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LM393 SINGLE SUPPLY, LOW POWER DUAL COMPARATORS

Published:2011/5/10 9:55:00 |

Device

Operating

Temperature Range Package

SEMICONDUCTOR

TECHNICAL DATA

SINGLE SUPPLY, LOW POWER

DUAL COMPARATORS

ORDERING INFORMATION

Plastic DIP

PIN CONNECTIONS

Order this document by LM393/D

D SUFFIX

PLASTIC PACKAGE

N SUFFIX

PLASTIC PACKAGE

Plastic DIP

MOTOROLA ANALOG IC DEVICE DATA 1

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.

• 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: 2.0 mV (max) LM393A

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

Representative Schematic Diagram

(Diagram shown is for 1 comparator)

VCC + Input – Input Output

W Motorola, Inc. 1996 Rev 1

LM393, LM393A, LM293, LM2903, LM2903V

2 MOTOROLA ANALOG IC DEVICE DATA

MAXIMUM RATINGS

Rating Symbol Value Unit

Power Supply Voltage VCC +36 or ±18 Vdc

Input Differential Voltage Range VIDR 36 Vdc

Input Common Mode Voltage Range VICR –0.3 to +36 Vdc

Output Short Circuit–to–Ground ISC Continuous mA

Output Sink Current (Note 1) ISink 20

Power Dissipation @ TA = 25°C PD 570 mW

Derate above 25°C 1/RqJA 5.7 mW/°C

Operating Ambient Temperature Range TA °C

LM293 –25 to +85

LM393, 393A 0 to +70

LM2903 –40 to +105

LM2903V –40 to +125

Maximum Operating Junction Temperature TJ(max) °C

LM393, 393A, 2903, LM2903V 125

LM293 150

Storage Temperature Range Tstg –65 to +150 °C

ELECTRICAL CHARACTERISTICS (VCC = 5.0 Vdc, Tlow 3 TA 3 Thigh,* unless otherwise noted.)

Ch i i S b l

LM393A

Characteristic Symbol Min Typ Max Unit

Input Offset Voltage (Note 2) VIO mV

TA = 25°C – ±1.0 ±2.0

Tlow 3 TA 3 Thigh – – 4.0

Input Offset Current IIO nA

TA = 25°C – ±50 ±50

Tlow 3 TA 3 Thigh – – ±150

Input Bias Current (Note 3) IIB nA

TA = 25°C – 25 250

Tlow 3 TA 3 Thigh – – 400

Input Common Mode Voltage Range (Note 4) VICR V

TA = 25°C 0 – VCC –1.5

Tlow 3 TA 3 Thigh 0 – VCC –2.0

Voltage Gain RL . 15 kW, VCC = 15 Vdc, TA = 25°C AVOL 50 200 – V/mV

Large Signal Response Time – – 300 – ns

Vin = TTL Logic Swing, Vref = 1.4 Vdc

VRL = 5.0 Vdc, RL = 5.1 kW, TA = 25°C

Response Time (Note 5) VRL = 5.0 Vdc, RL = 5.1 kW, TA = 25°C tTLH – 1.3 – ms

Input Differential Voltage (Note 6)

All Vin . Gnd or V– Supply (if used)

VID – – VCC V

Output Sink Current

Vin . 1.0 Vdc, Vin+ = 0 Vdc, VO 3 1.5 Vdc, TA = 25°C

ISink 6.0 16 – mA

Output Saturation Voltage VOL mV

Vin . 1.0 Vdc, Vin+ = 0 Vdc, ISink 3 4.0 mA, TA = 25°C – 150 400

Tlow 3 TA 3 Thigh – – 700

*Tlow = 0°C, Thigh = +70°C for LM393/393A

NOTES: 1. The maximum output current may be as high as 20 mA, independent of the magnitude of VCC, output short circuits to VCC can cause excessive

heating and eventual destruction.

2. At output switch point, VO1.4 Vdc, RS = 0 W with VCC from 5.0 Vdc to 30 Vdc, and over the full input common mode range (0 V to VCC = –1.5 V).

3. Due to the PNP transistor inputs, bias current will flow out of the inputs. This current is essentially constant, independent of the output state, there

fore, no loading changes will exist on the input lines.

