BD34701KS2-E2 datasheet(1/32 Pages) ROHM

部件名	BD34701KS2-E2

功能描述	7.1ch Sound Processor with Built-in Micro-step Volume

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制造商	ROHM [Rohm]

网页	http://www.rohm.com

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Datasheet

○Product structure：Silicon monolithic integrated circuit ○This product is not designed protection against radioactive rays

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TSZ22111・14・001

TSZ02201-0C2C0E100080-1-2

017.Sep.2013 Rev.002

Logic

FR

Volume

FL

Volume

SW

Volume

C

Volume

SR

Volume

SL

Volume

SBR

Volume

SBL

Volume

Mode

selector

Rec

ADC

26

25

24

23

22

21

1

2

345

6

7

8

9

10

11

12

13

20

19

18

17

16

15

14

30

29

28

27

34

33

32

31

38

37

36

35

39

GSM

40

41

42

43

44

45

46

47

48

49

50

51

52

Main

OUTSBR OUTSBL

OUTSR

OUTSL

OUTSW

OUTC

CL

DGND

DA

47 µ

0.1µ

VEE

47µ

0.1 µ

OUTFR OUTFL

SUBR

SUBL

RECR

RECL

GND

INL8

INR8

INL7

INR7

GND

INL6

INR6

INL5

INR5

INL4

INR4

INL3

INR3

INL2

INR2

INL1

INR1

GND

SBLIN

SBRIN

SLIN

SRIN

CIN

SWIN

FLIN

FRIN

GND

ADCR

ADCL

CHP

VCC

Mode

selector

Mode

selector

Mode

selector

Sub

MULTI

INPUT

STEREO

INPUT

INR9

INL12

INR12

INL11

INR11

INL10

INR10

INL9

Sound Processors for Home Theater Systems

7.1ch Sound Processor

with Built-in Micro-step Volume

BD34701KS2

General description

The BD34701KS2 is an 8ch independent volume system.

The system is designed in such a way, that it can be

used as a 7.1ch surround system. Micro-step volume

can reduce the switching shock noise when volume

changes, so it can achieve a high-quality set.

8ch dual input selector for zone 2 and multi channel

input enable the connection of a number of sources.

Features

8ch input selectors

Micro-step volume can reduce the switching shock

noise when volume changes.

Zone 2 can support.

2-wire serial bus control, corresponding to 3.3/5V.

Applications

Most suitable for the AV receiver, home theater

system

Key Specifications

Total harmonic distortion:

0.0004%(Typ.)

Maximum output voltage:

4.2Vrms(Typ.)

Output noise voltage:

1.5uVrms(Typ.)

Residual output noise voltage:

1.0uVrms(Typ.)

Cross-talk between channels:

-105dB(Typ.)

Cross-talk between selectors:

-105dB(Typ.)

Package

W(Typ.) x D(Typ.) x H(Max.)

SQFP-T52

12.00mm x 12.00mm x 1.50mm

SQFP-T52

Typical Application Circuit

Figure 1. Application Circuit

类似零件编号 - BD34701KS2-E2

制造商	部件名	数据表	功能描述
Rohm	BD34700FV	951Kb / 31P	Micro-step volume can reduce the switching pop noise when volume changes
	BD34704KS2	1Mb / 40P	7.1ch Sound Processor for High-Quality Audio with Built-in Micro-step Volume
	BD34704KS2-E2	1Mb / 40P	7.1ch Sound Processor for High-Quality Audio with Built-in Micro-step Volume
	BD34705KS2	1Mb / 39P	Built-in 2ch Volume for ZONE output

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