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BD37033FV-M 데이터시트(PDF) 1 Page - Rohm

부품명 BD37033FV-M
상세설명  Sound Processors for Car Audio
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제조업체  ROHM [Rohm]
홈페이지  http://www.rohm.com
Logo ROHM - Rohm

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Datasheet
Product structure:Silicon monolithic integrated circuit
This product is not designed protection against radioactive rays
1/38
TSZ02201-0C2C0E100000-1-2
© 2013 ROHM Co., Ltd. All rights reserved.
3.NOV.2013 Rev.002
www.rohm.com
TSZ22111
・14・001
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 I
2C 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 I
2C 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:
31mA(Typ.)
Total harmonic distortion:
0.002%(Typ.)
Maximum input voltage:
2.1Vrms(Typ.)
Cross-talk between selectors:
100dB(Typ.)
Ripple rejection
-65dB(Typ.)
Output noise voltage:
5.5
µVrms(Typ.)
Residual output noise voltage:
3.5
µVrms(Typ.)
Operating Range of Temperature:
-40
to +85
package(s)
W(Typ.) x D(Typ.) x H(Max.)
SSOP-B28
10.00mm x 7.60mm x 1.35mm
SSOP-B28
Typical Application Circuit
Figure 1. Application Circuit Diagram
14
Volume
Loudness
LPF
3band P-EQ
Fader
Fader
Mix
/ Fader
Fader
Fader
Fader
MIN
Mix
ON/OFF
Mix Sel
100k
13
100k
12
100k
11
100k
10
100k
9
100k
8
100k
7
100k
6
100k
5
100k
4
100k
3
100k
2
100k
1
100k
Input Selector
LVM
28
27
26
25
24
8.5V
23
22
21
20
19
18
17
16
15
I2C BUS LOGIC
VREF
GND
SDA
SCL
VCCL
OUTF1
OUTF2
OUTR1
OUTR2
OUTS1
OUTS2
LOUT
LRST
MUTE
EP2
EN2
EN1
EP1
DP2
DN
DP1
C2
C1
B2
B1
A2
A1
Mix
ON/OFF
MUTE


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