BD3870FS ROHM Co. Ltd., BD3870FS Datasheet - Page 8

• Manufacturer Part Number: BD3870FS
• Description: Audio Sound Processor For Home Audio
• Manufacturer: ROHM Co. Ltd.

0dB
～
-87dB
-∞
32
speaker
1
0.33μ
Loud
0.22μ
Vcc/2
31
2
0.01μ
0dB
～
-87dB
-∞
Loud speaker
30
3
equalizer2
0.33μ
0.22μ
Vcc/2
29
4
0.01μ
fc=10kHz
Treble1
28
A1
5
Vcc/2
Fig.4 Application to Loud Speaker Equalizer
0.0022μ
0.1μ
100k
fc=10kHz
Treble２
27
A2
6
Vcc/2
0.1μ
0.0022μ
100k
0.1μ
26
7
B1
Vcc/2
0.1μ
f
390K
0
Bass1
100k
=80Hz
8/16
5.6K
0.1μ
25
B2
8
Vcc/2
0.1μ
100k
0.1μ
C1
24
9
Vcc/2
0.1μ
f
390K
0
Bass2
100k
=80Hz
5.6K
0.1μ
23
C2
10
Vcc/2
Vcc/2
Vcc/2
0.1μ
100k
+
OUT1
22
D1
11
Vcc/2
4.7μ
0.1μ
100k
Unit: Resistance =Ω, Capacitor = F
+
OUT2
D2
21
12
Vcc/2
4.7μ
0.1μ
100k
E1
13
20
Vcc/2
Vcc/2
0.1μ
0.33μ
4.7k
100k
Vcc/2
Vcc/2
Vcc
19
14
E2
Vcc/2
0.1μ
4.7k
100k
LATCH
DATA
18
15
+
10μ
Logic
CLOCK
17
16