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PDF BD3433K Data sheet ( Hoja de datos )
| Número de pieza | BD3433K | |
| Descripción | 6ch Electronic Volume | |
| Fabricantes | ROHM Semiconductor | |
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Sound Processor Series for Car Audio
6ch Electronic Volume
for 5.1ch Car Theater
BD3433K
No.10085EAT01
●Description
The 6ch electronic volume for 5.1ch car theater is an electronic volume device incorporating 6ch input selector (front/rear
independently-controlled), input gain amp (front/rear independently-controlled), 6ch independently-controlled electronic
volume (capable of soft switching), 6ch output gain amp (2-line outputs), differential input for monophonic signals, electronic
volume for monophonic signals (capable of soft switching), and mixing circuit for monophonic signals. It is provided with
the high performance functions to achieve low distortion and low noise and, furthermore, to output the 5.6Vrms high voltage.
The QFP44 package which realizes savings in space and components is used to be suited for applications such as car
audio and car navigation.
●Features
1) High voltage output of 5.6Vrms achieved
Provided with 2 lines of outputs to the built-in power amp and the pre-out
2) Volume switching noise is reduced by installing the advanced 6ch independently-controlled electronic volume
with soft switching.
3) High performance capabilities such as low distortion rate (0.001%), low noise (3µVrms)
4) Different signals from the different sources can be outputted to the front and rear sections
independently and this provides an option of rear-seat entertainment.
5) Incorporate the monophonic differential input circuit suited for inputting navigation voice and telephone speech.
These monophonic voices can be mixed with the front output signals.
6) Adopting the Bi-CMOS process achieves low current consumption, which contributes to energy-saving design.
It has the advantage in quality over scaling down and heat reduction of the internal regulators.
7) 3-wire serial interface supported for both of 3.3V and 5V microcomputers
●Applications
For car audio equipment, car navigation equipment, and hybrid systems.
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
1/8
2010.03 - Rev.A
1 page  
BD3433K
●External Dimension
Technical Note
BD3433K
Lot. No.
QFP44（Unit：mm）
●Terminal Number, Terminal name：
Terminal
Number
Terminal name
Terminal
Number
1
AGNDE
12
2
INAFL
13
3
INAFR
14
4
AGND1
15
5
INAC
16
6
INASW
17
7
AGND2
18
8
INARL
19
9
INARR
20
10 AGND3 21
11 INBFL 22
Terminal name
INBFR
AGND4
INBC
INBSW
AGND5
INBRL
INBRR
AGND6
SOUTRL
SOUTRR
OUTAFL
Terminal
Number
23
24
25
26
27
28
29
30
31
32
33
Terminal name
OUTAFR
OUTAC
OUTASW
OUTARL
OUTARR
OUTBFL
OUTBFR
OUTBC
OUTBSW
OUTBRL
OUTBRR
Terminal
Number
34
35
36
37
38
39
40
41
42
43
44
Terminal name
DGND
SDA
SCK
CS
TEST
ADJ
VEE
AGNDM
VCC
INEX+
INEX-
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
5/8
2010.03 - Rev.A
5 Page 
Datasheet
General Precaution
1. Before you use our Pro ducts, you are requested to care fully read this document and fully understand its contents.
ROHM shall n ot be in an y way responsible or liabl e for fa ilure, malfunction or acci dent arising from the use of a ny
ROHM’s Products against warning, caution or note contained in this document.
2. All information contained in this docume nt is current as of the issuing date and subj ect to change without any prior
notice. Before purchasing or using ROHM’s Products, please confirm the la test information with a ROHM sale s
representative.
3. The information contained in this doc ument is provi ded on an “as is” basis and ROHM does not warrant that all
information contained in this document is accurate an d/or error-free. ROHM shall not be in an y way responsible or
liable for an y damages, expenses or losses incurred b y you or third parties resulting from inaccur acy or errors of or
concerning such information.
Notice – WE
© 2014 ROHM Co., Ltd. All rights reserved.
Rev.001
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet BD3433K.PDF ] | |
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