LM293 STMicroelectronics, LM293 Datasheet - Page 4

• Manufacturer Part Number: LM293
• Description: Low power dual voltage comparator
• Manufacturer: STMicroelectronics

Specifications of LM293

• Wide Single-supply Voltage Range Or Dual Supplies: +2 V to +36 V or ±1 V to ±18 V
• Low Input Bias Current: 20 nA typ.
• Low Input Offset Current: ±3 nA typ.
• Low Input Offset Voltage: ±1 mV typ.
• Low Output Saturation Voltage: 80 mV typ. (Isink= 4 mA)

Electrical characteristics
3
Table 3.
1. At output switch point, V
2. The direction of the input current is out of the IC due to the PNP input stage. This current is essentially constant,
3. Positive excursions of input voltage may exceed the power supply level. As long as the other voltage remains within the
4. The response time specified is for a 100 mV input step with 5 mV overdrive. For larger overdrive signals 300 ns can be
4/18
Symbol
V
I
A
I
I
V
V
t
V
independent of the state of the output, so no loading charge exists on the reference of input lines.
common-mode range, the comparator will provide a proper output state. The low input voltage state must not be less than
-0.3 V (or 0.3 V below the negative power supply, if used).
obtained.
sink
OH
t
I
I
CC
rel
io
ib
OL
re
vd
CC
io
id
+
-1.5 V).
Input offset voltage
Input offset current
Input bias current (I
Large signal voltage gain
V
Supply current (all comparators)
Differential input voltage
Low level output voltage
V
T
High level output current
V
T
Output sink current V
Response time
R
Large signal response time
R
e
min
min
l
CC
id
CC
L
L
T
T
T
V
V
= TTL,V
= 5.1kΩ connected to V
= 5.1kΩ connected to V
V
min
min
min
= -1V, I
Electrical characteristics
CC
CC
CC
= 15V, R
= V
≤ T
≤ T
= +5V, no load
= +30V, no load
≤ T
≤ T
≤ T
+
amb
o
amb
= +5V, V
= 30V, V
amb
amb
amb
(ref)
sink
≤ T
≤ T
L
= +1.4v
= 4mA
o
≤ T
≤ T
≤ T
= 15kΩ, V
max
(4)
max
≈ 1.4 V, R
Parameter
max
max
max
id
CC
+
(1)
= 1V
or I
id
-
= 0V, T
= 1V, V
-
(3)
)
o
s
CC
CC
(2)
= 1V to 11V
= 0 with V
+
+
o
amb
= 1.5V
= +25°C (unless otherwise specified)
CC
Doc ID 2164 Rev 12
+
from 5 V to 30 V, and over the full common-mode range (0 V to
Min.
50
6
LM193A - LM293A
Typ.
0.45
200
300
LM393A
0.6
0.1
1.3
20
80
18
1
3
Max.
V
100
100
300
400
700
2.5
25
CC
2
4
1
1
+
Min
50
6
LM193- LM293
LM193, LM293, LM393
Typ.
0.45
200
300
0.6
0.1
1.3
LM393
20
80
18
1
3
V
Max.
150
250
400
400
700
2.5
50
CC
5
9
1
1
+
V/mV
Unit
mV
mA
mV
mA
nA
nA
nA
μA
ns
μs