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PDF BD34700FV Data sheet ( Hoja de datos )
| Número de pieza | BD34700FV | |
| Descripción | 4ch Sound Processor | |
| Fabricantes | ROHM Semiconductor | |
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Datasheet
Sound Processors for Home Theater Systems
4ch Sound Processor
with Built-in Micro-step Volume
BD34700FV
General Description
The BD34700FV is a 4ch independent volume system.
Micro-step volume can reduce the switching pop noise
when volume changes, so it can achieve a high-quality
set. It is most suitable for subvolume of the multi channel
volume such as AV receivers, but is most suitable for
main volume of simple systems such as 2ch.
Features
Micro-step volume can reduce the switching pop
noise when volume changes.
Micro-step volume can reduce the capacitor for the
DC offset cut
2-wire serial bus control, corresponding to 3.3/5V.
It is controllable to two chips on the same serial bus
by using chip select terminal.
Key Features
Total harmonic distortion:
Maximum output voltage:
Output noise voltage:
Residual output noise voltage:
Cross-talk between channels:
0.0004%(Typ.)
4.2Vrms(Typ.)
1.5uVrms(Typ.)
1.0uVrms(Typ.)
-105dB(Typ.)
Package
SSOP-B40
W(Typ.) x D(Typ.) x H(Max.)
13.60mm x 7.80mm x 2.00mm
Applications
Most suitable for the AV receivers, home theater and
mini-component systems
Typical Application Circuit
SSOP-B40
Figure 1. Application Circuit
○Product structure：Silicon monolithic integrated circuit ○This product is not designed protection against radioactive rays
www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
1/29
TSZ02201-0C2C0E100060-1-2
06.Aug.2014 Rev.001
1 page  
BD34700FV
Datasheet
Absolute Maximum Ratings
Item
Positive power supply
Negative power supply
Power dissipation
Symbol
VCC
VEE
Pd
Rating
+7.75 (Note1)
-7.75 (Note1)
1.12 (Note2)
Unit
V
V
W
Input voltage
Operating temperature
Vin
Topr
Vee-0.2 to Vcc+0.2
-40 to +85 (Note3)
V
°C
Storage temperature
Tstg -55 to +150
°C
(Note1)
The maximum voltage that can be applied based on GND.
(Note2)
This value decreases 9.0mW/°C for Ta=25°C or more. A standard board, 70×70×1.6 mm, shall be mounted.
(Note3)
If it within operation voltage range, circuit functions operation is guaranteed within operation temp.
Caution: Operating the IC over the absolute maximum ratings may damage the IC. The damage can either be a short circuit between
pins or an open circuit between pins and the internal circuitry. Therefore, it is important to consider circuit protection measures, such as
adding a fuse, in case the IC is operated over the absolute maximum ratings.
Operating Condition
Item
Symbol
Rating
Unit
Positive power supply
VCC
+6.5 to +7.5 (Note4,5)
V
Negative power supply
VEE
-6.5 to -7.5 (Note4,5)
V
(Note4)
Applying a voltage based on GND.
(Note5)
Within operation temp range, basic circuit function Operation is guaranteed within operation voltage range.
But please confirm set up of constant and element, voltage set up and temp set up on use.
Please watch out except condition stipulated by electrical characteristics within the range,
It cannot guarantee standard value of electrical characteristics. But it retains original function
.
www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
5/27
TSZ02201-0C2C0E100060-1-2
06.Aug.2014 Rev.001
5 Page 
BD34700FV
Datasheet
Select Address No.2 Setting Table
Function & Setting D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
ON 0
MUTE
on/off
L1,R1
OFF
1
00
0000
0
0
0
0
0
Chip
Select
1
0
ON
OFF
MUTE
on/off
L2,R2
0
1
: Initial condition
www.rohm.com
© 2014 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
11/27
TSZ02201-0C2C0E100060-1-2
06.Aug.2014 Rev.001
11 Page | ||
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| PDF Descargar | [ Datasheet BD34700FV.PDF ] | |
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