Sound Processor. BD3452KS Datasheet

BD3452KS Processor. Datasheet pdf. Equivalent

Part BD3452KS
Description 7.1ch Sound Processor
Feature Sound Processors for Home Theater System 7.1ch Sound Processor BD3452KS No.10081EAT01 ●Description.
Manufacture Rohm
Datasheet
Download BD3452KS Datasheet



BD3452KS
Sound Processors for Home Theater System
7.1ch
Sound Processor
BD3452KS
No.10081EAT01
Description
BD3452KS is a sound processor where the functions including Input Selector, 8ch Volume and Gain Amp required for
applications such as AV receivers, home theater systems and mini-component systems are integrated into a single chip.
Adopting the BiCMOS process achieves low distortion, low noise and a wide dynamic range.
Features
1) Dynamic range: 132dB (VOL=MUTE, IHF-A)
2) Independent 8 channels for Master Volume (0 to -99 dB, MUTE 1dB/Step)
3) Supporting 2nd room entertainment
4) Low current consumption design achieved by adopting the BiCMOS process
5) Built-in Output Gain Amp useful for adjusting output signal voltages (0 to 15dB, 1dB/Step)
6) BD3841FS (9-input selector), BD3843FS (6-input selector) and BUS are common to be controlled simultaneously.
7) Built-in 2ch output port
8) 2-wire serial control (For both 3.3V and 5V)
Applications
AV receivers, home theater systems and mini-component systems
Absolute maximum ratings (Ta=25)
Parameter
Symbol
Power Supply Voltage
VCC
VEE
Input Signal Voltage
VIN
Ratings
7.5 *1
-7.5
VCC+0.3 to VEE-0.3
Unit
V
V
Power Dissipation
Pd
1300 *2
mW
Operating Temperature Range Topr
-20 to 75
Storage Temperature Range
Tastg
-55 to 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 Over Ta25, reduce at the rate of 13mW/. When installed on the standard board (size: 70701.6mm).
Operating conditions
It must function normally at Ta25.
Parameter
Symbol
Operating Supply Voltage
VCC
VEE
Ratings
Min. Typ. Max.
6.5 7 7.3
-7.3 -7 -6.5
Unit
V
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© 2010 ROHM Co., Ltd. All rights reserved.
1/9
2010.06 - Rev.A



BD3452KS
BD3452KS
Technical Note
Electrical characteristics
Ta=25, VCC=7V, VEE=-7V, f=1kHz, Vin=1Vrms, RL=10k, Rg=600, Input Gain=0dB,
Master volume=0dB, Output gain=0dB, unless otherwise noted.
Parameter
Symbol
Min.
Limits
Typ.
Max.
Unit
Circuit Current
VCC
VEE
- 20 40
IQ mA No signal
-40 -20
-
Conditions
Output Voltage Gain
Gv -2 0 2 dB Measure : Pin87,88
Total Harmonic
Distortion Ratio
THD
- 0.0006 0.03
%
Measure : Pin87,88
BW=400 to 30kHz
Maximum Output Voltage Vomax 3.6
4.2
-
Vrms
Measure : Pin87,88
THD=1
Output Noise Voltage
Vno -
1.4
12
µVrms
Measure : Pin87,88,
BW=IHF-A
Rg=0Ω,
Residual Noise Voltage
Cross-talk
between Channels
Cross-talk
between Selectors
Vnor
-
CTC
-
CTS
-
1
8
µVrms
Measure : Pin87,88, Rg=0,
BW=IHF-A, Volume=MUTE
Measure : Pin88(OUTFL),87 (OUTFR)
-95
-80
dB
Rg=0, BW=IHF-A
Reference : Pin87(OUTFR),
88(OUTFL)=1Vrms
-95
-80
dB
Measure : Pin87,88
Rg=0, BW=IHF-A
Input Impedance
Rin 32 47 62 k
V Output Voltage Gain
GVV
-2
0
2 dB Measure : Pin 81,82,83,84,85,86,87,88
V Total Harmonic
Distortion Ratio
THDV
V Residual Noise Voltage VnorV
-
-
Volume Setting Error
VOLE1 -0.5
Maximum Attenuation
VOLmin -
Input Gain Control Range GIG
10
Output Gain Control Range GOG 13
Output Gain Setting Error GOE -0.5
0.0006 0.03
18
0 0.5
-115 -105
12 14
15 17
0 0.5
%
Measure : Pin 81,82,83,84,85,86,87,88
BW=400 to 30kHz
µVrms
Measure : Pin 81,82,83,84,85,86,87,88
BW=IHF-A, Rg=0,Volume=MUTE
dB
Measure : Pin 81,82,83,84,85,86,87,88
Volume=0dB, Vin=3Vrms
dB
Measure : Pin 81,82,83,84,85,86,87,88
Vin=3Vrms, BW=IHF-A
dB
Measure : Pin 81,82,83,84,85,86,87,88
Input Gain=12dB, Vin=0.3Vrms
dB
Measure : Pin 81,82,83,84,85,86,87,88
Output Gain=15dB, Vin=0.3Vrms
dB
Measure : Pin 81,82,83,84,85,86,87,88
Output Gain=0dB, Vin=0.3Vrms
R Output Impedance
RoutR -
20 100
Measure : Pin 44,45,46,47
R Voltage Gain
R Total Harmonic
Distortion Ratio
Port H Output
GVR -2 0 2
THDR - 0.005 0.09
PH 4.0 4.9 5.4
dB
Measure : Pin 44,45,46,47
(*)RL=10k
%
Measure : Pin 44,45,46,47
BW=400 to 30kHz, (*)RL=10k
V
Measure : Pin 62,63
RL=10k
Port Output Current
PI -
- 1.0
(*) If two RECOUTs are ON, total load resistances of these two (RL) should be 10 k.
* This product is not of "anti radiation design".
mA Measure : Pin 62,63
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
2/9
2010.06 - Rev.A





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