4. Input common mode of either input should not be permitted to go more than 0.3 V negative of ground or minus supply. The upper limit of common

mode range is VCC –1.5 V.

5. Response time is specified with a 100 mV step and 5.0 mV of overdrive. With larger magnitudes of overdrive faster response times are obtainable.

6. The comparator will exhibit proper output state if one of the inputs becomes greater than VCC, the other input must remain within the common mode

range. The low input state must not be less than –0.3 V of ground or minus supply.

LM393, LM393A, LM293, LM2903, LM2903V

MOTOROLA ANALOG IC DEVICE DATA 3

ELECTRICAL CHARACTERISTICS (VCC = 5.0 Vdc, Tlow 3 TA 3 Thigh,* unless otherwise noted.)

Ch i i S b l

LM393A

Characteristic Symbol Min Typ Max Unit

Output Leakage Current IOL mA

Vin– = 0 V, Vin+ . 1.0 Vdc, VO = 5.0 Vdc, TA= 25°C – 0.1 –

Vin– = 0 V, Vin+ . 1.0 Vdc, VO = 30 Vdc, Tlow 3 TA 3 Thigh – – 1.0

Supply Current ICC mA

RL = 8 Both Comparators, TA = 25°C – 0.4 1.0

RL = 8 Both Comparators, VCC = 30 V – 1.0 2.5

ELECTRICAL CHARACTERISTICS (VCC = 5.0 Vdc, Tlow 3 TA 3 Thigh, unless otherwise noted.)

Ch i i S b l

LM392, LM393 LM2903, LM2903V

Characteristic Symbol Min Typ Max Min Typ Max Unit

Input Offset Voltage (Note 2) VIO mV

TA = 25°C – ±1.0 ±5.0 – ±2.0 ±7.0

Tlow 3 TA 3 Thigh – – 9.0 – 9.0 15

Input Offset Current IIO nA

TA = 25°C – ±5.0 ±50 – ±5.0 ±50

Tlow 3 TA 3 Thigh – – ±150 – ±50 ±200

Input Bias Current (Note 3) IIB nA

TA = 25°C – 25 250 – 25 250

Tlow 3 TA 3 Thigh – – 400 – 200 500

Input Common Mode Voltage Range (Note 3) VICR V

TA = 25°C 0 – VCC –1.5 0 – VCC –1.5

Tlow 3 TA 3 Thigh 0 – VCC –2.0 0 – VCC –2.0

Voltage Gain AVOL 50 200 – 25 200 – V/mV

RL . 15 kW, VCC = 15 Vdc, TA = 25°C

Large Signal Response Time – – 300 – – 300 – ns

Vin = TTL Logic Swing, Vref = 1.4 Vdc

VRL = 5.0 Vdc, RL = 5.1 kW, TA = 25°C

Response Time (Note 5) tTLH – 1.3 – – 1.5 – ms

VRL = 5.0 Vdc, RL = 5.1 kW, TA = 25°C

Input Differential Voltage (Note 6) VID – – VCC – – VCC V

All Vin . Gnd or V– Supply (if used)

Output Sink Current ISink 6.0 16 – 6.0 16 – mA

Vin . 1.0 Vdc, Vin+ = 0 Vdc, VO 3 1.5 Vdc TA = 25°C

Output Saturation Voltage VOL mV

Vin . 1.0 Vdc, Vin+ = 0, ISink 3 4.0 mA, TA = 25°C – 150 400 – – 400

Tlow 3 TA 3 Thigh – – 700 – 200 700

Output Leakage Current IOL nA

Vin– = 0 V, Vin+ . 1.0 Vdc, VO = 5.0 Vdc, TA = 25°C – 0.1 – – 0.1 –

Vin– = 0 V, Vin+ . 1.0 Vdc, VO = 30 Vdc,

Tlow 3 TA 3 Thigh – – 1000 – – 1000

Supply Current ICC mA

RL = 8 Both Comparators, TA = 25°C – 0.4 1.0 – 0.4 1.0

RL = 8 Both Comparators, VCC = 30 V – – 2.5 – – 2.5

*Tlow = 0°C, Thigh = +70°C for LM393/393A

LM293 Tlow = –25°C, Thigh = +85°C

LM2903 Tlow = –40°C, Thigh = +105°C

LM2903V Tlow = –40°C, Thigh = +125°C

NOTES: 2. At output switch point, VO1.4 Vdc, RS = 0 W with VCC from 5.0 Vdc to 30 Vdc, and over the full input common mode range (0 V to VCC = –1.5 V).

