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PDF BD37033FV-M Data sheet ( Hoja de datos )
| Número de pieza | BD37033FV-M | |
| Descripción | Sound Processor | |
| Fabricantes | ROHM Semiconductor | |
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Datasheet
Analog Audio Processors series
Sound Processors
for Car Audio
BD37033FV-M
General Description
BD37033FV-M is sound processors for car audio. The
functions are stereo input selector with single end 3 and
ground isolation input 2, volume, 3-band parametric
equalizer, loudness, 6ch fader volume, LPF for
subwoofer, anti-aliasing-filter, Mixing volume. Moreover,
“Advanced switch circuit”, that is ROHM original
technology, can reduce various switching noise (ex.
No-signal, low frequency likes 20Hz & large signal
inputs). “Advanced switch” makes control of
microcomputer easier, and can construct high quality car
audio system.
Features
Reduce switching noise of volume, mute, fader
volume, bass, middle, treble, loudness by using
advanced switch circuit [Possible to control all
steps].
Built-in input selector (single 3 / diff 2).
Decrease the number of external components by
built-in 3-band equalizer filter, LPF for subwoofer,
loudness filter. And, possible to control Q, Gv, fo
of 3-band equalizer and fc of LPF, Gv, fo of
loudness by I2C BUS control freely.
Built-in mixing volume and anti-aliasing-filter.
Built-in anti-GSM-noise-filter.
Package is SSOP-B28. Putting input-terminals
together and output-terminals together can make
PCB layout easier and can makes area of PCB
smaller.
It is possible to control by 3.3V / 5V for I2C BUS.
AEC-Q100 Qualified.
Applications
It is the optimal for the car audio. Besides, it is
possible to use for the audio equipment of mini
Compo, micro Compo, TV etc with all kinds.
Key Specifications
Current upon no signal:
Total harmonic distortion:
Maximum input voltage:
Cross-talk between selectors:
Ripple rejection
Output noise voltage:
Residual output noise voltage:
Operating Range of Temperature:
31mA(Typ.)
0.002%(Typ.)
2.1Vrms(Typ.)
100dB(Typ.)
-65dB(Typ.)
5.5µVrms(Typ.)
3.5µVrms(Typ.)
-40℃ to +85℃
package(s)
SSOP-B28
W(Typ.) x D(Typ.) x H(Max.)
10.00mm x 7.60mm x 1.35mm
SSOP-B28
Typical Application Circuit
8.5V
28 27
VREF GND
26 25
SDA
SCL
I2C BUS LOGIC
24
VCCL
23 22 21 20 19 18 17 16
OUTF1 OUTF2 OUTR1 OUTR2 OUTS1 OUTS2 LOUT LRST
15
MUTE
Mix
ON/OFF
Fader
Fader
Fader
Mix
/ Fader
Fader
LPF
Mix
ON/OFF
Fader
Loudness
3band P-EQ
MUTE
Volume
Input Selector
LVM
Mix Sel
100k
100k
100k
A1 A2
B1
12
3
100k
B2
C1
100k
C2
100k
DP1
100k
DN
100k
DP2
100k
100k
EP1
100k
EN1
EN2 100k
EP2
100k
4
56
7
8 9 10 11 12 13
MIN 100k
14
Figure 1. Application Circuit Diagram
○Product structure:Silicon monolithic integrated circuit ○This product is not designed protection against radioactive rays
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
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1 page  
BD37033FV-M
Datasheet
Item
Maximum boost gain
Maximum cut gain
Gain set error
Maximum boost gain
Maximum cut gain
Gain set error
Maximum gain
Gain set error
Maximum boost gain
Maximum attenuation *
Input impedance
Gain set error
Attenuation set error 1
Attenuation set error 2
Attenuation set error 3
Maximum boost gain
Maximum attenuation *
Gain set error
Attenuation set error 1
Attenuation set error 2
Attenuation set error 3
Output impedance
Maximum output voltage
Maximum output voltage
Limit
Symbol
Min. Typ. Max.
