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Fax: 886-2-29174598
URL: http://www.princeton.com.tw
RDS Demodulator IC
PT2579
APPLICATION CIRCUIT
1
16
15
14
13
12
11
10
9
QUAL
RDCL
T57
2
RDDA
2.2k
Ω
2.2uF
+
3
VREF
OSC2
OSC1
DVDD
DVSS
TEST
MODE
330pF
4.332/8.664MHz
82pF
MUX
PT2579
4
5
6
7
8
MUXL
AVDD
AVSS
CIN
SIGNAL
+5V
47pF
+5V
0.1uF
0.1uF
560pF
SCOUT
Notes:
1. Two crystal frequencies may be used via the MODE pin. Please refer to the table below.
2. For the 4.332MHz Crystal, it is recommended to use TXC 6A04300098 or a component with the
same specifications.
MODE Pin State
LOW
Crystal Clock Frequency (MHz)
4.332
8.664
HIGH
PT2579 v1.3
- 3 -
April. 2004
PTC [ PRINCETON TECHNOLOGY CORP ]
