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AN8538SH

Part Number	AN8538SH
Manufacturer	Panasonic Semiconductor
Description	Single PLL
Published	Mar 26, 2005
Detailed Description	ICs for Mobile Communication AN8538SH Single PLL IC for cellular phone s Overview The AN8538SH is a single PLL IC with ...
Datasheet	AN8538SH PDF File

Overview

ICs for Mobile Communication AN8538SH Single PLL IC for cellular phone s Overview The AN8538SH is a single PLL IC with a fixed frequency dividing ratio for IF local oscillation of a cellular phone.
You can generate a local signal of 260.
76 MHz by using a reference signal of 19.
68 MHz or 19.
8 MHz.
1 10 Unit: mm 0.
2±0.
1 0.
5 • Two reference frequencies of 19.
68 MHz and 19.
8 MHz are available.
(Select by SELECT pin.
) • Power saving operation (VCC = 2.
7 V, 0.
9 mA typ.
) • Power saving function (10 µA max.
) • Two systems of charge pump output (one of them can be switched to on/off with SW pin.
) • Lock detection function • SSONF-10D small package 0.
1±0.
1 s Features 0.
625±0.
10 5 6 0.
5±0.
2 4.
3±0.
30 6.
3±0.
30 SSOP010-P-0225 s Applications • IF local oscillation for cellular phone terminal (CDMA for North America) s Block Diagram SELECT REF VCC LD SW 10 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 0.
625±0.
10 0.
15+0.
1 –0.
05 1.
5±0.
2 3.
0±0.
30 1 AN8538SH s Pin Descriptions 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  I I I  I I O ICs for Mobile Communication Level CMOS CMOS  ECL CMOS CMOS  ECL CMOS CMOS s Absolute Maximum Ratings Parameter Supply voltage Supply current Power dissipation *2 *1 Symbol VCC ICC PD Topr Tstg Rating 3.
6 3.
5 12.
6 −30 to +85 −55 to +125 Unit V mA mW °C °C Operating ambient temperature Storage temperature *1 Note) *1: Except for the operating ambient temperature and storage temperature, all ratings are for Ta = 25°C.
*2: Ta = 85°C s Recommended Operating Range Parameter Supply voltage Symbol VCC Range 2.
55 to 3.
3 Unit V s Electrical Characteristics at VCC = 2.
7 V, fREF...

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AN8538SH Single PLL - Panasonic Semiconductor

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