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BD37524FS-E2 Datasheet(PDF) 7 Page - Rohm

Part # BD37524FS-E2
Description  Sound Processor with Built-in 3-band Equalizer
Download  26 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BD37524FS-E2 Datasheet(HTML) 7 Page - Rohm

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Technical Note
7/25
BD37524FS
www.rohm.com
2010.03 - Rev.A
© 2010 ROHM Co., Ltd. All rights reserved.
●Block diagram and pin configuration
Fig.22 BD37524FS
Descriptions of terminal
Terminal
No.
Terminal
Name
Description
Terminal
No.
Terminal
Name
Description
1
FIL
VCC/2 terminal
13
MUTE
External compulsory mute terminal
2
A1
A input terminal of 1ch
14
LOUT
Output terminal for Level meter
3
A2
A input terminal of 2ch
15
OUTS2
Subwoofer output terminal of 2ch
4
B1
B input terminal of 1ch
16
OUTS1
Subwoofer output terminal of 1ch
5
B2
B input terminal of 2ch
17
OUTR2
Rear output terminal of 2ch
6
CP1
C positive input terminal of 1ch
18
OUTR1
Rear output terminal of 1ch
7
CN
C negative input terminal
19
OUTF2
Front output terminal of 2ch
8
CP2
C positive input terminal of 2ch
20
OUTF1
Front output terminal of 1ch
9
D1
D input terminal of 1ch
21
VCC
Power supply terminal
10
D2
D input terminal of 2ch
22
SCL
I2C Communication clock terminal
11
E1
E input terminal of 1ch
23
SDA
I2C Communication data terminal
12
E2
E input terminal of 2ch
24
GND
GND terminal
GND
VCC/2
★Volume/Mute
★3 Band P-EQ
(Tone control)
★Loudness
LPF
★Input Gain
GND
ISO amp
Input selector (4 single-end and 1 stereo ISO)
14
100k
100k
100k
100k
250k
GND
ISO amp
250k
250k
250k
250k
250k
250k
Level
meter
VCC
I2C BUS LOGIC
■Fader
Gain:+15dB～-79ｄB/1dB step
★no pop noise
■LPF
fc=55/85/120/160Hz
■Loudness
Gain:20dB～0ｄB/1ｄB step
★no pop noise
・ｆ0=250/400/800Hz
・Hicut:1/2/3/4
■3 Band P-EQ (Tone control)
Gain：+20dB～-20dB/1dB step
★no pop noise
・Bass：f0=60/80/100/120Hz
Q=0.5/1.0/1.5/2.0
・Meddle:f0=500/1k/1.5k/2.5kHz
Q=0.75/1/1.25/1.5
・Treble：f0=7.5k/10k/12.5k/15kHz
Q=0.75/1.25
■Volume
Gain：+15dB～-79dB/1dB step
★no pop noise
■Input Gain
Gain：+20dB～0dB/1dB step
★no pop noise
1
2
3
4
5
6
7
8
9
10
11
12
13
24
23
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21
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19
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15


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