BH3856 ROHM [Rohm], BH3856 Datasheet - Page 2

• Manufacturer Part Number: BH3856
• Description: 2-wire serial sound control IC
• Manufacturer: ROHM [Rohm]

Audio ICs
! ! ! ! Block diagram
A_GND
D_GND
A_GND
D_GND
BVO1
OUT1
BVO1
OUT1
BVN1
TVO1
BVN1
TVO1
TVN1
TVN1
BIN1
BIN1
TIN1
TIN1
N.C.
SDA
N.C.
SDA
N.C.
SCL
BH3856FS
SCL
IN1
V
IN1
V
SC
SC
BH3856S
CC
CC
10
11
12
13
14
15
10
11
12
13
14
15
16
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
200k
200k
5.1k
2.1k
V
5.1k
2.1k
V
CC
CC
−
−
Volume
Volume
Volume
Volume
−
−
Matrix surround
+
Matrix surround
+
30k
30k
47k
47k
Reference Voltage
Reference Voltage
− −
− −
47k
47k
30k
30k
Volume
Volume
+
Volume
Volume
+
−
−
V
V
CC
CC
−
−
5.1k
2.1k
5.1k
2.1k
30k
30k
30k
30k
30k
30k
30k
30k
29
24
21
19
32
31
30
29
28
27
26
25
24
23
22
21
20
18
30
28
27
26
25
23
22
20
18
17
16
19
17
FILTER
IN2
BVN2
BIN2
BVO2
TVO2
OUT2
TC
BC
V
SLAVE ADDRESS
SELECT SW
FILTER
IN2
BVN2
BIN2
BVO2
TVN2
TIN2
TVO2
OUT2
VC1
VC2
TC
BC
V
SLAVE ADDRESS
SELECT SW
TVN2
TIN2
VC1
VC2
N.C.
ref
ref
BH3856S / BH3856FS