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BD3817KS 반도체 회로 부품 판매점

6.1ch Sound Processor



ROHM Semiconductor 로고
ROHM Semiconductor
BD3817KS 데이터시트, 핀배열, 회로
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/step7ch
0 ~ -95dB 1dB/step7ch
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


BD3817KS 데이터시트, 핀배열, 회로
BD3816K1,BD3817KS
Technical Note
Absolute maximum ratings (Ta=25)
Parameter
Symbol
Power Supply Voltage
VCC
VEE
Power Dissipation
Pd
Operating Temperature Range Topr
Ratings
7.5 *1
-7.5
1200 (BD3816K1)
1300 (BD3817KS)
-20 ~ +75
Unit
V
*2 mW
Storage Temperature Range
Tstg
-55 ~ +125
*1 Even in the specified range of Power Supply Voltage, applying voltage only to the VCC side may cause
an excessive current to give a permanent damage to the IC.
When starting up power supplies, VEE and VCC should be powered on simultaneously or VEE first; then followed by VCC.
*2 Reduced by 12 mW/over 25(BD3816K1), when installed on the standard board (size: 70x70x1.6mm).
Reduced by 13 mW/over 25(BD3817KS), when installed on the standard board (size: 70x70x1.6mm)
Operating conditions
Must function normally at Ta=25C.
Parameter
Symbol
Operating source voltage
VCC
VEE
Min.
5.0
-7.3
Ratings
Typ.
7.0
-7.0
Max.
7.3
-5.0
Unit
V
Electrical characteristics
Ta=25, VCC=7V, f=1kHz, Vin=1Vrms, RL=10k, Rg=600, Input Gain=0dB, Volume=0dB, Output Gain=0dB, Bass=0dB,
Treble=0dB, Mixing c/sw=OFF, unless otherwise noted.
Parameter
Symbol
Limits
Min. Typ. Max.
Unit
Conditions
Circuit Current
VCC
VEE
24 40 mA No signal
IQ
-40 -24
Output Voltage Gain
Gv -2 0 2 dB
Total Harmonic Distortion Ratio THD
0.001 0.03
% BW=400Hz-30kHz
Maximum Output Voltage
Vomax 3.6
4.2
Vrms THD=1%
Output Noise Voltage
2.0
12
µVrms
Rg=0Ω, BW=IHF-A
(Output gain ON, Tone ON)
Vno
1.5
8
µVrms
Rg=0Ω, BW=IHF-A
(Output gain ON, Tone OFF)
1.2
8
µVrms
Rg=0Ω, BW=IHF-A
(*OM=Volume Direct)
Cross-talk between Channels
CTC
-95 -80 dB Rg=0Ω, BW=IHF-A
Cross-talk between Selectors
CTS
-95 -80 dB Rg=0Ω, BW=IHF-A
Volume Output Voltage
Volume Total Harmonic
Distortion Ratio
Volume Output Noise Voltage
GVV
THDV
VnoV
-2 0 2 dB
0.001 0.03
% BW=400Hz-30kHz
1.2
8 µVrms Rg=0Ω, BW=IHF-A
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
2/17
2010.06 - Rev.A




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BD3817KS

6.1ch Sound Processor - ROHM Semiconductor