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S1M8831A - FRACTIONAL-N RF/INTEGER-N IF DUAL PLL

Datasheet Summary

Description

Pin No.

O

Description RF PLL power supply(2.7V to 4.0V).

Must be equal to VDDIF.

Power supply for RF charge pump.

Features

  • High operating frequency dual synthesizer.
  • S1M8831A: 0.71 to 1.2GHz(RF)/ 45 to 520MHz(IF).
  • S1M8833: 1.6 to 1.65GHz(RF)/ 45 to 520MHz(IF).
  • Operating voltage range: 2.7 to 4.0V Low current consumption (S1M8831A: 5.0mA, S1M8833: 7.0mA) Selectable power saving mode (ICC = 1uA typical @ 3V) Dual-modulus prescaler and Fractional-N/Integer-N:.
  • S1M8831A.
  • S1M8833.
  • S1M8831A/33.

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Datasheet Details

Part number S1M8831A
Manufacturer Samsung semiconductor
File Size 223.96 KB
Description FRACTIONAL-N RF/INTEGER-N IF DUAL PLL
Datasheet download datasheet S1M8831A Datasheet
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Full PDF Text Transcription

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FRACTIONAL-N RF/INTEGER-N IF DUAL PLL S1M8831A/33 INTRODUCTION The S1M8831A/33 is a Fractional-N frequency synthesizer with integrated prescalers, designed for RF operation up to 1.2GHz/K-PCS and for IF operation up to 520MHz. The fractional-N synthesizer allows fast-locking, low phase noise phase-locked loops to be built easily, thus having rapid channel switching and reducing standby time for extended battery life. The S1M8831A/33 based on ∑ - ∆ fractional-N techniques solves the fractional spur problems in other fractional-N synthesizers based on charge pump compensation. The synthesizer also has an additional feature that the www.DataSheet4U.com PCS/CDMA channel frequency in steps of 10kHz can be accurately programmed. 24-QFN-3.5×4.
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