MOTOROLA LM293D Single supply, low power dual comparator Datasheet

Order this document by LM393/D
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
•
•
•
•
•
•
•
•
•
SINGLE SUPPLY, LOW POWER
DUAL COMPARATORS
SEMICONDUCTOR
TECHNICAL DATA
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
8
Low Input Offset Current: 5.0 nA
1
Low Input Offset Voltage: 2.0 mV (max) LM393A
5.0 mV (max) LM293/393
Input Common Mode Range to Ground Level
N SUFFIX
PLASTIC PACKAGE
CASE 626
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
8
1
D SUFFIX
PLASTIC PACKAGE
CASE 751
(SO–8)
PIN CONNECTIONS
Representative Schematic Diagram
(Diagram shown is for 1 comparator)
Output A
VCC
+ Input
– Input
Output
Inputs A
8
7
3
Gnd
R2
2.1 k
Q3
1
2
4
–
+
VCC
Output B
6
–
+ 5
Inputs B
(Top View)
Q4
R4
Q5
Q6
Q14
2.0 k
ORDERING INFORMATION
F1
Device
LM293D
Q10
Q1
Q8
Q9
Q16
Q12
Q2
R1
4.6 k
Q15
Q11
LM393D
LM393AN,N
LM2903D
LM2903N
Operating
Temperature Range
Package
TA = –25° to +85°C
SO–8
TA = 0° to +70°C
TA = –40° to +105°C
LM2903VD
LM2903VN
Plastic DIP
SO–8
Plastic DIP
SO–8
TA = –40° to +105°C
 Motorola, Inc. 1996
MOTOROLA ANALOG IC DEVICE DATA
SO–8
Plastic DIP
Rev 1
1
LM393, LM393A, LM293, LM2903, LM2903V
MAXIMUM RATINGS
Symbol
Value
Unit
Power Supply Voltage
Rating
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
Output Sink Current (Note 1)
ISC
ISink
Continuous
20
mA
Power Dissipation @ TA = 25°C
Derate above 25°C
PD
1/RθJA
570
5.7
mW
mW/°C
Operating Ambient Temperature Range
LM293
LM393, 393A
LM2903
LM2903V
Maximum Operating Junction Temperature
LM393, 393A, 2903, LM2903V
LM293
Storage Temperature Range
°C
TA
–25 to +85
0 to +70
–40 to +105
–40 to +125
°C
TJ(max)
125
150
Tstg
°C
–65 to +150
ELECTRICAL CHARACTERISTICS (VCC = 5.0 Vdc, Tlow ≤ TA ≤ Thigh,* unless otherwise noted.)
LM393A
Ch
Characteristic
i i
S b l
Symbol
Input Offset Voltage (Note 2)
TA = 25°C
Tlow ≤ TA ≤ Thigh
VIO
Input Offset Current
TA = 25°C
Tlow ≤ TA ≤ Thigh
IIO
Input Bias Current (Note 3)
TA = 25°C
Tlow ≤ TA ≤ Thigh
IIB
Min
Typ
Max
–
–
±1.0
–
±2.0
4.0
–
–
±50
–
±50
±150
–
–
25
–
250
400
0
0
–
–
VCC –1.5
VCC –2.0
U i
Unit
mV
nA
nA
Input Common Mode Voltage Range (Note 4)
TA = 25°C
Tlow ≤ TA ≤ Thigh
VICR
Voltage Gain RL ≥ 15 kΩ, VCC = 15 Vdc, TA = 25°C
AVOL
–
50
200
–
V/mV
–
300
–
ns
Response Time (Note 5) VRL = 5.0 Vdc, RL = 5.1 kΩ, TA = 25°C
tTLH
–
1.3
–
µs
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 ≤ 1.5 Vdc, TA = 25°C
ISink
6.0
16
–
mA
Output Saturation Voltage
Vin ≥ 1.0 Vdc, Vin+ = 0 Vdc, ISink ≤ 4.0 mA, TA = 25°C
Tlow ≤ TA ≤ Thigh
VOL
–
–
150
–
400
700
Large Signal Response Time
Vin = TTL Logic Swing, Vref = 1.4 Vdc
VRL = 5.0 Vdc, RL = 5.1 kΩ, TA = 25°C
V
mV
* 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, VO 1.4 Vdc, RS = 0 Ω 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.
]
2
MOTOROLA ANALOG IC DEVICE DATA
LM393, LM393A, LM293, LM2903, LM2903V
ELECTRICAL CHARACTERISTICS (VCC = 5.0 Vdc, Tlow ≤ TA ≤ Thigh,* unless otherwise noted.)
