Remote Control Decoder IC
Tel: 886-2-66296288
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
PT2604
OSCILLATOR FREQUENCY VS. SUPPLY VOLTAGE
350
300
120K
250
150K
200
180K
220K
150
270K
330K
100
390K
470K
560K
50
680K
820K
1M
1.5M
2M
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
VDD (V DC)
The Suggested Oscillator Resistor Values are shown below.
PT2607
220KΩ
330KΩ
1MΩ
PT2604
220KΩ
330KΩ
1MΩ
Note:
PT2604’s VCC=3V to 15V and PT2607’s VCC=3V to 15V
It is highly recommended that the oscillator frequency of the decoder be almost equal to that of the
encoder - fosc(decoder) ≅ fosc (encoder).
PT2604 V1.1
-7-
April, 2006