Specifications

Circuit Descriptions, List of Abbreviations, and IC Data Sheets
EN 63L03.1U AA 9.
9.10 IC Data Sheets
This section shows the internal block diagrams and pin layouts
of ICs that are drawn as "black boxes" in the electrical diagrams
(with the exception of "memory" and "logic" ICs).
9.10.1 Diagram A5, AN5829S (IC7841)
Figure 9-5 Internal Block Diagram and Pin Configuration
Unit : mm
24-Lead P
ANAFLA
T Package (SO-24D)
Block Diagram
Vcc
GND
Noise
Filter
Matrix
9
Input
VCA
SAP
Filter
Stereo
Filter
SAP
Demod
SAP
Det
Noise
Det
SAP Out
Filter
(L-R)/SAP
Switch
L-R
Demod
L-R
Filter
St. PLL
Pilot
Cancel
L+R
Demod
Pilot Det
L+R
Filter
75ms
De-Emph
Offset
Cancel
OUT SW
AGC
Wide Band
Expand
Spectral
Expand
dbx
De-Emph
f H , 2f H
Trap Filter
Spectral
RMS Det
Spectral
Filter
Wide Band
RMS Det
Wide Band
Filter
DAC
I 2 C
Decoder
ZAP
10
11
6
8
5
3
2
23
24
19
18
20
1
22214
151617
7
14
13 12
Offset
Cancel
7.2
9.3
0.1
0.9
2.0
0.4
15.27
24
13
1
12
0.4 0.451.27
Test Circuit
4.7m
+
+
4.7m
AN5829S
180k
I
0.022m
AGC
1
2
3
4
6
5
7
8
9
10
12
13
141516171819
20
2122
24
AUXL1
SPEC FIL
0.33m
+
4.7m
+
G
11
23
4.7m
+
J
2.2m
+
4.7m
+
10m
(Ta)
+
SW1
a
b
B
A
Vcc
5V
3.3m
(Ta)
+
0.1m 0.1m
0.1m
F
4.7m
+
0.1m
0.047m
C
2.2k
D
2.2k
Lout
4.7m
+
H
Rout
4.7m
+
K
4.7m
+
L
AUXR1
OFFCAN1
OFFCAN2
WB TIME
VCC
WB DET
SPEC TIME
SPEC DET NOISE DET
SAP DET
MPX
IN
PILOT
DET
PLL
GND
SCL
SDA
PE
Lout
Rout
AUXL2
AUXR2
* (Ta) tantalum capacitor
CL 36532044_040.eps
171203