LM393A
Ch
Characteristic
i i
S b l
Symbol
Output Leakage Current
Vin– = 0 V, Vin+ ≥ 1.0 Vdc, VO = 5.0 Vdc, TA= 25°C
Vin– = 0 V, Vin+ ≥ 1.0 Vdc, VO = 30 Vdc, Tlow ≤ TA ≤ Thigh
IOL
Supply Current
RL = ∞ Both Comparators, TA = 25°C
RL = ∞ Both Comparators, VCC = 30 V
ICC
Min
Typ
Max
–
–
0.1
–
–
1.0
–
–
0.4
1.0
1.0
2.5
U i
Unit
µA
mA
ELECTRICAL CHARACTERISTICS (VCC = 5.0 Vdc, Tlow ≤ TA ≤ Thigh, unless otherwise noted.)
LM392, LM393
Characteristic
Ch
i i
Symbol
S b l
Input Offset Voltage (Note 2)
TA = 25°C
Tlow ≤ TA ≤ Thigh
VIO
Input Offset Current
TA = 25°C
Tlow ≤ TA ≤ Thigh
IIO
Input Bias Current (Note 3)
TA = 25°C
Tlow ≤ TA ≤ Thigh
IIB
LM2903, LM2903V
Min
Typ
Max
Min
Typ
Max
–
–
±1.0
–
±5.0
9.0
–
–
±2.0
9.0
±7.0
15
–
–
±5.0
–
±50
±150
–
–
±5.0
±50
±50
±200
–
–
25
–
250
400
–
–
25
200
250
500
0
0
–
–
VCC –1.5
VCC –2.0
0
0
–
–
VCC –1.5
VCC –2.0
Unit
U i
mV
nA
nA
Input Common Mode Voltage Range (Note 3)
TA = 25°C
Tlow ≤ TA ≤ Thigh
VICR
V
Voltage Gain
RL ≥ 15 kΩ, VCC = 15 Vdc, TA = 25°C
AVOL
50
200
–
25
200
–
V/mV
Large Signal Response Time
Vin = TTL Logic Swing, Vref = 1.4 Vdc
VRL = 5.0 Vdc, RL = 5.1 kΩ, TA = 25°C
–
–
300
–
–
300
–
ns
Response Time (Note 5)
VRL = 5.0 Vdc, RL = 5.1 kΩ, TA = 25°C
tTLH
–
1.3
–
–
1.5
–
µs
Input Differential Voltage (Note 6)
All Vin ≥ Gnd or V– Supply (if used)
VID
–
–
VCC
–
–
VCC
V
Output Sink Current
Vin ≥ 1.0 Vdc, Vin+ = 0 Vdc, VO ≤ 1.5 Vdc TA = 25°C
ISink
6.0
16
–
6.0
16
–
mA
Output Saturation Voltage
Vin ≥ 1.0 Vdc, Vin+ = 0, ISink ≤ 4.0 mA, TA = 25°C
Tlow ≤ TA ≤ Thigh
VOL
–
–
150
–
400
700
–
–
–
200
400
700
Output Leakage Current
Vin– = 0 V, Vin+ ≥ 1.0 Vdc, VO = 5.0 Vdc, TA = 25°C
Vin– = 0 V, Vin+ ≥ 1.0 Vdc, VO = 30 Vdc,
Tlow ≤ TA ≤ Thigh
IOL
–
0.1
–
–
0.1
–
–
–
1000
–
–
1000
Supply Current
RL = ∞ Both Comparators, TA = 25°C
RL = ∞ Both Comparators, VCC = 30 V
ICC
–
–
0.4
–
1.0
2.5
–
–
0.4
–
1.0
2.5
mV
nA
mA
* 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, VO 1.4 Vdc, RS = 0 Ω 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.
