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PDF BD3816K1 Data sheet ( Hoja de datos )
| Número de pieza | BD3816K1 | |
| Descripción | 6.1ch Sound Processor | |
| Fabricantes | ROHM Semiconductor | |
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Sound Processors for Home Theater Systems
6.1ch
Sound Processor
BD3816K1,BD3817KS
No.10081EAT06
●Description
The BD3816K1 and BD3817KS are 6.1ch sound processors. Functions required for applications, such as AV receivers and
home theater systems, are integrated into a single chip. A wide dynamic range of 132dB is achieved by utilizing the
BiCMOS process.
●Features
1) Dynamic range: 132dB (Volume Direct Mode, VOL=MUTE, IHF-A)
2) Independent 7 channels for Master Volume (0 to -95 dB, MUTE 1dB/Step)
3) Supporting 2nd room entertainment/2nd source recording.
4) Low current consumption design achieved by adopting the Bi-CMOS process.
5) Maximum output voltage: 4.2Vrms (VCC=7V, VEE=-7V, RL=10k).
6) Built-in Input Gain Amp useful for amplifying input signals (0-7dB, 1dB/Step).
7) Built-in Output Gain Amp useful for adjusting output signal voltages (0-17dB, 1dB/Step)
8) Built-in mixing circuit for distributing the output signals from Center and Subwoofer channel to Front R/L channels
(0, -3, -4.5dB).
9) 2ch Volume control BD3812F or 6ch Function Switch BD3843FS can be controlled simultaneously
by the serial control bus.
10) REC A output terminal with a REC input/output switch useful for monitoring Equalizer Amp.
(For BD3816K1, available as an input function of the seventh line.)
11) Output mute controlled by either serial data or an external control terminal.
12) 2-wire serial control (For both 3.3V and 5V)
●Applications
AV receivers, home theater systems, and mini-audio systems.
●Line up matrix
Parameter
Number of Input Selectors
Input Gain
BD3816K1
6(+1) inputs
ROUTA terminal: available as
an input selector of the seventh line
0 ~ 7dB 1dB/step
BD3817KS
10 inputs, 2 outputs
0 ~ 7dB 1dB/step
Volume
0 ~ -95dB 1dB/step、7ch
0 ~ -95dB 1dB/step、7ch
Bass, Treble
±14dB 2dB/step
±14dB 2dB/step
Output Gain
0 ~ 17dB 1dB/step
0 ~ 17dB 1dB/step
Mixing
Yes Yes
Package
QFP80
SQFP100
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
1/17
2010.06 - Rev.A
1 page  
BD3816K1,BD3817KS
Technical Note
3) Control Data Format List
Data input Direction
MSB
LSB
D16 D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
Data
Data
Select Address
(1)BD3816K1 Control Data Formats
D16 D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4
Data
① FRL select
6.1ch
select
Input select
00
D16 D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4
Data
②
REC A
mode select
REC B REC C
Output
mode select
0
0
D16 D15 D14 D13 D12 D11 D10 D9
Data
③ Treble
Bass
D8 D7
Mixing
Cch
D6 D5
Mixing
SWch
D4
1
D16 D15 D14
Data
④ Input gain
FRLch
D13 D12 D11
Input gain
SRLch
D10 D9 D8
Input gain
Cch
D7 D6 D5
Input gain
CBch
D4
1
D16 D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4
Data
⑤ Master volume
and Output gain
SWch
Input gain
SWch
0
D16 D15 D14 D13 D12 D11 D0
Data
⑥ Master volume
and Output gain
FRch
D9 D8 D7 D6
Master volume
and Output gain
D5 D4
FLch
D16 D15 D14 D13 D12 D11 D0
Data
⑦ Master volume
and Output gain
SRch
D9 D8 D7 D6
Master volume
and Output gain
D5 D4
SLch
D16 D15 D14 D13 D12 D11 D10
Data
⑧ Master volume
and Output gain
Cch
D9 D8 D7 D6
Master volume
and Output gain
D5 D4
CBch
D3
0
D3
1
D3
0
D3
1
D3
D3
D3
D3
Select Address
D2 D1 D0
000
D2 D1 D0
000
D2 D1 D0
000
D2 D1 D0
000
D2 D1 D0
001
D2 D1 D0
010
D2 D1 D0
011
D2 D1 D0
101
・By changing Select Address, eight different control formats are selectable.
For Select Address, the values, except for those shown above, must not be specified.
・At power-on sequence, initialize all data.
(Example)
Data input Direction
MSB LSB MSB LSB MSB LSB
MSB LSB
MSB LSB
MSB LSB
MSB LSB
MSB LSB
Data① L Data② L Data③ L Data④ L Data⑤ L Data⑥ L Data⑦ L Data⑧ L
“L” means latch.
・After power-on, for the second and subsequent times, only the necessary data can be selected for setting.
Example: When changing the input gain in the example:
Data input Direction
MSB
LSB
Data④ L
“L” means latch.
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
5/17
2010.06 - Rev.A
5 Page 
BD3816K1,BD3817KS
BD3816K1
Pin Pin
No. Name
BD3817KS
Pin Pin
No. Name
Pin
Voltage
VCC
Equivalent circuit
56 BNFA2 72 BNFA2
58 BNFA1 74 BNFA1
0
VEE
VCC
59 TNF2 75 TNF2
60 TNF1 76 TNF1
0
VEE
66 THGND 82 THGND
0
VCC
－
67 MUTE 83 MUTE
－
VEE
200k
VCC
68 CL 84 CL
－
VEE
Technical Note
Description
Bass frequency
characteristic and gain
setting pins
Treble frequency
characteristic and gain
setting pins
Ground pin for
Comparator
External mute pin
Serial clock input pin
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
11/17
2010.06 - Rev.A
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet BD3816K1.PDF ] | |
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