3. Due to the PNP transistor inputs, bias current will flow out of the inputs. This current is essentially constant, independent of the output state, there

fore, no loading changes will exist on the input lines.

5. Response time is specified with a 100 mV step and 5.0 mV of overdrive. With larger magnitudes of overdrive faster response times are obtainable.

6. The comparator will exhibit proper output state if one of the inputs becomes greater than VCC, the other input must remain within the common mode

range. The low input state must not be less than –0.3 V of ground or minus supply.

LM393, LM393A, LM293, LM2903, LM2903V

4 MOTOROLA ANALOG IC DEVICE DATA

LM293/393,A LM2903

Figure 1. Input Bias Current versus

Power Supply Voltage

Figure 2. Input Bias Current versus

Power Supply Voltage

Figure 3. Output Saturation Voltage

versus Output Sink Current

Figure 4. Output Saturation Voltage

versus Output Sink Current

Figure 5. Power Supply Current versus

Power Supply Voltage

Figure 6. Power Supply Current versus

Power Supply Voltage

VCC, SUPPLY VOLTAGE (Vdc) VCC, SUPPLY VOLTAGE (Vdc)

VCC, SUPPLY VOLTAGE (Vdc) VCC, SUPPLY VOLTAGE (Vdc)

ISink, OUTPUT SINK CURRENT (mA) ISink, OUTPUT SINK CURRENT (mA)

I C C , SUPPLY CURRENT (mA) VO L , SATURATION VOLTAGE (Vdc) I I B , INPUT BIAS CURRENT (nA)

I C C , SUPPLY CURRENT (mA) VO L , SATURATION VOLTAGE (Vdc) I I B , INPUT BIAS CURRENT (nA)

LM393, LM393A, LM293, LM2903, LM2903V

MOTOROLA ANALOG IC DEVICE DATA 5

APPLICATIONS INFORMATION

These dual comparators feature high gain, wide

bandwidth characteristics. This gives the device oscillation

tendencies if the outputs are capacitively coupled to the

inputs via stray capacitance. This oscillation manifests itself

during output transitions (VOL to VOH). To alleviate this

situation, input resistors <10 kW should be used.

The addition of positive feedback (<10 mV) is also

recommended. It is good design practice to ground all

unused pins.

Differential input voltages may be larger than supply

voltage without damaging the comparator’s inputs. Voltages

more negative than –0.3 V should not be used.

Figure 7. Zero Crossing Detector

(Single Supply)

Figure 8. Zero Crossing Detector

(Split Supply)

Figure 9. Free–Running Square–Wave Oscillator Figure 10. Time Delay Generator

Figure 11. Comparator with Hysteresis

D1 prevents input from going negative by more than 0.6 V.

LM393, LM393A, LM293, LM2903, LM2903V

6 MOTOROLA ANALOG IC DEVICE DATA

OUTLINE DIMENSIONS

NOTES:

1. DIMENSION L TO CENTER OF LEAD WHEN

FORMED PARALLEL.

2. PACKAGE CONTOUR OPTIONAL (ROUND OR

SQUARE CORNERS).

3. DIMENSIONING AND TOLERANCING PER ANSI

Y14.5M, 1982.

NOTES:

1. DIMENSIONING AND TOLERANCING PER ASME

Y14.5M, 1994.

2. DIMENSIONS ARE IN MILLIMETERS.

3. DIMENSION D AND E DO NOT INCLUDE MOLD

PROTRUSION.

4. MAXIMUM MOLD PROTRUSION 0.15 PER SIDE.

5. DIMENSION B DOES NOT INCLUDE MOLD

PROTRUSION. ALLOWABLE DAMBAR

PROTRUSION SHALL BE 0.127 TOTAL IN EXCESS

OF THE B DIMENSION AT MAXIMUM MATERIAL

CONDITION.

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specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters which may be provided in Motorola

data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals”

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Opportunity/Affirmative Action Employer.

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LM393/DLM393 is the number for products that is related with integrated circuit.