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OBSOLETE PRODUCT - ADF4251:  采用小数N分频技术的最低相位噪声PLL频率合成器

欲了解更多信息，请联系： 技术支持.

Rochester Electronics is the only authorized source of Analog Devices' products that have previously been discontinued or have become obsolete. Product availability should be checked directly with Rochester Electronics.

特性

  • Σ-Δ型小数N分频技术确保在整个温度范围内均能保持出色的相位噪声和杂散性能
  • 硬件和软件省电模式
  • 灵活的可编程小数模数确保能合成精确的输出频率
  • 0.1 - 3.0 GHz小数N分频/0.05 - 1.2 GHz整数N分频PLL
  • 三线式串行接口，1.8 V逻辑兼容性
  • 250 MHz REFIN频率
  • 8x可编程电荷泵电流
  • 最高30 MHz的PFD频率可实现更快的建立时间和更低的相位噪声
  • 受ADIsimPLL软件设计工具支持
  • 提供4x4 mm芯片级封装
  • 2.7 - 3.3 V电源，最高5 V的独立VP

框图

ADF4251框图
ADF4251功能框图

技术指标

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

浏览其他的产品


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.