RDS DEMODULATOR IC
S1A0905
5
Preliminary
TEST APPLICATION
Analog ground
Analog power
Digital power
Digital ground
:Input & Monitor Pin
:Switch
:Crystal oscillator
S1A0905X01
4.332MHz
O1
5V
I2
SW2
O6
5V
QUAL DATAO VREF MUX VDDA VSSA SGND COMP
TEST
TIN
VSS
VDD
XOSCI
XOSCO
RSTB
CLKO
20pF
20pF
I3
O7
A
B
SW3
A
B
SW4
SW5
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
A
B
A
B
O2
O3
O4
0.01uF
10uF
I1
10nF
SW1
O5
5V
14pF
0.1uF
10uF
0.1uF
10uF
A
B
A
B
*1: Digital power supply and Analog power supply are separated in the IC
*2: It must have VDD (Digital power supply) of a sufficiently low impedence
