MOTOROLA LM393, LM393A, LM293, LM2903, LM2903V Technical data

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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 V oltage: 2.0 mV (max) LM393A
5.0 mV (max) LM293/393
Input Common Mode Range to Ground Level
Differential Input V oltage 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
SINGLE SUPPLY, LOW POWER
DUAL COMPARATORS
TECHNICAL DATA
8
1
N SUFFIX
PLASTIC PACKAGE
CASE 626
8
1
D SUFFIX
PLASTIC PACKAGE
CASE 751
(SO–8)
Representative Schematic Diagram
(Diagram shown is for 1 comparator)
F1
R1
4.6 k
V
CC
R4
Q3
2.0 k
Q1
+ Input – Input Output
R2
2.1 k
Q4
Q5
Q8
Q2
Q9
MOTOROLA ANALOG IC DEVICE DATA
Q6
Q10
Q11
Q12
Q15
Q14
Q16
PIN CONNECTIONS
– +
8
V
CC
7
Output B
6 5
Inputs B
Output A
Inputs A
Gnd
1
2
+
3 4
(Top View)
ORDERING INFORMATION
Operating
Device
LM293D LM393D LM393AN,N LM2903D LM2903N
LM2903VD LM2903VN
Motorola, Inc. 1996 Rev 1
Temperature Range
TA = –25° to +85°C
TA = 0° to +70°C
TA = –40° to +105°C
TA = –40° to +105°C
Package
SO–8 SO–8
Plastic DIP
SO–8
Plastic DIP
SO–8
Plastic DIP
1
LM393, LM393A, LM293, LM2903, LM2903V
MAXIMUM RATINGS
Rating Symbol Value Unit
Power Supply Voltage V Input Differential Voltage Range V Input Common Mode Voltage Range V Output Short Circuit–to–Ground I
Output Sink Current (Note 1) I Power Dissipation @ TA = 25°C P
Derate above 25°C 1/R
Operating Ambient Temperature Range T
CC IDR ICR SC
Sink
D θJA
A
LM293 –25 to +85 LM393, 393A 0 to +70 LM2903 –40 to +105 LM2903V –40 to +125
Maximum Operating Junction Temperature T
J(max)
LM393, 393A, 2903, LM2903V 125 LM293 150
Storage Temperature Range T
stg
+36 or ±18 Vdc
–0.3 to +36 Vdc Continuous mA
–65 to +150 °C
36 Vdc
20
570 mW
5.7 mW/°C
°C
°C
ELECTRICAL CHARACTERISTICS (V
= 5.0 Vdc, T
CC
TA T
low
,* unless otherwise noted.)
high
LM393A
Characteristic Symbol
Input Offset Voltage (Note 2) V
IO
Min Typ Max
TA = 25°C ±1.0 ±2.0 T
TA T
low
high
Input Offset Current I
IO
4.0
TA = 25°C ±50 ±50 T
TA T
low
high
Input Bias Current (Note 3) I
IB
±150
TA = 25°C 25 250 T
TA T
low
high
Input Common Mode Voltage Range (Note 4) V
ICR
400
TA = 25°C 0 VCC –1.5 T
TA T
low
high
Voltage Gain RL 15 k, VCC = 15 Vdc, TA = 25°C A
VOL
0 VCC –2.0
50 200 V/mV
Large Signal Response Time 300 ns
Vin = TTL Logic Swing, V
= 1.4 Vdc
ref
VRL = 5.0 Vdc, RL = 5.1 k, TA = 25°C Response Time (Note 5) VRL = 5.0 Vdc, RL = 5.1 k, TA = 25°C t Input Differential Voltage (Note 6)
All Vin Gnd or V– Supply (if used) Output Sink Current
Vin 1.0 Vdc, V
= 0 Vdc, VO 1.5 Vdc, TA = 25°C
in+
Output Saturation Voltage V
Vin 1.0 Vdc, V
T
TA T
low
*T
= 0°C, T
low
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
high
heating and eventual destruction.
2.At output switch point, VO]
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.
= 0 Vdc, I
in+
Sink
high
= +70°C for LM393/393A
1.4 Vdc, RS = 0 with VCC from 5.0 Vdc to 30 Vdc, and over the full input common mode range (0 V to VCC = –1.5 V).
4.0 mA, TA = 25°C 150 400
TLH V
I
Sink
ID
OL
1.3 µs – V
CC
6.0 16 mA
700
Unit
mV
nA
nA
V
V
mV
2
MOTOROLA ANALOG IC DEVICE DATA
LM393, LM393A, LM293, LM2903, LM2903V
ELECTRICAL CHARACTERISTICS (V
= 5.0 Vdc, T
CC
TA T
low
,* unless otherwise noted.)
