UPC1892CT 查看數據表（PDF） - NEC => Renesas Technology
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UPC1892CT Datasheet PDF : 42 Pages
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Explanation of Pins (3/4)
Pin number/name
16 Treble control
17 Bass control
18 L+R-ch volume control
19 Volume control
20 Balance control
Equivalent circuit
(Pins 17, 18, 19 and 20 are same as pin 16.)
VCC
40µ A
23 Effect control
16
75 kΩ
75 kΩ
VCC
40µ A
µPC1892
Description
Sound control pin.
Surround effect control pin.
Input impedance: approx. 100 kΩ.
23
50 kΩ
50 kΩ
24 Reference voltage
VCC
VCC
24
+
–22 µF
20 kΩ
20 kΩ 10 kΩ
3 kΩ
25 L-ch signal input
26 R-ch signal input
(Pin 26 is same as pin 25.)
VCC
–+
25
22 µF
V 1
2 CC
VCC
18.3 kΩ
5µA
18.3 kΩ
Input impedance: approx. 40 kΩ.
8
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