SC9235S Ver la hoja de datos (PDF) - Silan Microelectronics

Número de pieza

componentes Descripción

Fabricante

SC9235S

ELECTRONIC VOLUME

Silan Microelectronics 

Silan

Semiconductors

SC9235

FUNCTION DESCRIPTION

1. VOLUME CIRCUIT

Volume circuit consist of ladder resistor and analog switch.

Tap for loudness is connected to step 10 (20dB).

Attenuation is as follows when resistor (3.9kΩ) is connected between TP pin and pin.

* Equivalence circuit

OUT

IN

S0

S1

S2

28.5kΩ

S9

TP

S10

S11

20.25kΩ

S30

GND

S31

* Volume step and attenuation

(Attenuation is as follows when resistor (3.9kΩ) is

connected between TP pin and GND pin.)

Step Attenuation Step Attenuation

0

0(dB)

16

32(dB)

1

2

17

34

2

4

18

36

3

6

19

38

4

8

20

40

5

10

21

42

6

12

*22

46

7

14

23

50

8

16

24

54

9

18

25

58

10

20

26

62

11

22

27

66

12

24

28

70

13

26

29

74

14

28

30

78

15

30

31

∞

* Step 22 (46dB) initial value.

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.0 2000.12.31

4

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