Philips Semiconductors
Product specification
Low power dual voltage comparator
LM193/A/293/A/393/A/2903
DESCRIPTION
The LM193 series consists of two independent precision voltage
comparators with an offset voltage specification as low as 2.0mV
max. for two comparators which were designed specifically to
operate from a single power supply over a wide range of voltages.
Operation from split power supplies is also possible and the low
power supply current drain is independent of the magnitude of the
power supply voltage. These comparators also have a unique
characteristic in that the input common-mode voltage range includes
ground, even though operated from a single power supply voltage.
The LM193 series was designed to directly interface with TTL and
CMOS. When operated from both plus and minus power supplies,
the LM193 series will directly interface with MOS logic where their
low power drain is a distinct advantage over standard comparators.
PIN CONFIGURATION
D, N, FE Packages
OUTPUT A
INVERTING INPUT A
NON–INVERTING INPUT A
GND
1
2
3
4
A
B
8
7
6
5
V+
OUTPUT B
INVERTING INPUT B
NON–INVERTING INPUT B
TOP VIEW
SL00079
FEATURES
Figure 1. Pin Configuration
•
Wide single supply voltage range 2.0VDC to 36VDC or dual
supplies
±1.0VDC,
to
±18VDC
•
Very low supply current drain (0.8mA) independent of supply
voltage (2.0mW/comparator at 5.0VDC)
EQUIVALENT CIRCUIT
V
+
•
Low input biasing current 25nA
•
Low input offset current
±5nA
and offset voltage
±2mV
•
Input common-mode voltage range includes ground
•
Differential input voltage range equal to the power supply voltage
•
Low output 250mV at 4mA saturation voltage
•
Output voltage compatible with TTL, DTL, ECL, MOS and CMOS
logic systems
3.5µA
100µA
3.5µA
100µA
Q2
Q3
Q4
OUTPUT
+
INPUT
– INPUT
Q1
Q8
Q7
Q5
Q6
APPLICATIONS
•
A/D converters
•
Wide range VCO
•
MOS clock generator
•
High voltage logic gate
•
Multivibrators
ORDERING INFORMATION
DESCRIPTION
8-Pin Ceramic Dual In-Line Package (Cerdip)
8-Pin Ceramic Dual In-Line Package (Cerdip)
8-Pin Plastic Dual In-Line Package (DIP)
8-Pin Plastic Small Outline (SO) Package
8-Pin Plastic Dual In-Line Package (DIP)
8-Pin Ceramic Dual In-Line Package (Cerdip)
8-Pin Ceramic Dual In-Line Package (Cerdip)
8-Pin Plastic Small Outline (SO) Package
8-Pin Plastic Dual In-Line Package (DIP)
8-Pin Plastic Dual In-Line Package (DIP)
8-Pin Plastic Dual In-Line Package (DIP)
8-Pin Plastic Dual In-Line Package (DIP)
(One Comparator Only)
SL00080
Figure 2. Equivalent Circuit
TEMPERATURE RANGE
-55°C to +125°C
-25°C to +85°C
-25°C to +85°C
-25°C to +85°C
-25°C to +85°C
0 to +70°C
0 to +70°C
0 to +70°C
0 to +70°C
0 to +70°C
-40°C to +125°C
-40°C to +125°C
ORDER CODE
LM193FE
LM293FE
LM293N
LM293D
LM293AN
LM393AFE
LM393FE
LM393D
LM393N
LM393AN
LM2903N
LM2903D
DWG #
0580A
0580A
SOT97-1
SOT96-1
SOT97-1
0580A
0580A
SOT96-1
SOT97-1
SOT97-1
SOT97-1
SOT97-1
1995 Nov 27
1
853-0932 16050
Philips Semiconductors
Product specification
Low power dual voltage comparator
LM193/A/293/A/393/A/2903
ABSOLUTE MAXIMUM RATINGS
SYMBOL
V
CC
V
IN
P
D
Supply voltage
Differential input voltage
Input voltage
Maximum power dissipation,
T
A
=25°C (still-air)
1
F package
N package
D package
Output short-circuit to ground
2
I
IN
T
A
Input current (V
IN
<-0.3V
DC
)
3
Operating temperature range
LM193/193A
LM293/293A
LM393/393A
LM2903
Storage temperature range
Lead soldering temperature
(10sec max)
780
1160
780
Continuous
50
-55 to +125
-25 to +85
0 to +70
-40 to +125
-65 to +150
300
mA
°C
°C
°C
°C
°C
°C
mW
mW
mW
PARAMETER
RATING
36 or
±18
36
-0.3 to +36
UNIT
V
DC
V
DC
V
DC
T
STG
T
SOLD
NOTES:
1. Derate above 25°C, at the following rates:
F package at 6.2mW/°C
N package at 9.3mW/°C
D package at 6.2mW/°C
2. Short circuits from the output to V+ can cause excessive heating and eventual destruction. The maximum output current is approximately
20mA independent of the magnitude of V+.
