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參數(shù)資料
| 型號： | C397 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Single General Purpose Voltage Comparator |
| 中文描述： | 單通用電壓比較器 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大?。?/td> | 199K |
| 代理商： | C397 |
Electrical Characteristics
Boldface
limits apply at temperature extremes. (Continued)
Unless otherwise specified, all limits guaranteed for at T
J
= 25C, V
S
= 5V.
Symbol
Parameter
Conditions
Min
(Note 6)
Typ
(Note 5)
120
Max
(Note 6)
Units
A
V
Voltage Gain
V
S
= 15V, V
O
= 1.4V to 11.4V,
R
L
>
= 15k
connected to V
S
Input Overdrive = 5mV
R
L
= 5.1k
connected to 5V,
C
L
= 15pF
Input Overdrive = 50mV
R
L
= 5.1k
connected to 5V,
C
L
= 15pF
Input Overdrive = 5mV
R
L
= 5.1k
connected to 5V,
C
L
= 15pF
Input Overdrive = 50mV
R
L
= 5.1k
connected to 5V,
C
L
= 15pF
V/mV
t
PHL
Propagation Delay (High to Low)
900
ns
250
t
PLH
Propagation Delay (Low to High)
940
μs
440
ns
Note 1:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is
intended to be functional, but specific performance is not guaranteed. For guaranteed specifications and the test conditions, see the Electrical Characteristics.
Note 2:
Human body model, 1.5k
in series with 100pF.
Note 3:
Machine model, 0
in series with 200pF.
Note 4:
The maximum power dissipation is a function of T
J(MAX)
,
θ
JA
, and T
A
. The maximum allowable power dissipation at any ambient temperature is
P
D
= (T
J(MAX)
- T
A
)/
θ
JA
. All numbers apply for packages soldered directly onto a PC board.
Note 5:
Typical values represent the most likely parametric norm.
Note 6:
All limits are guaranteed by testing or statistical analysis.
Note 7:
The input common-mode voltage of either input should not be permitted to go below the negative rail by more than 0.3V. The upper end of the
common-mode voltage range is V
S
- 1.5V at 25C.
L
www.national.com
3
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