LA1845N Datasheet, PDF (3/10 Pages) Sanyo Semicon Device – Single-Chip Home Stereo IC

Block Diagram
LA1845N, 1845NM
(8.0 to 9.0 V)
AC Test Circuit
AM-IN
(1MHz)
0.047µF
50Ω
OSC
BUFF
39pF ^20pF
1000pF _5.6kΩ
HW50425
39MH
3.3µF
6.8kΩ
24
23
22
21
0.047µF
1000pF ^4.7µF
22µF
0.01µF
10µF
20kΩ
20kΩ
20
19
18
17
0.1µF
0.0047µF
65kΩ
16
15
A
LPF
0dB
A
LPF
0.015µF 0.015µF
14
13
LOUT
ROUT
LA1845N/1845NM
FM-IN
1
2
(10.7MHz) 300Ω
75Ω
0.047µF
33µF
0.047µF
3
4
HW6215
5
6
7
TU-LED _ST-LED
V-SD V-ST
50kΩ
1000pF
50kΩ
AM IF
Top view
8
9
10
11
12
1µF _3kΩ
1µF
10kΩ
1000pF
AM/FM
IF-BUFF
0.47µF
NORMAL
AM
20pF
SEEK
FM
MONO
VCC
8.0V
600BEAS-10471
detector coil
No. 5888-3/10