high
LM393A
Characteristic Symbol
Output Leakage Current I
V
in–
V
in–
= 0 V, V = 0 V, V
1.0 Vdc, VO = 5.0 Vdc, TA= 25°C 0.1
in+
1.0 Vdc, VO = 30 Vdc, T
in+
TA T
low
high
Supply Current I
OL
CC
Min Typ Max
1.0
RL = Both Comparators, TA = 25°C 0.4 1.0 RL = Both Comparators, VCC = 30 V 1.0 2.5
ELECTRICAL CHARACTERISTICS (V
= 5.0 Vdc, T
CC
TA T
low
, unless otherwise noted.)
high
LM392, LM393 LM2903, LM2903V
Characteristic Symbol
Input Offset Voltage (Note 2) V
Min Typ Max Min Typ Max
IO
TA = 25°C ±1.0 ±5.0 ±2.0 ±7.0 T
TA T
low
high
Input Offset Current I
IO
9.0 9.0 15
TA = 25°C ±5.0 ±50 ±5.0 ±50 T
TA T
low
high
Input Bias Current (Note 3) I
IB
±150 ±50 ±200
TA = 25°C 25 250 25 250 T
TA T
low
high
Input Common Mode Voltage Range (Note 3) V
ICR
400 200 500
TA = 25°C 0 VCC –1.5 0 VCC –1.5 T
TA T
low
high
Voltage Gain A
VOL
0 VCC –2.0 0 VCC –2.0
50 200 25 200 V/mV
RL 15 k, VCC = 15 Vdc, TA = 25°C
Large Signal Response Time 300 300 ns
Vin = TTL Logic Swing, V
= 1.4 Vdc
ref
VRL = 5.0 Vdc, RL = 5.1 k, TA = 25°C
Response Time (Note 5) t
TLH
1.3 1.5 µs
VRL = 5.0 Vdc, RL = 5.1 k, TA = 25°C
Input Differential V oltage (Note 6) V
ID
V
CC
V
CC
All Vin Gnd or V– Supply (if used)
Output Sink Current I
Vin 1.0 Vdc, V
= 0 Vdc, VO 1.5 Vdc TA = 25°C
in+
Output Saturation Voltage V
Vin 1.0 Vdc, V T
TA T
low
high
in+
= 0, I
4.0 mA, TA = 25°C 150 400 400
Sink
Output Leakage Current I
V
in–
V
in–
= 0 V, V = 0 V, V
T
low
TA T
1.0 Vdc, VO = 5.0 Vdc, TA = 25°C 0.1 0.1
in+
1.0 Vdc, VO = 30 Vdc,
in+
high
Supply Current I
Sink
OL
OL
CC
6.0 16 6.0 16 mA
700 200 700
1000 1000
RL = Both Comparators, TA = 25°C 0.4 1.0 0.4 1.0 RL = Both Comparators, VCC = 30 V 2.5 2.5
*T
= 0°C, T
low
LM293 T
low
LM2903 T LM2903V T
NOTES: 2. At output switch point, VO]
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
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
= +70°C for LM393/393A
high
= –25°C, T
= –40°C, T
low
= –40°C, T
low
fore, no loading changes will exist on the input lines.
range. The low input state must not be less than –0.3 V of ground or minus supply.
