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S1M8822 Datasheet(PDF) 1 Page - Samsung semiconductor |
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S1M8822 Datasheet(HTML) 1 Page - Samsung semiconductor |
1 / 22 page INTERGER RF/IF DUAL PLL S1M8821/22/23 1 INTRODUCTION 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 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. 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 (RF) 64/65 or 128/129 S1M8823 (RF) 32/33 or 64/65 S1M8821/22/23 (IF) 8/9 or 16/17 • Programmability via serial bus interface • No dead-zone PFD • Variable charge pump output current • High speed lock mode APPLICATIONS • Cellular telephone systems : S1M8821 • Portable wireless communications : S1M8822 (PCS/PCN, cordless) • Wireless Local Area Networks (W-LANs) : S1M8823 • Other wireless communication systems 20-TSSOP-BD44 24-QFN-3.5 ×4.5 |
Similar Part No. - S1M8822 |
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Similar Description - S1M8822 |
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