NJW1201AFH2 datasheet(1/30 Pages) NISSHINBO

Part #	NJW1201AFH2

Description	2ch Electronic Volume with Dynamic Bass Boost

PDF	30 Pages

Scroll/Zoom	100%

Manufacturer	NISSHINBO [Nisshinbo Micro Devices Inc.]

Direct Link	https://www.nisshinbo-microdevices.co.jp/en/

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1 / 30 page

NJW1201A

– 1 –

Ver.1.1E

2ch Electronic Volume with Dynamic Bass Boost

GENERAL DESCRIPTION

PACKAGE OUTLINE

The NJW1201A is a 2-channel electronic volume with Dynamic

Bass Boost. 5+1diff-in 1-out selector. It includes 5+1diff input

selector, 1st-volume, 2nd-volume, 3 band Tone, Sound mode,

Dynamic Bass Boost. The NJW1201A performs low noise and low

distortion characteristics with resistance ladder circuit.

All of functions are controlled by I

2C BUS interface.

FEATURES

Operating Voltage

+7.5 to +10V

I

2C BUS Control

Low output noise

-110dBVtyp.

Low THD

0.01%typ.

5+1diff Input Selector

Input Gain

0 to

+30dB/2dBstep

1st-Volume

0 to -62dB / 1dBstep, MUTE

2nd-Volume

0 to -28dB / 2dBstep, MUTE

3 Band Tone

0 to

±14dB/ 2dBstep (Treble,Middle), 0 to ±17.5dB/ 2.5dBstep (Bass)

Sound mode

3 modes (eala, ealaTreble, eala & ealaTreble)

Sound Gain

2-level Gains

Dynamic Bass Boost

3-level Gains

Bi-CMOS Technology

Package Outline

LQFP52-H2

BLOCK DIAGRAM

+

INPUT(Ach)

+

4.7u

22u

1u

3k

4.7u

INPUT(Bch)

OUTPUT(Ach)

OUTPUT(Bch)

GND

V+

SCL

SDA

VREF

1

2

3

4

5

6

7

8

9

10

11

12

13

40

41

42

43

44

45

46

47

48

49

50

51

52

26

25

24

23

22

21

20

19

18

17

16

15

14

39

38

37

36

35

34

33

32

31

30

29

28

27

C14

C15

R7

R8

C16

C17

C18

ExtSense terminal.

Possible to unconnect

AGC Smoothing Filter

for Dynamic Bass Boost

Filter terminal

for Sound Mode

INPUT4 Bch

INPUT5 Bch

INPUT6 Bch

INPUT6 Diff

INPUT6 Ach

INPUT5 Ach

INPUT4 Ach

C40

C39

C38

C37

C36

C35

C34

C33

R9

C19

C20

68n

C21

Filter terminal

for Sound Mode

NJW1201AFH2

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NJW1201AFH2 Datasheet(PDF) 1 Page - Nisshinbo Micro Devices Inc.

NJW1201AFH2 Datasheet(HTML) 1 Page - Nisshinbo Micro Devices Inc.

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