bh3856fs ROHM Co. Ltd., bh3856fs Datasheet - Page 7

• Manufacturer Part Number: bh3856fs
• Description: 2-wire Serial Sound Control Ic
• Manufacturer: ROHM Co. Ltd.

Audio ICs
    Measurement circuit
Note : Diagram depicts the BH3856S.
THD
T1
V
S1
3
V
2
10µF
1
0.47µF
10k
10µF
10µF
V
V
V
I V
1
CC
S3
2
CC
S5
4.7k
10µF
A
2
1
V
CC
C1
C2
C3
C4
1
S6
0.1µF
0.1µF
2200pF
2200pF
2
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
200k
5.1k
2.1k
V
CC
−
Volume
Volume
−
+
30k
Matrix surround
47k
Reference voltage
Fig.1
+ −
47k
30k
Volume
Volume
+ −
V
CC
BH3856S
−
5.1k
2.1k
30k
30k
30k
30k
19
18
17
16
30
29
28
27
26
25
24
23
22
21
20
BH3856S / BH3856FS
0.1µF
0.1µF
2200pF
2200pF
VVC1
VVC2
VTC
VBC
1000µF
Units : R [Ω]
10µF
1
S4
4.7k
C [F]
10µF
V
2
10µF
0.47µF
V
1.2k
10k
1
S7
1 2
S2
2
V
V1
3
V
THD
T2
V