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BD37069FV-ME2 датащи(PDF) 4 Page - Rohm

номер детали BD37069FV-ME2
подробное описание детали  Sound Processor for Car Audio with Built-in High-Voltage Amplifier
Download  41 Pages
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производитель  ROHM [Rohm]
домашняя страница  http://www.rohm.com
Logo ROHM - Rohm

BD37069FV-ME2 датащи(HTML) 4 Page - Rohm

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BD37069FV-M
TSZ02201-0C2C0E100270-1-2
© 2016 ROHM Co., Ltd. All rights reserved.
12. MAY. 2016 Rev.001
www.rohm.com
TSZ22111・15・001
VCCL
SCL
SDA
GND
ISO amp
GND
ISO amp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
18
19
100kΩ
40
39
38
37
36
35
GND
ISO amp
GND
ISO amp
GND
ISO amp
GND
ISO amp
Input selector (2 single-ended and 4 stereo ISO)
Input Gain
16
17
31
32
34
33
30
29
26
25
28
27
REG(4.15V)
Fader : +23dB~-79dB、-∞/1dBstep
Input Gain : +23dB~-15dB/1dBstep
Front Mixing : on/off
■2nd order LPF: fc=70kHz
■Main/Sub Gain Adjust 0dB/6dB
■Anti-GSM circuit
■High Voltage Output
Level Shift = 2dB(normal mode)
Level Shift = 4.6dB(Hi-voltage mode1)
Level Shift = 8.3dB(Hi-voltage mode2)
Sub SEL
Front
SEL
Rear SEL
I2C-bus LOGIC
Main Gain adjust
Sub
Gain adjust
100kΩ
250kΩ
250kΩ
100kΩ
100kΩ
100kΩ
100kΩ
GND
ISO amp
GND
ISO amp
Advanced Switch
21
22
23
24
VREF
GND
20
Level
Shift
Level
Shift
Level
Shift
Level
Shift
Level
Shift
Level
Shift
2nd order LPF
MIN
FP2
FN2
FN1
FP1
EP2
EN
EP1
DP2
DN
DP1
CP2
CN
CP1
B2
B1
A2
A1
OUTC
OUTS OUTR1 OUTR2 OUTF1 OUTF2 INF2
INF1
INR2
INR1
INS
INC
IG1
IG2
HIVOLB
VCCH
250kΩ
SEL
100kΩ
100kΩ
100kΩ
250kΩ
250kΩ
250kΩ
250kΩ
250kΩ
250kΩ
250kΩ
250kΩ
250kΩ
250kΩ
250kΩ
250kΩ
Block Diagram
Figure 3. Block Diagram
The outputs of Pin 27 and Pin 28 are selected by the input selector, from the inputs Pin 1 to Pin 17.
Otherwise, these signals are possible to output directly on Pin 35 to Pin 40.
6-channel input signals from DSP on Pin 29 to Pin 34 pass through the volume circuit (Fader) and 2
nd order post filter to the
output terminals Pin 35 to Pin 40 .
It is possible for 6-channel inputs to set the gain up to +6dB by Gain adjust function and to set the gain up to +8.3dB by Level
Shift Circuit (High-Voltage Mode).


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