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  • ADF4251

OBSOLETE PRODUCT - ADF4251:  PLL、フラクショナルN、低位相ノイズ

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製造中止、または生産終了となりましたアナログ・デバイセズの製品は、Rochester Electronics社を通して購入することができます。製品の販売状況に関しましては、直接Rochester Electronics社にご確認ください。

特長

  • シグマ・デルタ型のフラクショナルN（分数分周）技術により、優れた位相ノイズおよびスプリアス特性を全動作温度範囲で実現
  • ハードおよびソフトによるパワーダウン
  • プログラマブルな分数分周方式の柔軟性により、正確な出力周波数の合成が可能
  • 0.1～3.0GHzのフラクショナルN型PLLと0.05～1.2GHzの整数分周型PLL
  • 3線式シリアル・インターフェース（1.8Vのロジック・レベルに対応可能）
  • REFIN周波数：250MHz
  • プログラマブルなチャージ・ポンプ電流（8×）
  • 最大30MHzのPFD周波数により、高速セトリングと低位相ノイズを実現
  • ソフトウェア設計ツールADIsimPLLに対応
  • 4×4mmのチップ・スケール・パッケージ
  • 2.7～3.3Vの電源電圧、別のVpにより最大5V

Diagrams

ADF4251 Diagram
Functional Block Diagram for ADF4251

仕様

Type Dual Fractional-N
Max RF Input (MHz) 3000MHz
Norm Phase Noise (dBc/Hz) 103dBc
Max REFin (MHz) 150MHz
RF Prescalers 4/5,8/9
Supply Current 13mA
Package 24-Lead CSP