3. This input current will only exist when the voltage at any of the input leads is driven negative. It is due to the collector-base junction of the
input PNP transistors becoming forward biased and thereby acting as input diode clamps. In addition to this diode action, there is also lateral
NPN parasitic transistor action on the IC chip. This transistor action can cause the output voltages of the comparators to go to the V+ voltage
level (or to ground for a large overdrive) for the time duration that an input is driven negative. This is not destructive and normal output states
will re-establish when the input voltage, which was negative, again returns to a value greater than -0.3V
DC
.
1995 Nov 27
2
Philips Semiconductors
Product specification
Low power dual voltage comparator
LM193/A/293/A/393/A/2903
DC AND AC ELECTRICAL CHARACTERISTICS
V+=5VDC, LM193/193A: -55°C T
A
≤
+125°C, unless otherwise specified. LM293/293A: -25°C T
A
≤
+85°C, unless otherwise specified.
LM393/393A: 0°C T
A
≤
+70°C, unless otherwise specified. LM2903: -40°C T
A
≤
+125°C, unless otherwise specified.
SYMBOL
V
OS
V
CM
V
IDR
PARAMETER
Input offset voltage
2
Input common-mode
voltage range
3, 6
Differential input
voltage
1
Input bias current
4
TEST CONDITIONS
T
A
=25°C
Over temp.
T
A
=25°C
Over temp.
Keep all V
IN
s
≥0V
DC
(or
V- if need)
I
IN(+)
or I
IN(-)
with output
in linear range
T
A
=25°C
Over temp.
I
IN(+)
-I
IN(-)
T
A
=25°C
Over temp.
V
IN(-)
≥1V
DC
, V
IN(+)
=0,
V
0
≤1.5V
DC
T
A
=25°C
V
0
=5V
DC
, T
A
=25°C
V
IN(+)
≥1V
DC
, V
IN(-)
=0
V
0
=30V
DC
Over temp.
R
L
=∞ on both
comparators, T
A
=25°C
R
L
=∞ on both
comparators, V+=30V
R
L
≥15kΩ,
V+=15V
DC
,
T
A
=25°C
V
IN(-)
≥1V
DC
, V
IN(+)
=0,
I
SINK
≤4mA
V
OL
Saturation voltage
T
A
=25°C
Over temp.
Large-signal
response time
Response time
5
V
IN
=TTL logic swing,
V
REF
=1.4V
DC
V
RL
=5V
DC
, R
L
=5.1kΩ,
T
A
=25°C
V
RL
=5V
DC
, R
L
=5.1kΩ
T
A
=25°C
250
400
700
250
400
700
400
400
700
mV
mV
50
6.0
0
0
LM193A
Min
Typ
±1.0
Max
±2.0
±4.0
V+-1.5
V+-2.0
V+
0
0
LM293A/393A
Min
Typ
±1.0
Max
±2.0
±4.0
V+-1.5
V+-2.0
V+
0
0
Min
LM2903
Typ
±2.0
±9
Max
±7.0
±15
V+-1.5
V+-2.0
V+
UNIT
mV
mV
V
V
V
I
BIAS
25
100
300
±25
±100
6.0
25
250
400
±50
±150
6.0
25
200
±5
±50
16
0.1
250
500
±50
±200
nA
nA
nA
nA
mA
nA
I
OS
Input offset current
±3.0
±5.0
I
OL
Output sink current
16
0.1
1.0
16
0.1
1.0
Output leakage
current
1.0
µA
0.8
1
200
1
2.5
50
0.8
1
200
1
2.5
25
0.8
1
100
1
2.5
mA
mA
V/mV
I
CC
Supply current
A
V
Voltage gain
t
LSR
300
300
300
ns
t
R
1.3
1.3
1.3
µs
1995 Nov 27
3
Philips Semiconductors
Product specification
Low power dual voltage comparator
LM193/A/293/A/393/A/2903
DC ELECTRICAL CHARACTERISTICS
(Continued)
V+=5VDC, LM193/193A: -55°C T
A
≤
+125°C, unless otherwise specified. LM293/293A: -25°C T
A
≤
+85°C, unless otherwise specified.
LM393/393A: 0°C T
A
≤
+70°C, unless otherwise specified. LM2903: -40°C T
A
≤
+125°C, unless otherwise specified.
