LM2901
Electrical characteristics
3
Electrical characteristics
Table 3.
Symbol
Electrical characteristics at V
CC+
= 5V, V
cc-
= GND, T
amb
= 25°C
(unless otherwise specified)
Parameter
Input offset voltage
(1)
Min.
Typ.
Max.
Unit
V
io
T
amb
= +25°C
T
min
≤
T
amb
≤
T
max
Input offset current
T
amb
= +25°C
T
min
≤
T
amb
≤
T
max
Input bias current (I
I+
or I
I-
)
(2)
T
amb
= 2.5V
T
min
≤
T
amb
≤
T
max
Large signal voltage gain
(V
cc
= 15V,R
L
=15kΩ, V
o
=1 to 11V)
Supply current (all comparators)
V
CC
= +5V, no load
V
CC
= +30V, no load
Input common mode voltage range
(V
cc
= 30V)
(3)
T
amb
= +25°C
T
min
≤
T
amb
≤
T
max
Differential input voltage
(4)
Low level output voltage
0
0
25
1
7
15
mV
I
io
5
50
150
nA
I
ib
25
250
400
nA
A
vd
200
V/mV
I
cc
1.1
1.3
2
2.5
mA
V
icm
V
CC+
-1.5
V
CC+
-2
V
CC+
V
V
id
V
V
OL
V
id
= -1V, I
sink
= 4mA
T
amb
= +25°C
T
min
≤
T
amb
≤
T
max
High level output current
(V
CC
=V
o
=30V, V
id
= 1V)
T
amb
= +25°C
T
min
≤
T
amb
≤
T
max
Output sink current (V
id
= -1V,V
o
= 1.5V)
Small signal response time
(5)
(R
L
= 5.1kΩ connected to V
CC+
)
Large signal response time
(6)
TTL input (V
ref
= +1.4 V, R
L
=5.1kΩ to
V
CC+
)
Output signal at 50% of final value
Output signal at 95% of final value
6
250
400
700
mV
I
oh
0.1
1
16
1.3
nA
µA
mA
µs
I
sink
t
re
t
rel
500
1
ns
µs
1.
At output switch point, V
O
≈
1.4V, R
S
= 0 with V
CC+
from 5V to 30V, and over the full input common-mode
range (0V to V
CC+
–1.5V).
2. 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 of input lines.
5/16
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