bh7802k ROHM Co. Ltd., bh7802k Datasheet - Page 13

• Manufacturer Part Number: bh7802k
• Description: Single Chip Hi-fi Audio Signal Processor
• Manufacturer: ROHM Co. Ltd.

•
•
The VCO oscillation frequency and frequency deviation, and the BPF center frequency are directly influenced by the
temperature characteristics of the setting resistors connected to pins 16 and 17. Use metal-film components.
TUNER R IN
TUNER M IN
UNREG V
UNREG V
TUNER L IN
LINE2 R IN
LINE1 R IN
LINE2 L IN
LINE1 L IN
Video ICs
Application example
Operation notes
BS R IN
BS L IN
V
V
CC
CC
EE
EE
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
k
k
k
k
k
k
k
k
100
100
4.7
34
35
36
37
38
39
40
41
42
43
44
33
1
REG
SWITCH
INPUT
32
2
31
3
LINE2R
LINE2L
BSR
30
BSL
4
DECODER
29
5
OUTPUT
SWITCH
Fig.2
DATA
ALC
AMP
MIX
28
6
V
27
7
EE
26
8
VCO BPF
MODEM
D.O.
COM.
ADJUST
MODEM
AUTO
25
9
PNR
PNR
24
10
ENVE-
FMBPF
Hi-Fi
DET
LOPE
OUT
SW
FM
23
11
22
21
20
19
18
17
16
15
14
13
12
100
27k
27k
100
0.022
47
BH7802K
FM REC OUT
AUDIO HEAD
SWITCH
PULSE IN
ENVELOPE
FM PB IN
/ Hi-Fi DET
/ AAA FLAG
13