LM193_LM293_LM393(1).pdf

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LOW POWER DUAL BIPOLAR COMPARATORS
[
LM193 - LM293
LM393
LOW POWER DUAL VOLTAGE COMPARATORS
. VERY LOW SUPPLY CURRENT (0.4mA)
INDEPENDENT OF SUPPLY VOLTAGE
(1 mW/comparator at +5V)
± 1V TO
±
18V
. LOW INPUT OFFSET CURRENT : ± 5nA TYP
. INPUT COMMON-MODE VOLTAGE RANGE
N
DIP8
(Plastic Package)
D
SO8
(Plastic Micropackage)
. LOW OUTPUT SATURATION VOLTAGE :
250mV TYP. (I O =4mA)
INCLUDES GROUND
. DIFFERENTIAL INPUT VOLTAGE RANGE
EQUAL TO THE SUPPLY VOLTAGE
. TTL, DTL, ECL, MOS, CMOS COMPATIBLE
OUTPUTS
P
TSSOP8
(Thin Shrink Small Outline Package)
DESCRIPTION
These devices consist of two independent low
power voltage comparators designed specifically to
operate from a single supply over a wide range of
voltages. Operation from split power supplies is also
possible.
These comparators also have a unique characteris-
tic in that the input common-mode voltage range
includes ground even though operatedfrom a single
power supply voltage.
ORDER CODES
Part
Number
Temperature
Range
Package
NDP
LM193
–55, +125 o C
•••
LM293
–40, +105 o C
•••
LM393
0, +70 o C
•••
Example : LM393D
PIN CONNECTIONS (top view)
1
8
1 - Output 1
2 - Inverting input 1
3 - Non-inverting input 1
4-V CC -
5 - Non-inverting input 2
6 - Inverting input 2
7 - Output 2
8-V CC +
2
-
7
3
+
-
6
4
+
5
June 1998
1/10
. WIDE SINGLE SUPPLY VOLTAGE RANGE OR
DUAL SUPPLIES +2V TO +36V OR
. LOW INPUT BIAS CURRENT : 25nA TYP
. LOW INPUT OFFSET VOLTAGE : ± 1mV TYP
214477676.002.png
LM193 - LM293 - LM393
SCHEMATIC DIAGRAM (1/2 LM193)
V
CC
3.5 m A
100 m A
3.5 m A
100 m A
Non-inverting
Input
V
V
V
CC
CC
Inverting
Input
V
CC
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
LM193
LM293
LM393
Unit
V CC
Supply Voltage
±
18 or 36
±
18 or 36
±
18 or 36
V
V id
Differential Input Voltage
±
36
±
36
±
36
V
V i
Input Voltage
–0.3 to +36
–0.3 to +36
–0.3 to +36
V
Output Short-circuit to Ground – (note 1)
Infinite
P tot
Power Dissipation
830
mW
o C
T stg Storage Temperature Range –65 to +150 –65 to +150 –65 to +150 o C
Notes : 1. Short-circuit from the output to V CC + can cause excessive heating and eventual destruction. The maximum output
current is approximately 20mA, independent of the magnitude of V CC + .
Operating Free-air TemperatureRange
–55 to +125
–40 to +105
0 to +70
2/10
T oper
214477676.003.png
LM193 - LM293 - LM393
ELECTRICAL CHARACTERISTICS
V CC + = +5V, V CC – = 0V, T amb =25 o C (unless otherwise specified)
Symbol
Parameter
LM193 - LM293 - LM393
Unit
Min.
Typ.
Max.
V io
Input Offset Voltage – (note 2)
T amb = +25 o C
T min .
mV
1
5
9
3
T amb
3
T max.
I ib
Input Bias Current – (note 3)
T amb = +25 o C
T min .
nA
25
250
400
3
T amb
3
T max.
I io
Input Offset Current
T amb = +25 o C
T min .
nA
5
50
150
3
T amb
3
T max.
A vd
Large Signal Voltage Gain
V CC = 15V, R L = 15k
W
,V o = 1 to 11V
50
200
V/mV
I CC
Supply Current (all comparators)
V CC = 5V, no load
V CC = 30V, no load
0.4
1
1
2.5
mA
V icm
Input Common Mode Voltage Range - (note 4)
T amb = +25 o C
T min .
V CC + -1.5
V CC + -2
V
0
0
3
T amb
3
T max.
