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S1M8823

Part Number	S1M8823
Manufacturer	Samsung semiconductor
Description	(S1M8821 - S1M8823) INTERGER RF/IF DUAL PLL
Published	Aug 16, 2008
Detailed Description	INTERGER RF/IF DUAL PLL S1M8821/22/23 INTRODUCTION 20-TSSOP-BD44 The S1M8821/22/23 is a high performance dual frequenc...
Datasheet	S1M8823 PDF File

Overview

INTERGER RF/IF DUAL PLL S1M8821/22/23 INTRODUCTION 20-TSSOP-BD44 The S1M8821/22/23 is a high performance dual frequency synthesizer with integrated prescalers designed for RF operation up to 1.
2GHz/2.
0GHz/2.
5GHz and IF operation up to 520MHz.
The S1M8821/22/23 contains dual-modulus prescalers.
The RF synthesizer adopts a 64/65 or a 128/129 prescaler(32/33 or 64/65 for the S1M8823) and the IF synthesizer adopts an 8/9 or a 16/17 prescaler.
Using a proprietary digital phase-locked-loop technique, the S1M8821/22/23 has linear phase detector characteristic and can be www.
DataSheet4U.
com used for very stable, low noise local oscillator signal.
Supply voltage can range from 2.
7V to 4.
0V.
The S1M8821/22/23 is now available in a 20-TSSOP/24-QFN package.
24-QFN-3.
5×4.
5 FEATURES • High operating frequency dual synthesizer — S1M8821 : 0.
1 to 1.
2GHz (RF)/ 45 to 520MHz (IF) — S1M8822 : 0.
2 to 2.
0GHz (RF)/ 45 to 520MHz (IF) — S1M8823 : 0.
5 to 2.
5GHz (RF)/ 45 to 520MHz (IF) • • • • Very low current consumption(8821:3.
5mA, 22:4.
5mA, 23:5.
5mA) Operating voltage range : 2.
7 to 4.
0V Selectable power saving mode(Icc=1uA typical @3V) Dual modulus prescaler : S1M8821/22 S1M8823 S1M8821/22/23 No dead-zone PFD Variable charge pump output current High speed lock mode (RF) 64/65 or 128/129 (RF) 32/33 or 64/65 (IF) 8/9 or 16/17 • • • • Programmability via serial bus interface APPLICATIONS • • • • Cellular telephone systems : S1M8821 Portable wireless communications : S1M8822 (PCS/PCN, cordless) Wireless Local Area Networks (W-LANs) : S1M8823 Other wireless communication systems 1 S1M8821/22/23 INTERGER RF/IF DUAL PLL ORDERING INFORMATION Device S1M8821X01-R0T0 S1M8822X01-R0T0 S1M8823X01-R0T0 S1M8821X01-R0T0 S1M8822X01-R0T0 S1M8823X01-R0T0 www.
DataSheet4U.
com Package 20-TSSOP-BD44 Operating Temperature -40 to +85°C 24-QFN-3.
5×4.
5 -40 to +85°C 2 INTERGER RF/IF DUAL PLL S1M8821/22/23 BLOCK DIAGRAM VDD1 1 www.
DataSheet4U.
com RF LD RF Phase Detector foLD Data Out Multiplexer I...

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