BD37531FV-E2 ROHM [Rohm], BD37531FV-E2 Datasheet - Page 9

• Manufacturer Part Number: BD37531FV-E2
• Description: Sound Processors with Built-in 3-band Equalizer
• Manufacturer: ROHM [Rohm]

© 2010 ROHM Co., Ltd. All rights reserved.
BD37531FV,BD37532FV,BD37533FV,BD37534FV
www.rohm.com
Descriptions of terminal
Terminal
No.
10
11
12
13
14
1
2
3
4
5
6
7
8
9
■Fader
■LPF
■Loudness
■3 Band P-EQ (Tone control)
■Volume
■Input Gain
Terminal
★no pop noise
★no pop noise
★no pop noise
VCC/2
Gain:+15dB～-79ｄB/1dB step
★no pop noise
fc=55/85/120/160Hz
Gain:20dB～0ｄB/1ｄB step
★no pop noise
Gain：+20dB～-20dB/1dB step
Gain：+15dB～-79dB/1dB step
Gain：+20dB～0dB/1dB step
TEST1
・ｆ0=250/400/800Hz
・Hicut1/2/3/4
・Bass：f0=60/80/100/120Hz
・Meddle:f0=500/1k/1.5k/2.5kHz
・Treble：f0=7.5k/10k/12.5k/15kHz
Name
28
Q=0.75/1/1.25/1.5
DP1
DP2
EP1
EN1
EN2
EP2
1
Q=0.5/1.0/1.5/2.0
Q=0.75/1.25
A1
A2
B1
B2
C1
C2
DN
100k
GND
27
2
100k
A input terminal of 1ch
A input terminal of 2ch
B input terminal of 1ch
B input terminal of 2ch
C input terminal of 1ch
C input terminal of 2ch
D positive input terminal of 1ch
D negative input terminal
D positive input terminal of 2ch
E positive input terminal of 1ch
E negative input terminal of 1ch
E negative input terminal of 2ch
E positive input terminal of 2ch
Test Pin
I
2
C BUS LOGIC
26
3
100k
25
Description
4
Input selector (3 single-end and 2 stereo ISO)
100k
VCC
24
5
100k
23
6
Fig.23 BD37532FV
100k
★Volume/Mute
★3 Band P-EQ
(Tone control)
★Input Gain
★Loudness
ISO amp
22
7
GND
9/37
250k
Terminal
21
8
No.
250k
15
16
17
18
19
20
21
22
23
24
25
26
27
28
ISO amp
GND
20
9
250k
Terminal
TEST2
TEST3
OUTS2
OUTS1
OUTR2
OUTR1
OUTF2
OUTF1
Name
MUTE
19
10
VCC
SCL
SDA
GND
FIL
ISO amp
250k
GND
LPF
18
11
250k
External compulsory mute terminal
Test Pin
Test Pin
Subwoofer output terminal of 2ch
Subwoofer output terminal of 1ch
Rear output terminal of 2ch
Rear output terminal of 1ch
Front output terminal of 2ch
Front output terminal of 1ch
Power supply terminal
I
I
GND terminal
VCC/2 terminal
2
2
C Communication clock terminal
C Communication data terminal
17
12
ISO amp
250k
GND
Description
16
13
250k
Technical Note
2010.03 - Rev.A
15
14