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ICs for Mobile Communication
AN8539SH
300 MHz-band single PLL IC
s Overview
The AN8539SH is a 300 MHz-band, 2nd local OSC PLL IC designed for a cellular phone which allows IF switching to high or low.
0.5
1 10
Unit: mm
0.2±0.1
• Cellular phone
0.5±0.2 4.3±0.30 6.3±0.30
SSOP010-P-0225
s Block Diagram
SELECT
REF
VCC
10
LD
9
8
7
Lock detection
14-bit R counter
15-bit N counter
Phase comparator
1/16, 1/17 prescaler
Selector
2
3
4
CPSUB
1
CP
GND
IFIN
PS
5
6
SW
0.15+0.1 –0.05
s Applications
0.625±0.10
1.5±0.2
• To be switched to two frequencies. (Select by SELECT pin.) • Analog SW built-in • ICC = 900 µA
0.1±0.1
0.625±0.10
s Features
5
6
3.0±0.30
1
AN8539SH
s Pin Descriptions
Pin No.
AN8539SH Datasheet