MOTOROLA ANALOG IC DEVICE DATA
3
LM393, LM393A, LM293, LM2903, LM2903V
LM293/393,A
LM2903
Figure 1. Input Bias Current versus
Power Supply Voltage
Figure 2. Input Bias Current versus
Power Supply Voltage
IIB , INPUT BIAS CURRENT (nA)
80
80
IIB , INPUT BIAS CURRENT (nA)
70
60
TA = –55° C
50
TA = 0° C
40
TA = +25° C
30
20
TA = +70° C
TA = +125°C
60
50
TA = 0° C
40
TA = +25° C
30
TA = +85° C
20
10
10
0
TA = –40° C
70
0
5.0
10
15
20
25
30
VCC, SUPPLY VOLTAGE (Vdc)
35
0
40
0
Figure 3. Output Saturation Voltage
versus Output Sink Current
10
Out of
Saturation
1.0
TA = +125°C
0.1
TA = +25° C
TA = –55° C
0.01
0.001
0.01
0.1
10
15
20
25
VCC, SUPPLY VOLTAGE (Vdc)
1.0
10
30
1.0
TA = +85° C
0.1
TA = +25° C
0.01
TA = 0° C
TA = –40° C
0.001
0.01
100
0.1
1.0
10
100
ISink, OUTPUT SINK CURRENT (mA)
ISink, OUTPUT SINK CURRENT (mA)
Figure 5. Power Supply Current versus
Power Supply Voltage
Figure 6. Power Supply Current versus
Power Supply Voltage
TA = 0° C
TA = +25° C
0.6
TA = +70° C
0.4
TA = +125°C
0.2
RL =
5.0
10
15
20
25
VCC, SUPPLY VOLTAGE (Vdc)
4
R
30
ICC , SUPPLY CURRENT (mA)
ICC , SUPPLY CURRENT (mA)
TA = –55° C
0.8
TA = –40° C
1.2
TA = 0° C
1.0
TA = +25° C
0.8
TA = +85° C
0.6
RL =
0.4
35
40
Out of
Saturation
1.0
0
35
Figure 4. Output Saturation Voltage
versus Output Sink Current
VOL , SATURATION VOLTAGE (Vdc)
VOL , SATURATION VOLTAGE (Vdc)
10
5.0
40
0
5.0
10
15
20
25
R
30
35
40
VCC, SUPPLY VOLTAGE (Vdc)
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 kΩ 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)
+15 V
Vin
R1
8.2 k
R4
220 k
R1
D1
6.8 k
R2
R5
220 k
10 k
*
LM393
)
+VCC
Θ
*LM393
)
Vin
15 k
R3
10 M
10 k
VCC
D1 prevents input from going negative by more than 0.6 V.
Vin(min)
R5
for small error in zero crossing.
10
VCC
51 k
51 k
VCC
VCC
RL
10 k
0.001 µF LM393
t
VO
VCC
‘‘ON’’ for t
where:
VO
­ tO + ∆t
∆t = RC
0
t
VCC
R
–
LM393
VC
+
+
51 k
[ 0.4 V peak for 1% phase distortion (∆Θ).
Figure 10. Time Delay Generator
Figure 9. Free–Running Square–Wave Oscillator
–
∆Θ
– VEE
R1 + R2 = R3
1.0 MΩ
Θ
VO
–VEE
R3 ≤
Vin(min)
Vin
ȏ
RL
–
LM393
+
C
VO
+ Vref
Vref
)
n(
VCC
Vin
0
VO
0
VC
0
tO
Vref
Vref
ȏ
t
Figure 11. Comparator with Hysteresis
VCC
RS = R1 | | R2
RS
RL
–
LM393
+
Vref
R1
MOTOROLA ANALOG IC DEVICE DATA
Vth1 = Vref +
(VCC –Vref) R1
R1 + R2 + RL
Vth2 = Vref –
(Vref –VO Low) R1
R1 + R2
R2
5
LM393, LM393A, LM293, LM2903, LM2903V
OUTLINE DIMENSIONS
8
N SUFFIX
PLASTIC PACKAGE
CASE 626–05
ISSUE K
5
–B–
1
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.
4
DIM
A
B
C
D
F
G
H
J
K
L
M
N
F
–A–
NOTE 2
L
C
J
–T–
N
SEATING
PLANE
D
INCHES
MIN
MAX
0.370
0.400
0.240
0.260
0.155
0.175
0.015
0.020
0.040
0.070
0.100 BSC
0.030
0.050
0.008
0.012
0.115
0.135
0.300 BSC
–––
10_
0.030
0.040
M
K
G
H
0.13 (0.005)
T A
M
B
M
M
D SUFFIX
PLASTIC PACKAGE
CASE 751–05
(SO–8)
ISSUE R
D
A
8
5
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.
C
0.25
H
E
M
B
M
1
4
B
MILLIMETERS
MIN
MAX
9.40
10.16
6.10
6.60
3.94
4.45
0.38
0.51
1.02
1.78
2.54 BSC
0.76
1.27
0.20
0.30
2.92
3.43
7.62 BSC
–––
10_
0.76
1.01
e
h
A
C
X 45 _
q
SEATING
PLANE
0.10
A1
B
0.25
M
L
C B
S
A
S
DIM
A
A1
B
C
D
E
e
H
h
L
q
MILLIMETERS
MIN
MAX
1.35
1.75
0.10
0.25
0.35
0.49
0.18
0.25
4.80
5.00
3.80
4.00
1.27 BSC
5.80
6.20
0.25
0.50
0.40
1.25
0_
7_
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the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and
specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters which may be provided in Motorola
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6
◊
*LM393/D*
MOTOROLA ANALOG IC DEVICE
DATA
LM393/D