Table of Contents
Advertisement
BA4558N (IC401/IC403) : Dual operational amplifier
1. Terminal layout & Block diagram
1ch
1
3
4
2
OUT1 -IN1
+IN1
V
+IN2
EE
BU1924F (IC602) : RDS demodulator
1. Terminal layout
1
2
3
4
5
6
7
8
3. Pin function
Pin No. Symbol I/O
1
QUAL
O
Demodulator quality good: HI (Not connect)
2
RDATA
O
Demodulator data
3
VREF
-
1/2 VDD1 see application
4
MUX
-
Composite see application
5
VDD1
-
Analog power supply
6
VSS1
-
Analog power supply
7
VSS3
-
Analog power supply
8
CMP
-
See application
9
T1
-
H: Internal clock stop L: Operation
10
T2
-
Testing (do not use)
11
VSS2
-
Digital power supply
12
VDD2
-
Digital power supply
13
XI
-
4.332MHz see application
14
XO
-
4.332MHz see application
15
NC
-
Not connect
16
RCLK
-
1187.5Hz
2ch
5
6
7
8
-IN2 OUT2
Vcc
2. Block diagram
16
15
100k
MUX
14
4
120k
13
12
V
3
11
REF
10
9
V
5
DD1
Analog
V
6
SS1
V
12
DD2
Digital
power supply
V
11
SS2
Function
2. Pin function
Pin No. Symbol I/O
1
OUT1
O
A output
2
-IN1
I
A -input
3
+IN1
I
A +input
4
V
-
V-
EE
5
+IN2
I
B +input
6
-IN2
I
B -input
7
OUT2
O
B output
8
V
-
V+
CC
100k
-
8th Switched
+
capacitor filter
anti-aliasing
filter
PLL
PLL
57kHz
1187.6Hz
RDS/ARI
Clock
13
14
Xl
XO
Function
VSS3
CMP
7
8
comparator
16
RCLK
1
QUAL
Diphaser
Differential
RDATA
2
decoder
decoder
Test
10
9
T1
T2
UX-M55
1-27
Hide quick links:
Advertisement
Table of Contents
