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參數(shù)資料
| 型號： | LM2901HYDT |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | High Temperature Low Power Quad Voltage Comparators |
| 中文描述： | 高溫低功耗四電壓比較器 |
| 文件頁數(shù)： | 4/7頁 |
| 文件大小： | 428K |
| 代理商： | LM2901HYDT |
Electrical Characteristics
LM2901H
4/7
3
Electrical Characteristics
Table 2.
V
CC+
= 5V, V
CC-
= GND, T
amb
= 25°C (unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
I O
Input Offset Voltage
(1)
1.
At output switch point, VO
≈
1.4V, RS = 0 with V
CC+
from 5V to 30V, and over the full input common-mode
range (0V to V
CC+
–1.5V).
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
T
amb
= +25°C
T
min
≤
T
amb
≤
T
max.
1
7
15
mV
I
IO
Input Offset Current
T
amb
= +25°C
T
min
≤
T
amb
≤
T
max.
5
50
150
nA
I
IB
Input Bias Current (I
I+
or I
I-
)
(2)
2.
T
amb
=+ 25°C
T
min
≤
T
amb
≤
T
max.
25
250
400
nA
A
VD
Large Signal Voltage Gain
V
CC
= 15V, R = 15k
,
V
o
= 1 to 11V
25
200
V/mV
I
CC
Supply Current
(all comparators)
V
CC
= +5V, no load
V
CC
= +30V, no load
1.1
1.3
2
2.5
mA
V
ICM
Input Common Mode Voltage
Range (V
cc
= 30V)
(3)
3.
The input common-mode voltage 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.
T
amb
= +25°C
T
min
≤
T
amb
≤
T
max.
0
0
V
CC+
-1.5
V
CC+
- 2
V
V
ID
Differential Input Voltage
(4)
4.
The response time specified is for a 100mV input step with 5mV overdrive.
V
CC+
V
V
OL
Low Level Output Voltage
V
id
= -1V, I
sink
= 4mA
T
amb
= +25°C
T
min
≤
T
amb
≤
T
max
250
400
700
mV
I
OH
High Level Output Current
V
CC
= V
o
= 30V, V
id
= 1V
T
amb
= +25°C
T
min
≤
T
amb
≤
T
max
0.1
1
nA
μ
A
I
SINK
Output Sink Current
V
id
= -1V, V
o
= 1.5V
T
amb
= +25°C
T
min
≤
T
amb
≤
T
max
6
2
16
mA
t
RE
Small Signal Response
Time
(5)
5.
Positive 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 bellow the negative power supply, if used)
R
L
= 5.1k
connected
to V
CC+
1.3
μ
s
t
REL
Large Signal Response
Time
(6)
6.
Maximum values are guaranteed by design.
TTL input, V
ref
= +1.4V,
R
L
= 5.1k
to V
CC+
– Output Signal at 50% of
final value
– Output Signal at 95% of
final value
500
1
ns
μ
s
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