SYMBOL
V
OS
V
CM
V
IDR
PARAMETER
Input offset voltage
2
Input common-mode
voltage range
3, 6
Differential input
voltage
1
Input bias current
4
TEST CONDITIONS
T
A
=25°C
Over temp.
T
A
=25°C
Over temp.
Keep all V
IN
s
≥0V
DC
(or V-if need)
I
IN(+)
or I
IN(-)
with output
in linear range
T
A
=25°C
Over temp.
I
IN(+)
-I
IN(-)
T
A
=25°C
Over temp.
V
IN(-)
≥1V
DC
, V
IN(+)
=0,
V
0
≤1.5V
DC
T
A
=25°C
V
IN(+)
≥1V
DC
, V
IN(-)
=0,
V
0
=5V
DC
T
A
=25°C
V
0
=30VDC over temp.
R
L
=∞ on both comparators,
T
A
=25°C
R
L
=∞ on both comparators,
V+=30V
A
V
V
OL
Voltage gain
R
L
≥15kΩ,
V+=15V
DC
V
IN(-)
≥1V
DC
, V
IN(+)
=0,
I
SINK
≤4mA
T
A
=25°C
Over temp.
V
IN
=TTL logic swing,
V
REF
=1.4V
DC
, V
RL
=5V
DC
R
L
=5.1kΩ,
T
A
=25°C
V
RL
=5V
DC
,
R
L
=5.1kΩ
T
A
=25°C
50
200
6.0
0
0
LM193
Min
Typ
±2.0
Max
±5.0
±9.0
V±-1.5
V±-2.0
V+
0
0
Min
LM293/393
Typ
±2.0
Max
±5.0
±9.0
V+-1.5
V+-2.0
V+
UNIT
mV
mV
V
V
V
I
BIAS
25
100
300
±25
±100
6.0
25
250
400
±50
±150
nA
nA
nA
nA
I
OS
Input offset current
±3.0
±5.0
I
OL
Output sink current
16
16
mA
Output leakage current
0.1
1.0
0.8
1
2.5
50
0.1
1.0
0.8
1
2.5
200
nA
µA
mA
mA
V/mV
I
CC
Supply current
Saturation voltage
250
400
700
250
400
700
mV
mV
t
LSR
Large signal
response time
300
300
ns
t
R
Response time
5
1.3
1.3
µs
NOTES:
1. Positive excursions of input voltage may exceed the power supply level by 17V. 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
DC
(V
DC
below the magnitude of the negative power supply, if used).
2. At output switch point, V
O
≈
1.4V
DC
, R
S
=0Ω with V+ from 5V
DC
to 30V
DC
and over the full input common-mode range (0V
DC
to V+-1.5V
DC
).
3. The input common-mode voltage or 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+-1.5V, but either or both inputs can go to 30V
DC
without damage.
4. 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 change exists on the reference or input lines.
5. The response time specified is for a 100mV input step with a 5mV overdrive.
6. For input signals that exceed V
CC
, only the over-driven comparator is affected. With a 5V supply, V
IN
should be limited to 25V maximum,
and a limiting resistor should be used on all inputs that might exceed the positive supply.
1995 Nov 27
4
Philips Semiconductors
Product specification
Low power dual voltage comparator
LM193/A/293/A/393/A/2903
EQUIVALENT CIRCUIT
V
+
700kΩ
100kΩ
+ VC
FREQUENCY
CONTROL
VOLTAGE
INPUT
50kΩ
–
10
0.1µF
20kΩ
20kΩ
500pF
30kΩ
5.1kΩ
3.0kΩ
LM393
–
LM393
V
–
/2
OUTPUT 1
+
+
OUTPUT 2
+
LM393
V
+
/2
–
NOTES:
V+ = 30V
DC
+ 250m V
DC
< V
C
= 50V
DC
700H < f
O
= 100kHz
Two–Decade High–Frequency VCO
+
V (12V
DC
)
+
V
2R
S
REF
HI
R
S
10KΩ
+
–
LAMP
+
V
+
5V
IN
+
DC
360
2R
S
2N2222
–
Limit Comparator
+
+
V
REF 4
100
–
100k
+
5V
360
DC
V
+
+
–
+
+
V
V
O
REF 3
–
100
100k
+
5V
360
V
+
200kΩ
2.0kΩ
V
+
0.1µF
+
–
V
O
0
DC
TTL–to–MOS Logic Converter
+
V
+
REF 2
–
100k
+
5V
360
DC
100kΩ
100
+
V
+
REF 1
–
100
100k
200kΩ
CRYSTAL
I – 100kHz
Visible Voltage Indicator
NOTE:
Input of unused comparators should be grounded.
Crystal–Controlled Oscillator
SL00081
Figure 3. Equivalent Circuit
1995 Nov 27
5
