AN8539SH - 300 MHz-band single PLL
Pin No.
1 2 3 4 5 6 7 8 9 10 Symbol CPSUB CP GND IFIN PS SW VCC REF SELECT LD Description Sub charge pump output Charge pump output GND pin IF input Power save control Sub charge pump control Power supply pin Reference frequency input IF frequency changeover control Lock detection output I/O O O
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
