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BD37534FV Datasheet(PDF) 11 Page - Rohm

Part # BD37534FV
Description  Sound Processors with Built-in 3-band Equalizer
Download  38 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BD37534FV Datasheet(HTML) 11 Page - Rohm

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Technical Note
11/37
BD37531FV,BD37532FV,BD37533FV,BD37534FV
www.rohm.com
2010.03 - Rev.A
© 2010 ROHM Co., Ltd. All rights reserved.
Fig.25 BD37534FV
Descriptions of terminal
Terminal
No.
Terminal
Name
Description
Terminal
No.
Terminal
Name
Description
1
A1
A input terminal of 1ch
15
MUTE
External compulsory mute terminal
2
A2
A input terminal of 2ch
16
LRST
Level meter reset terminal
3
B1
B input terminal of 1ch
17
LOUT
Output terminal for Level meter
4
B2
B input terminal of 2ch
18
OUTS2
Subwoofer output terminal of 2ch
5
C1
C input terminal of 1ch
19
OUTS1
Subwoofer output terminal of 1ch
6
C2
C input terminal of 2ch
20
OUTR2
Rear output terminal of 2ch
7
DP1
D positive input terminal of 1ch
21
OUTR1
Rear output terminal of 1ch
8
DN
D negative input terminal
22
OUTF2
Front output terminal of 2ch
9
DP2
D positive input terminal of 2ch
23
OUTF1
Front output terminal of 1ch
10
EP1
E positive input terminal of 1ch
24
VCC
Power supply terminal
11
EN1
E negative input terminal of 1ch
25
SCL
I2C Communication clock terminal
12
EN2
E negative input terminal of 2ch
26
SDA
I2C Communication data terminal
13
EP2
E positive input terminal of 2ch
27
GND
GND terminal
14
MIN
Mixing input terminal
28
FIL
VCC/2 terminal
GND
VCC/2
28
27
26
25
24
23
22
21
20
19
18
17
16
15
Volume/Mute
3 Band P-EQ
(Tone control)
Loudness
LPF
Input Gain
GND
ISO amp
Input selector (3 single-end and 2 stereo ISO)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
100k
100k
100k
100k
100k
100k
250k
GND
ISO amp
250k
250k
GND
ISO amp
250k
250k
GND
ISO amp
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
・Hicut1/2/3/4
■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


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