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BD3861FS-E2

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
Technical Note
4/15
www.rohm.com
2010.10 - Rev.
A
© 2010 ROHM Co., Ltd. All rights reserved.
BD3403FV,BD3861FS,BD3883FS
BD3883FS
Ta=25℃, VCC=8V, f=1kHz, Vi=200mVrms, RL=10kΩ, Rg=600Ω,
Input Selector=Ach, Input Gain=0dB, Volume=0dB, Bass=0dB, Middle=0dB, Treble=0dB,
Surround=OFF, RECOUT=OFF, unless otherwise noted.
Parameter Symbol
Limits
Unit Condition
Min. Typ. Max.
TOTAL
Circuit Current IQ - 8 21 mA At no signal
Total Output Voltage Gain Gv -2 0 2 dB
Total Harmonic Distortion THDO - 0.01 0.1 % BW=400 to 30kHz
Maximum Output Voltage Vomaxo 1.6 2.1 - Vrms
THD=1%
BW=400 to 30kHz
Total Residual Noise Voltage Vno - 2 10 µVrms
Rg=0Ω, Vol=-∞dB
BW=IHF-A, REAR ATT=-10dB
Total Output Noise Voltage Vmno - 4 15 µVrms
Rg=0Ω, Vol=0dB
BW=IHF-A
Cross-talk between Channels CTC12 - -80 -70 dB
Rg=0Ω, BW=IHF-A
VOUT=1Vrms
Input Impedance Rin 70 100 130 kΩ
Output Impedance Rout - - 50 Ω
INPUT
Cross-talk between Selectors CTS1 - -80 -70 dB
VOUT=1Vrms
Rg=0Ω, BW=IHF-A
VOLUME
Volume Control Range VRI -90 -87 -84 dB BW=IHF-A ,Vout=1Vrms
Volume Setting Error 1 VEI1 -2 0 2 dB
0 to -53dB,BW=IHF-A
VOUT=1Vrms
Volume Setting Error 2 VEI2 -3 0 3 dB
-54 to –87dB,BW=IHF-A
VOUT=1Vrms
Maximum Attenuation Vmin - - -90 dB BW=IHF-A VOUT=1Vrms
Volume Input Impedance Rvin 39 56 73 kΩ
BASS
Bass Gain Gb -17.5 to +17.5 dB
Bass Gain Setting Error BE -2.5 0 -2.5 dB
MIDDLE
Middle Gain Gm -14 to +14 dB
Middle Gain Setting Error ME -2 0 -2 dB
TREBLE
Treble Gain Gt -14 to +14 dB
Treble Gain Setting Error TE -2 0 2 dB
SURROUND
Surround In-phase Gain Vsur1 -2 0 2 dB
Surround Single-phase Gain Vsur2 4.3 6.3 8.3 dB AC-grounding
Opposite-phase Gain Vsur3 8 10 12 dB
● This IC is not designed to be radiation-resistant.
Technical Note
5/15
www.rohm.com
2010.10 - Rev.
A
© 2010 ROHM Co., Ltd. All rights reserved.
BD3403FV,BD3861FS,BD3883FS
●Control signal specifications
1. Signal Timing Conditions
・Data is read on the rising edge of the clock.
・Latch is read on the falling edge of the clock.
・Latch signal must terminate with the LOW state.
・To avoid malfunctions, clock and data signals must terminate with the LOW state.
1byte=8bit
Fig.1
Parameter Symbol
Limits
Unit
Min. Typ. Max.
Minimum Clock Width twc 2.0 - - µs
Minimum Data Width twd 2.0 - - µs
Minimum Latch Width tw1 2.0 - - µs
Data Set-up Time (DATACLK) Tsd 1.0 - - µs
Data Hold Time (CLKDATA) Thd 1.0 - - µs
Latch Set-up Time (CLKLATCH) ts1 1.0 - - µs
Latch Hold Time (DATALATCH) th1 1.0 - - µs
Latch Low Set-up Time ts 1.0 - - µs
Latch Low Hold Time th 1.0 - - µs
2. Voltage Conditions for Control Signals (BD3403FV, BD3861FS)
Parameter Condition
Limits
Unit
Min. Typ. Max.
“H” Input Voltage Vcc=6.5 to 9.5V 2.6 - 5.5 V
“L” Input Voltage Vcc=6.5 to 9.5V 0 - 1.1 V
3. Voltage Conditions for Control Signals (BD3883FS)
Parameter Condition
Limits
Unit
Min. Typ. Max.
“H” Input Voltage Vcc=6.5 to 9.5V 2.2 - 5.5 V
“L” Input Voltage Vcc=6.5 to 9.5V 0 - 1.0 V
SC
(CLOCK)
SI
DATA
LATCH
thd thdth ts ts1 th1 tsd
twc
twd
twd
tw1
tsu
DATA DATA
LATCH
90% 90% 90% 90%
10% 10% 10%
90% 90% 90%
90% 90%
10%
10% 10%
twc
Low
Technical Note
6/15
www.rohm.com
2010.10 - Rev.
A
© 2010 ROHM Co., Ltd. All rights reserved.
BD3403FV,BD3861FS,BD3883FS
●Control data format list
(BD3403FV)
Address 1
D10 D11 D12 D13 D14 D15 D16 D17
OUTPUT Volume 1 OUTPUT Volume 2
Function Select
0 0
Address 2
D20 D21 D22 D23 D24 D25 D26 D27
INPUT Volume
Surround
0:OFF
1:ON
Function Select
0 1 0
Address 3
D30 D31 D32 D33 D34 D35 D36 D37
Input Selector
6dB SW
0: 0dB
1:+6dB
IN E MUTE
0:OFF
1:ON
Function Select
0 0 1
Address 4
D40 D41 D42 D43 D44 D45 D46 D47
Input Gain/Bass
0: Input
Gain
1: Bass
Function Select
1 0 1
Address 5
D50 D51 D52 D53 D54 D55 D56 D57
Middle/Treble
0: Middle
1: Treble
Function Select
0 1 1
(BD3861FS)
Address 1
D10 D11 D12 D13 D14 D15 D16 D17
OUTPUT Volume OUTPUT Volume 2
Function Select
0 0
Address 2
D20 D21 D22 D23 D24 D25 D26 D27
INPUT Volume
Function Select
0 1 0
Address 3
D30 D31 D32 D33 D34 D35 D36 D37
Input Selector
6dBSW
0: 0dB
1:+6dB
IN E MUTE
0:OFF
1:ON
Function Select
0 0 1
Address 4
D40 D41 D42 D43 D44 D45 D46 D47
Input Gain/Bass
0: Input
Gain
1: Bass
Function Select
1 0 1
Address 5
D50 D51 D52 D53 D54 D55 D56 D57
Middle/Treble
0: Middle
1: Treble
Function Select
0 1 1
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

BD3861FS-E2

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Audio Amplifiers 6.5V-9.5V 2-wire Bass, Mid, Treble
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