BD37543FS Datasheet, PDF (2/5 Pages) Rohm – Silicon Monolithic Integrated Circuit

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●Function
Function
Input selector
Input gain
Mute
Volume
Bass
Middle
Treble
Fader
Loudness
LPF
HPF
Mixing
Level meter
Specifications
Stereo 3 single-end input and 2differential input possible to switch single-end input
0～20dB (1dB step), Possible to use “Advanced switch” for prevention of switching noise.
Possible to use “Advanced switch” for prevention of switching noise.
+15dB～-79dB (1dB step), -∞dB
Possible to use “Advanced switch” for prevention of switching noise.
-20～+20dB (1dB step), Q=0.5, 1, 1.5, 2, fo=60, 80, 100, 120Hz
Possible to use advanced switch at changing gain
-20～+20dB (1dB step), Q=0.75, 1, 1.25, 1.5, fo=500, 1k, 1.5k, 2.5kHz
Possible to use advanced switch at changing gain
-20～+20dB (1dB step), Q=0.75, 1.25, fo=7.5k, 10k, 12.5k, 15kHz
Possible to use advanced switch at changing gain
+15dB～-79dB (1dB step), -∞dB
Possible to use “Advanced switch” for prevention of switching noise.
0dB～20dB (1dB step)
Possible to use “Advanced switch” for prevention of switching noise.
fc=55/85/120/160Hz, pass
Phase shift ( 0°/180°)
fc=55/85/120/160Hz, pass
Monaural input
+7dB～-79dB (1dB step), -∞dB
Possible to use “Advanced switch” for prevention of switching noise.
I2C BUS control
DC Output
●Electrical Characteristic
(Unless specified particularly, Ta=25℃, VCC=8.5V, f=1kHz, Vin=1Vrms, Rg=600Ω, R_L=10kΩ, A input,
Input gain 0dB, Mute OFF, Volume 0dB, Tone control 0dB, Loudness 0dB, Fader 0dB, LPF/HPF OFF, Mixing OFF)
Item
Symbol
Limit
Unit
Condition
Min. Typ. Max.
Current upon no signal
IQ
－
38
48
mA No signal
Voltage gain
GV
-1.5
0
1.5
dB
Gv=20log(VOUT/VIN)
Channel balance
CB
-1.5
0
1.5
dB
CB = GV1-GV2
Total harmonic distortion 1
(FRONT,REAR)
THD+N1 － 0.001 0.05
％
VOUT=1Vrms
BW=400-30KHz
Total harmonic distortion 2
(SUBWOOFER)
THD+N2 － 0.002 0.05
％
VOUT=1Vrms
BW=400-30KHz
Output noise voltage 1
(FRONT,REAR)
VNO1
－
3.8
15
μVrms
Rg = 0Ω
BW = IHF-A
Output noise voltage 2
(SUBWOOFER)
VNO2
－
4.8
15
μVrms
Rg = 0Ω
BW = IHF-A
Fader=-∞dB
Residual output noise voltage VNOR
－
1.8
10
μVrms Rg=0Ω
BW=IHF-A
Cross-talk between channels
CTC
－ -100 -90
Rg=0Ω
dB
CTC=20log(VOUT/VIN)
BW=IHF-A
Ripple rejection
f=100Hz
RR
－
-70 -40
dB
VRR=100mVrms
RR=20log(VOUT/VCCIN)
Common mode rejection ratio
CMRR
50
65
－
(D, E)
XP1 and XN input
dB
XP2 and XN input
CMRR=20log(VIN/VOUT)
BW = IHF-A,[※X・・・D,E]
Maximum input voltage
VIM
2.0
2.2
－
Vrms
VIM at THD+N(VOUT)=1%
BW=400-30kHz
Maximum gain
GV MAX 13
15
17
Volume = 15dB
dB
VIN=100mVrms
Gv=20log(VOUT/VIN)
Maximum attenuation
GV MIN － -100 -85
Volume=-∞dB
dB
Gf=20log(VOUT/VIN)
BW=IHF-A
Maximum output voltage
VOM
2.0
2.2
－
Vrms
THD+N=1%
BW=400-30kHz
REV. A