V id
Differential Input Voltage - (note 6)
V CC +
V
I sink
Output Sink Current
(V id = -1V, V O = 1.5V)
6
16
mA
V OL
Low Level Output Voltage
(V id = -1V, I sink = 4mA)
T amb =25 o C
T min .
mV
3
T amb
3
T max
250
400
700
I OH
High Level Output Current
(V id = 1V, V CC =V O = 30V)
T amb =25 o C
T min .
3
T amb
3
T max
0.1
1
nA
m
A
t re
Response Time
(R L = 5.1k W
to V CC + ) – (note 5)
m
s
1.3
t rel
Large Signal Response Time
(V i =TTL,V ref = +1.4 V, R L = 5.1k
W
to V CC + )
300
ns
Notes : 2. At output switch point, V O
(0V to V CC + 1.5V).
3. The direction of the input current is out of the IC due to the PNP input stage. This current is essentially constant,
independent of the state of the output, so no loading charge exists on the reference or input lines.
4. The input common-mode volt age of either input signal voltage should not be allowed to go negative by more than
0.3V.
The upper end of the common-mode voltage range is V CC + –1.5V, but either or both inputs can go to +30V without
damage.
5. The response time specified is for a 100mV input step wit h 5mV overdrive. For larger overdrive signals 300ns
can be obtained.
6. Posit ive excursions of input voltage may exceed the power supply level. As long as the other voltage remains
within the common-mode range the comparator will provide a proper output state. The low input voltage state must
not be less than –0.3V (or 0.3V below the negative power supply, if used).
9
1.4V, R S =0
W
with V CC + from 5V to 30V and over the full input common-mode range
3/10
214477676.004.png
LM193 - LM293 - LM393
SUPPLY CURRENT versus
SUPPLY VOLTAGE
INPUT CURRENT versus
SUPPLY VOLTAGE
1
T amb =-55
°
C
80
V=0V
i
R=10
0.8
T amb =0
°
C
9
W
T amb = -55 ° C
i
60
T = +25
°
C
T amb =0 ° C
T amb = +25 ° C
0.6
T amb = +70
°
C
40
0.4
T amb = +125 ° C
20
0.2
T amb = +125
C
R L
T amb = +70 ° C
0
10
20
30
40
0
10
20
30
40
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
OUTPUT SATURATION VOLTAGE
versus OUTPUT CURRENT
RESPONSE TIME FOR VARIOUS INPUT
OVERDRIVES - NEGATIVE TRANSITION
10 1
Out of saturation
6
5
4
3
2
1
0
0
-50
-100
Input overdrive : 5mV
10 0
5V
20mV
5.1k
W
T amb = +125
°
C
e I
10 -1
e o
100mV
T amb = -55
°
C
10 -2
T amb = +25
°
C
T amb = +25
°
C
10 -3
10 -2
10 -1
10 0
10 1
10 2
0
0.5
1
1.5
2
OUTPUT SINK CURRENT (mA)
TIME ( m s)
RESPONSE TIME FOR VARIOUS INPUT
OVERDRIVES - POSITIVE TRANSITION
6
5
4
3
2
1
0
100
50
Input overdrive : 100mV
5mV
20mV
5V
5. 1 k
W
e I
e o
T amb = +25 ° C
0
0
0.5
1
1.5
2
TIME (
m
s)
4/10
°
214477676.005.png
LM193 - LM293 - LM393
TYPICAL APPLICATIONS
BASIC COMPARATOR
DRIVING CMOS
V CC
=5V
5V
15k
W
100k
W
+V (ref)
+V (ref)
1/2
LM193
&
1/2
LM193
V O
-V (ref)
-V (ref)
DRIVING TTL
LOW FREQUENCY OP AMP
5V
5V
15k
W
10k
W
1/2
LM193
+V (r ef )
~
e I
1/2
LM193
&
e o
-V (r ef )
100k
W
0.5
m
F
&
1k
W
A = 100
V
LOW FREQUENCY OP AMP
TRANSDUCER AMPLIFIER
(e = 0V for e = 0V)
I
o
5V
5V
Magnetic pick-up
10k
W
3k
W
15k
W
1/2
LM193
2N 2222
1/2
LM193
e o
~
e I
0.5
m
F
20M
W
100k W
W
1k
W
e o
10k
A = 100
V
5/10
214477676.001.png

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