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三合微科股份有限公司
SM7153
SAMHOP Microelectronics Corp. ELECTRONIC VOLUME
CONTROLLER
(4) Power Supply
(a) Dual Power Supply
VDD
A-GND
Vss
U/D OSC
INH DCO
VDD
DC UP DOWN
+VDD
OSC
U/D
OV
-Vss
(b) Single Power Supply
Figure 6
VDD
A-GND
Vss
U/D OSC
INH DCO
VDD
+VDD
1/2 VDD
OV(Vss)
Figure 7
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