參數(shù)資料
型號: LV25450PNW
元件分類: 調(diào)諧器
英文描述: AUDIO TUNER, PQFP64
封裝: 10 X 10 MM, SQFP-64
文件頁數(shù): 34/40頁
文件大小: 1251K
代理商: LV25450PNW
LV25450PNW
(2) Power on/off sequence
The power on and power off sequences for the IC must follow the order shown below.
Power on sequence
No.A1668-4/40
Power off sequence
tPUP85
8V system power
5V system power
Period when power is
applied to each pin
8V system power
5V system power
tPDN58
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Power on period (8V
→ 5V)
tPUP85
0
100
ms
Power off period (5V
→ 8V)
tPDN58
0
100
ms
Never apply power to the IC until all the supply voltages reach the predetermined values.
For pin D0, refer to the above section (1), Note 1, and Note 2.
Regarding voltage applied to each power pin, 8V system must always be higher than 5V system (8V system
> 5V).
As long as this relationship is maintained and the power supply rise/fall time is within 100ms, there is no problem if the low voltage side power is started up first.
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