その他の製品を探す


Part# Type Max RF Input (MHz) Output Frequency Range Norm Phase Noise (dBc/Hz) Max REFin (MHz) RF Prescalers Supply Current Package Price* (1000-4999)
AD809 Synthesizer - 155.52 MHz - 19.44 - 17 16-Lead SOIC $3.85
ADF4001 Single Integer-N 200 - -214 104 n/a 4.5 16-Lead TSSOP, 20-Lead CSP $1.72
ADF4002 Single Integer-N 400 - -222 300 n/a 5 16-Lead TSSOP, 20-Lead CSP $1.97
ADF4007 Single Integer-N 7500 - -219 240 N counter = 8/16/32/64 13 20-Lead CSP $2.16
ADF4106 Single Integer-N 6000 - -219 300 16/17, 32/33, 64/65, 8/9 13 16-Lead TSSOP, 20-Lead CSP $2.16
ADF4107 Single Integer-N 7000 - -219 250 16/17, 32/33, 64/65, 8/9 13 16-Lead TSSOP, 20-Lead CSP $2.67
ADF4108 Single Integer-N 8000 - -219 250 16/17, 32/33, 4/5, 64/65, 8/9 15 20-Lead CSP $3.34
ADF4110 Single Integer-N 550 - -215 104 16/17, 32/33, 64/65, 8/9 4.5 16-Lead TSSOP, 20-Lead CSP $2.28
ADF4111 Single Integer-N 1200 - -215 104 16/17, 32/33, 64/65, 8/9 4.5 16-Lead TSSOP, 20-Lead CSP $2.28
ADF4112 Single Integer-N 3000 - -215 104 16/17, 32/33, 64/65, 8/9 6.5 16-Lead TSSOP, 20-Lead CSP $2.28
ADF4113 Single Integer-N 4000 - -215 104 16/17, 32/33, 64/65, 8/9 8.5 16-Lead TSSOP, 20-Lead CSP $2.28
ADF4113HV Single Integer-N 4000 - -212 150 16/17, 32/33, 64/65, 8/9 11 16-Lead TSSOP, 20-Lead CSP $2.49
ADF4116 Single Integer-N 550 - -211 100 8/9 4.5 16-Lead TSSOP $2.28
ADF4117 Single Integer-N 1200 - -213 100 32/33 4.5 16-Lead TSSOP $2.28
ADF4118 Single Integer-N 3000 - -216 100 32/33 6.5 16-Lead TSSOP $2.28
ADF4150 Frac-N/Int-N 4400 - -219 250 4/5, 8/9 25 24-Lead CSP -
ADF4153 Single Fractional-N 4000 - -213 250 4/5, 8/9 20 16-Lead TSSOP, 20-Lead CSP $2.28
ADF4154 Single Fractional-N 4000 - -213 250 4/5, 8/9 20 16-Lead TSSOP, 20-Lead CSP $2.28
ADF4156 Single Fractional-N 6000 - -211 250 4/5, 8/9 26 16-Lead TSSOP, 20-Lead CSP $3.04
ADF4157 Single Fractional-N 6000 - 207 300 - 23 16-Lead TSSOP, 20-Lead CSP $3.25
ADF4193 Fast Settling PLL 3500 - -216 300 4/5, 8/9 68 32-Lead CSP $8.60
ADF4206 Dual Integer-N 550 - 92 40 32/33, 64/65 9.5 16-Lead TSSOP $2.04
ADF4208 Dual Integer-N 2000 - 91 40 32/33, 64/65 14 20-Lead TSSOP $2.04
ADF4212 Dual Integer-N 2700 - 91 115 16/17, 32/33, 64/65, 8/9 11.5 20-Lead CSP, 20-Lead TSSOP $2.45
ADF4212L Dual Integer-N 2400 - -215 115 16/17, 32/33, 64/65, 8/9 6 20-Lead CSP, 20-Lead TSSOP $2.45
ADF4213 - 3000 - 91 115 16/17, 32/33, 8/9 20 - $1.79
ADF4216 - 1200 - 87 40 32/33, 64/65 18 - $1.94
ADF4218L Dual Integer-N 3000 - -216 110 32/33, 64/65 7 20-Lead TSSOP, 24-Lead BCC $2.54
ADF4252 Dual Fractional-N 3000 - -214 150 4/5, 8/9 13 24-Lead CSP $2.67
ADF4350 Frac-N/Int-N w/ VCO - 137.5-4400 MHz 213 105 4/5, 8/9 27 32-Lead CSP $10.30
ADF4360-0 Synthesizer/VCO Integer-N - 2400-2725 MHz -214 250 16/17, 32/33, 8/9 - 24-Lead CSP $3.10
ADF4360-1 Synthesizer/VCO Integer-N - 2050-2450 MHz -217 250 16/17, 32/33, 8/9 - 24-Lead CSP $3.10
ADF4360-2 Synthesizer/VCO Integer-N - 1850-2150 MHz -217 250 16/17, 32/33, 8/9 - 24-Lead CSP $3.10
ADF4360-3 Synthesizer/VCO Integer-N - 1600-1950 MHz -217 250 16/17, 32/33, 8/9 - 24-Lead CSP $3.10
ADF4360-4 Synthesizer/VCO Integer-N - 1450-1750 MHz -217 250 16/17, 32/33, 8/9 - 24-Lead CSP $3.10
ADF4360-5 Synthesizer/VCO Integer-N - 1200-1400 MHz -217 250 16/17, 32/33, 8/9 - 24-Lead CSP $3.10
ADF4360-6 Synthesizer/VCO Integer-N - 1050-1250 MHz -217 250 16/17, 32/33, 8/9 - 24-Lead CSP $3.10
ADF4360-7 Synthesizer/VCO Integer-N - 350-1800 MHz -217 250 16/17, 8/9 - 24-Lead CSP $3.10
ADF4360-8 Synthesizer/VCO Integer-N - 65-400 MHz -217 250 - - 24-Lead CSP $3.10
ADF4360-9 Synthesizer/VCO Integer-N - 1.1-200 MHz 218 250 - 7.5 - $3.06

* The pricing listed here is provided only for budgetary purposes as recommended list price in U.S. Dollars in the United States ex factor per unit for the stated volume. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
** Pricing is currently unavailable. Click on the product number to see the Product Page for additional information.