BH3866AS 데이터 시트보기 (PDF) - ROHM Semiconductor
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BH3866AS Datasheet PDF : 25 Pages
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Video ICs
•Block diagram
BH3866AS
32
50k
+
–
–
50k +
31
30
29
28
27
26
25
24
VCC
–
50k +
CIN
L+R
50k
CSEL
SMON
OFF
10k
MIX OFF
–
BASS
+
MIX ON
50k
ON
10k
–
OFF AGC
10k
VCA
ON
L+S
10k PHASE Surr effect LFP
A
OFF
OFF
G
L+R L-R
+
C
ON 10k
–
ON
SHIFT
AMP
SSTE
SON
VCA
R-S
OFF
LOOP
ON
VCC
50k
–
+
1
2
VCC
23
22
Tone
(bass / treble)
Tone
(bass / treble)
Tone
(bass / treble)
21
20
19
+
–
10k
+
–
10k
10k
–
+
50k
18
17
I2C BUS
interface
SCL SDA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
•Pin descriptions
Pin No. Pin name
1
RIN
2
GND
3
AGCADJ
4
LS1
5
LS2
6
SOUT
7
PS
8
Vref
9
STB
10
RT
11
RB
12
ROUT
13
SRV
14
SLV
15
SCL
16
SDA
2
Function
Rch input
Ground
AGC 0dB adjustment
AGC level sensor 1
AGC level sensor 2
Sch output pin and LPF
Phase shift pin (internal resistance: 18kΩ)
1 / 2 VCC
Bass shock sound integration
Rch Treble fc setting
Rch Bass fc setting
Rch output
Vol Rch shock sound integration
Vol Lch shock sound integration
I2C communications clock
I2C communications data
Pin No.
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Pin name
DAC
SCV
COUT
LOUT
CB
CT
LB
LT
STT
BGAIN
MSIN
BIN
ADD
CIN
VCC
LIN
Function
Expansion DAC (L / H)
Vol Cch shock sound integration
Cch output
Lch output
Cch Bass fc setting
Cch Treble fc setting
Lch Bass fc setting
Lch Treble fc setting
Treble shock sound integration
Bass Mix Gain adjustment
Mono Sur input
Bass detection LPF operating amplifier input
L + R added output after AGC
Cch input
Power supply, 9V
Lch input
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