GM BST +13 +15 +17
GM CUT -17 -15 -13
GM ERR
-2
0
+2
GT BST
+13 +15 +17
GT CUT -17 -15 -13
GT ERR
-2
0
+2
GL MAX -17 -15 -13
GL ERR
-2
0
+2
GF BST
+13 +15 +17
GF MIN
RIN_M
GF ERR
GF ERR1
GF ERR2
GF ERR3
GF BST
－
70
-2
-2
-3
-4
+13
-100
100
0
0
0
0
+15
-85
130
2
2
3
4
+17
GF MIN
－ -100 -85
GF ERR
-2
0
2
GF ERR1
-2
0
2
GF ERR2
-3
0
3
GF ERR3
-4
0
4
ROUT - － 50
VOM
2.0 2.2
－
VL MAX 2.8 3.1 3.5
Unit Condition
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
kΩ
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Ω
Vrms
V
Gain=+15dB f=1kHz
VIN=100mVrms
GM=20log (VOUT/VIN)
Gain=-15dB f=1kHz
VIN=2Vrms
GM=20log (VOUT/VIN)
Gain=+15 to -15dB f=1kHz
Gain=+15dB f=10kHz
VIN=100mVrms
GT=20log (VOUT/VIN)
Gain=-15dB f=10kHz
VIN=2Vrms
GT=20log (VOUT/VIN)
Gain=+15 to -15dB f=10kHz
Gain -15dB f=800Hz
VIN=1Vrms
GL=20log(VOUT/VIN)
Gain=-15 to -1dB
Fader=+15dB
VIN=100mVrms
GF=20log(VOUT/VIN)
Fader=-∞dB
GF=20log(VOUT/VIN)
BW = IHF-A
Gain=+15 to 1dB
ATT=-1 to -15dB
ATT=-16 to -47dB
ATT=-48 to-79dB
Fader=+15dB
VIN=100mVrms
GF=20log(VOUT/VIN)
Fader=-∞dB
GF=20log(VOUT/VIN)
BW = IHF-A
Gain=+15 to +1dB
ATT=-1 to -15dB
ATT=-16 to -47dB
ATT=-48 to -79dB
VIN=100mVrms
THD+N=1%
BW=400-30KHz
Maximum offset voltage
VL OFF - 15 100 mV
*VP-9690A(Average value detection, effective value display) filter by Matsushita Communication is used for * measurement.
Phase between input / output is same.
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
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TSZ02201-0C2C0E100000-1-2
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5 Page 
BD37033FV-M
Datasheet
(5)Select Address and Data
Items
Initial Setup
LPF Setup
Mixing Setup
Input Selector
Input Gain
Volume Gain
Fader 1ch Front
Fader 2ch Front
Fader 1ch Rear
Fader 2ch Rear
Fader 1ch Sub
Mixing (2ch Sub)
Select
Address
(hex)
01
02
03
05
06
20
MSB
Data
LSB
D7 D6 D5 D4 D3 D2 D1 D0
Advanced Anti Alias
Switch
Filter
ON/OFF ON/OFF
LPF Level
Phase
Meter
0°/180°
Reset
Mixing Input
Selector
Full-diff
Type
0
MUTE
ON/OFF
0
Advanced Switch
Time of Volume/Fader
/Tone/Loudness
0
Subwoofer Output
Selector
Subwoofer
Input
Selector
0 Loudness f0
1
Advanced Switch
Time of Mute
Subwoofer LPF fc
MIX_2CH MIX_1CH
ON/OFF ON/OFF
1
0 Input Selector
0 Input Gain
Volume Gain / Attenuation
28 Fader Gain / Attenuation
29 Fader Gain / Attenuation
2A Fader Gain / Attenuation
2B Fader Gain / Attenuation
2C Fader Gain / Attenuation
30 Mixing Gain / Attenuation
Bass setup
41
0
0
Bass f0
00
Bass Q
Middle setup
Treble setup
Bass Gain
Middle Gain
Treble Gain
Loudness Gain
44 0
0
Middle f0
47 0
0
Treble f0
51
Bass
Boost/Cut
54
Middle
Boost/Cut
57
Treble
Boost/Cut
0
0
0
0
0
0
75 0 Loudness Hi_Cut
00
00
Bass Gain
Middle Gain
Treble Gain
Loudness Gain
Middle Q
0
Treble
Q
System Reset
FE
1
0
0
0
0
0 01
: Advanced Switch
※(Set up bit (It is written with “0” by the above table) which hasn’t been used in “0”.
Note
1. In function changing of the hatching part, it works Advanced switch..
2. Upon continuous data transfer, the Select Address is circulated by the automatic increment function, as shown below.
3. For the function of input selector and subwoofer input select etc, it is not corresponded for advanced switch.
Therefore, please apply mute on the side of a set when changes these setting.
4. When using mute function of this IC at the time of changing input selector, please switch mute ON/OFF
for waiting advanced-mute time.
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
11/38
TSZ02201-0C2C0E100000-1-2
3.NOV.2013 Rev.002
11 Page | ||
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| PDF Descargar | [ Datasheet BD37033FV-M.PDF ] | |
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