high
high
= +85°C
= +105°C
= +125°C
high
1.4 Vdc, RS = 0 with VCC from 5.0 Vdc to 30 Vdc, and over the full input common mode range (0 V to VCC = –1.5 V).
Unit
µA
mA
Unit
mV
nA
nA
V
V
mV
nA
mA
MOTOROLA ANALOG IC DEVICE DATA
3
LM393, LM393A, LM293, LM2903, LM2903V
LM293/393,A LM2903
Figure 1. Input Bias Current versus
Power Supply Voltage
80 70 60
50 40
TA = +25° C
30 20
IB
I , INPUT BIAS CURRENT (nA)
TA = +125°C
10
0
0 5.0 10 15 20 25 30 35 40
VCC, SUPPLY VOLTAGE (Vdc) VCC, SUPPLY VOLTAGE (Vdc)
Figure 3. Output Saturation Voltage
versus Output Sink Current
10
1.0
0.1 TA = +25°C
Out of Saturation
TA = +125°C
TA = –55° C
TA = –55° C
TA = 0° C
TA = +70°C
Figure 2. Input Bias Current versus
Power Supply Voltage
80 70 60 50
40 30
20
IB
I , INPUT BIAS CURRENT (nA)
10
0
0 5.0 10 15 20 25 30 35 40
TA = –40° C
TA = 0° C
TA = +25° C
TA = +85° C
Figure 4. Output Saturation Voltage
versus Output Sink Current
10
1.0
0.1
TA = +85°C
TA = +25° C
Out of Saturation
0.01
OL
V , SATURATION VOLTAGE (Vdc)
0.001
1.0
0.8
0.6
0.4
CC
I , SUPPLY CURRENT (mA)
0.2
0.01
0.1 1.0 10 100 I
, OUTPUT SINK CURRENT (mA) I
Sink
Figure 5. Power Supply Current versus
Power Supply Voltage
TA = –55° C
RL =
0
5.0 10 15 20 25 30 35 40 VCC, SUPPLY VOLTAGE (Vdc) VCC, SUPPLY VOLTAGE (Vdc)
TA = 0° C TA = +25° C
TA = +70°C TA = +125°C
R
0.01
OL
V , SATURATION VOLTAGE (Vdc)
0.001
0.01 0.1 1.0 10 100
TA = –40°C
, OUTPUT SINK CURRENT (mA)
Sink
TA = 0°C
Figure 6. Power Supply Current versus
Power Supply Voltage
RL =
TA = –40° C
TA = 0° C
TA = +25° C
TA = +85° C
R
1.2
1.0
0.8
0.6
CC
I , SUPPLY CURRENT (mA)
0.4 0 5.0 10 15 20 25 30 35 40
4
MOTOROLA ANALOG IC DEVICE DATA
LM393, LM393A, LM293, LM2903, LM2903V
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 k should be used.
Figure 7. Zero Crossing Detector
(Single Supply)
+15 V
R1
8.2 k
V
in
R1
D1
D1 prevents input from going negative by more than 0.6 V.
R3
R4
220 k
6.8 k R2
≤R5for small error in zero crossing.
10
R5
220 k
15 k
R3
R1 + R2 = R3
10 k
*
LM393
)
10 M
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 8. Zero Crossing Detector
(Split Supply)
V
V
in
+V
CC
*
V
in
LM393
)
–V
EE
V
[ 0.4 V peak for 1% phase distortion (∆Θ).
in(min)
10 k
– V
V
CC
V
O
EE
in(min)
Θ
Θ
∆Θ
Figure 9. Free–Running Square–Wave Oscillator
1.0 M
V
CC
0.001 µF
51 k
51 k
LM393
+
51 k
V
CC V
0
V
CC
R
L
10 k
V
O
O
t
Figure 11. Comparator with Hysteresis
R
S
V
R1
ref
LM393
+
R2
Figure 10. Time Delay Generator
V
CC
t
LM393
+
‘‘ON’’ for t where:
V
CC
R
L
tO + ∆t
t = RC ȏ n (
RS = R1 | | R2
V
= V
th1
ref
V
= V
th2
ref
V
C
V
ref
V
CC
(VCC –V
+
R1 + R2 + R
(V
ref
R
LM393
C
)
–VO Low) R1
+ V
) R1
ref
R1 + R2
+
ref
L
V
CC
R
L
V
O
V
V
in
ref
0
V
O
0
V
V
C
ref
0
t
ȏ
O
t
MOTOROLA ANALOG IC DEVICE DATA
5
LM393, LM393A, LM293, LM2903, LM2903V
OUTLINE DIMENSIONS
NOTE 2
A
C
–T–
SEATING PLANE
H
E
B
A1
58
14
F
–A–
N
D
G
0.13 (0.005) B
D
58
0.25MB
1
H
4
e
A
B
SS
A0.25MCB
–B–
C
SEATING PLANE
N SUFFIX
PLASTIC PACKAGE
CASE 626–05
ISSUE K
L
J
K
M
A
T
M
M
M
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.
DIM MIN MAX MIN MAX
A 9.40 10.16 0.370 0.400 B 6.10 6.60 0.240 0.260 C 3.94 4.45 0.155 0.175 D 0.38 0.51 0.015 0.020 F 1.02 1.78 0.040 0.070
G 2.54 BSC 0.100 BSC
H 0.76 1.27 0.030 0.050 J 0.20 0.30 0.008 0.012 K 2.92 3.43 0.115 0.135 L 7.62 BSC 0.300 BSC
M ––– 10 ––– 10
N 0.76 1.01 0.030 0.040
INCHESMILLIMETERS
__
D SUFFIX
PLASTIC PACKAGE
CASE 751–05
0.10
(SO–8)
ISSUE R
C
M
h
X 45
_
q
L
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.
MILLIMETERS
DIM MIN MAX
A 1.35 1.75
A1 0.10 0.25
B 0.35 0.49 C 0.18 0.25 D 4.80 5.00 E
3.80 4.00
1.27 BSCe
H 5.80 6.20 h
0.25 0.50
L 0.40 1.25
0 7
q
__
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6
MOTOROLA ANALOG IC DEVICE DATA
LM393/D
*LM393/D*
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