參數(shù)資料
型號: LC75397E
廠商: Sanyo Electric Co.,Ltd.
英文描述: Single Chip Electronic Volume and Tone Control System(單片電子音量和音調(diào)控制系統(tǒng))
中文描述: 單芯片電子音量和音調(diào)控制系統(tǒng)(單片電子音量和音調(diào)控制系統(tǒng))
文件頁數(shù): 11/26頁
文件大?。?/td> 561K
代理商: LC75397E
No. 6108-11/26
LC75397E
Continued from preceding page.
Pin No.
Pin
Function
Equivalent circuit
A capacitor with a value of a few tens of μF must be inserted
between Vref and AV
SS
(V
SS
) to reduce power supply ripple
in the 0.5
×
V
DD
voltage generator block used for analog
ground.
21
Vref
Chip enable
When this pin goes from high to low, data is written to an
internal latch and the analog switches operate. Data transfers
are enables when this pin is at the high level.
25
CE
Electronic volume control test pin.
This pin must be held at the V
SS
potential.
22
TEST
Unused pins. These pins must either be left open or
connected to V
SS
.
16
17
20
27
28
29
57
NC
Serial data and clock inputs for chip control
24
23
DI
CL
Ground
56
V
SS
Power supply
26
V
DD
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