/LM393A,

LM293/LM293A

Mechanical Dimensions (Continued)

Package Dimensions in millimeters

4.92 ±0.20

0.194 ±0.008

0.41 ±0.10

0.016 ±0.004

1.27

0.050

5.72

0.225

1.55 ±0.20

0.061 ±0.008

0.1~0.25

0.004~0.001

6.00 ±0.30

0.236 ±0.012

3.95 ±0.20

0.156 ±0.008

0.50 ±0.20

0.020 ±0.008

5.13

0.202 MAX

#4 #5

0~8°

0.56

0.022

()

1.80

0.071

MAX0.10

MAX0.004

MAX

MIN

+0.10

-0.05

0.15+0.004

-0.002

0.006

8-SOP

LM2903/LM2903I,LM393/LM393A,

LM293/LM293A

12/21/01 0.0m 001

Stock#DSxxxxxxxx

 2001 Fairchild Semicond uctor Corporation

LIFE SU PP ORT POL ICY

FAIRCHILD’S PRODUCTS AR E NOT AUTHORIZED FOR USE AS C RITICAL COMPONENTS I N LIFE S UPPORT DEVICE S

OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR

CORPORA TION. As used he rein :

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.

2. A critical component in any component of a life support

device or syst em who se failure to perform can be

reasonably expected to cause the failure of the life support

device or system, or to affect its safety or effec tiv ene ss.

www.fairchildsemi.com

DISCLAIMER

FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY

PRO DUCTS HEREIN TO IMPROVE RELIABILITY, FUN C TION OR DESIGN . FAIRCHILD DO ES 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 ITS PATENT RIG HTS, NOR THE RIGHTS OF OTHERS.

Ordering Information

Product Number Package Operating Temperature

LM393N 8-DIP 0 ~ + 70°C

LM393AN

LM393M 8-SOP

LM393AM

LM2903N 8-DIP -40 ~ + 85°C

LM2903M 8-SOP

LM2903IN 8-DIP -40 ~ + 105°C

LM2903IM 8-SOP

LM293N 8-DIP -25 ~ + 85°C

LM293AN

LM293M 8-SOP

LM293AM