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參數(shù)資料
| 型號(hào)： | TS391ILT |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Low Power Single Voltage Comparator |
| 中文描述： | 低功率單電壓比較器 |
| 文件頁(yè)數(shù)： | 4/7頁(yè) |
| 文件大小： | 110K |
| 代理商： | TS391ILT |
Electrical Characteristics
TS391
4/7
3
Electrical Characteristics
Table 3.
V
CC+
= +5V, V
CC-
= 0V, T
amb
= 25°C (unless otherwise specified)
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
V
io
Input Offset Voltage
(1)
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).
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.
T
min.
≤
T
amb
≤
T
max.
1
5
9
mV
I
io
Input Offset Current
T
min.
≤
T
amb
≤
T
max.
5
50
150
nA
I
ib
Input Bias Current
(2)
2.
T
min.
≤
T
amb
≤
T
max.
V
CC
= 15V, R
L
= 15k
,
V
o
= 1 to 11V
25
250
400
nA
A
vd
Large Signal Voltage Gain
50
200
V/mV
I
CC
Supply Current
V
CC
= 5V, no load
V
CC
= 30V, no load
0.2
0.5
0.5
1.25
mA
V
icm
Input Common Mode Voltage Range
(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.
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 below the negative power supply, if used).
T
min.
≤
T
amb
≤
T
max.
0
0
V
CC+
-1.5
V
CC+
-2
V
CC+
V
V
id
Differential Input Voltage
(4)
4.
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, V
CC
= V
O
= 30V
T
min.
≤
T
amb
≤
T
max.
250
400
700
mV
I
OH
High Level Output Current
V
id
= 1V, V
CC
= V
O
= 30V
T
min.
≤
T
amb
≤
T
max.
R
L
= 5.1k
to V
CC+
(5)
0.1
1
nA
μA
tre
Small Signal Response Time
5.
The response time specified is for a 100mV input step with 5mV overdrive. For larger overdrive signals 300ns can be
obtained.
1.3
μs
t
rel
Large Signal Response Time
V
i
= TTL, V
ref
= +1.4V,
R
L
= 5.1k
to V
CC+
300
ns
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