参数资料
| 型号： | SKY72300-362 |
| 厂商： | Skyworks Solutions Inc |
| 文件页数： | 1/20页 |
| 文件大小： | 0K |
| 描述： | IC SYNTHESIZER 2.1GHZ 24QFN |
| 产品目录绘图： | 24-QFN |
| 标准包装： | 1 |
| 类型： | 分数 N 合成器 |
| PLL： | 是 |
| 输入： | 时钟，晶体 |
| 输出： | 时钟，晶体 |
| 电路数： | 1 |
| 比率 - 输入:输出： | 2:2 |
| 差分 - 输入:输出： | 是/是 |
| 频率 - 最大： | 2.1GHz |
| 除法器/乘法器： | 是/无 |
| 电源电压： | 2.7 V ~ 3.3 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-VFQFN 裸露焊盘 |
| 供应商设备封装： | 24-QFN（4x4） |
| 包装： | 标准包装 |
| 产品目录页面： | 587 (CN2011-ZH PDF) |
| 其它名称： | 863-1077-6 |
Skyworks Solutions, Inc. Phone [781] 376-3000 Fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com
200731B Skyworks Proprietary and Confidential information Products and Product Information are Subject to Change Without Notice July 30, 2007
1
DATA SHEET
SKY72300-362: Spur-Free, 2.1 GHz Dual Fractional-N
Frequency Synthesizer
Applications
General purpose RF systems
2.5G and 3G wireless infrastructure
Broadband wireless access
Low bit rate wireless telemetry
Instrumentation
L-band receivers
Satellite communications
Features
Spur-free operation
2.1 GHz maximum operating frequency
500 MHz maximum auxiliary synthesizer
Ultra-fine step size, 100 Hz or less
High internal reference frequency enables large loop bandwidth
implementations
Very fast switching speed (e.g., below 100 s)
Phase noise to –91 dBc/Hz inside the loop filter bandwidth
@ 1800 MHz
Software programmable power-down modes
High-speed serial interface up to 100 Mbps
Three-wire programming
Programmable division ratios on reference frequency
Phase detectors with programmable gain to provide a
programmable loop bandwidth
Frequency power steering further enhances rapid acquisition
time
On-chip crystal oscillator
Frequency adjust for temperature compensation
Skyworks offers lead (Pb)-free RoHS (Restriction of
Hazardous Substances) compliant packaging.
Direct digital modulation
3 V operation
5 V output to loop filter
QFN (24-pin, 4 x 4 mm) Pb-free (MSL3, 260 °C per JEDEC J-
STD-020) package
Description
Skyworks SKY72300-362 direct digital modulation fractional-N
frequency synthesizer provides ultra-fine frequency resolution,
fast switching speed, and low phase-noise performance. This
synthesizer is a key building block for high-performance radio
system designs that require low power and fine step size.
The ultra-fine step size of less than 100 Hz allows this synthesizer
to be used in very narrowband wireless applications. With proper
temperature sensing or through control channels, the
synthesizer’s fine step size can compensate for crystal oscillator
or Intermediate Frequency (IF) filter drift. As a result, crystal
oscillators or crystals can replace temperature-compensated or
ovenized crystal oscillators, reducing parts count and associated
component cost. The device’s fine step size can also be used for
Doppler shift corrections.
The SKY72300-362 has a phase noise floor of –90 dBc/Hz up to
2.1 GHz operation as measured inside the loop bandwidth. This is
permitted by the on-chip low noise dividers and low divide ratios
provided by the device’s high fractionality.
Reference crystals or oscillators up to 50 MHz can be used with
the SKY72300-362. The crystal frequency is divided down by
independent programmable dividers (1 to 32) for the main and
auxiliary synthesizers. The phase detectors can operate at a
maximum speed of 25 MHz, which allows better phase noise due
to the lower division value. With a high reference frequency, the
loop bandwidths can also be increased. Larger loop bandwidths
improve the settling times and reduce in-band phase noise.
Therefore, typical switching times of less than 100 s can be
achieved. The lower in-band phase noise also permits the use of
lower cost Voltage Controlled Oscillators (VCOs) in customer
applications.
The SKY72300-362 has a frequency power steering circuit that
helps the loop filter to steer the VCO when the frequency is too
fast or too slow, further enhancing acquisition time.
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相关代理商/技术参数 |
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| SKY72301-22 | 功能描述:锁相环 - PLL 1GHz / 500MHz Syn. Phase noise-96dBc/Hz RoHS:否 制造商:Silicon Labs 类型:PLL Clock Multiplier 电路数量:1 最大输入频率:710 MHz 最小输入频率:0.002 MHz 输出频率范围:0.002 MHz to 808 MHz 电源电压-最大:3.63 V 电源电压-最小:1.71 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:QFN-36 封装:Tray |
| SKY72302 | 制造商:SKYWORKS 制造商全称:SKYWORKS 功能描述:Spur-Free, 6.1 GHz Dual Fractional-N Frequency Synthesizer |
| SKY72302-21 | 功能描述:时钟合成器/抖动清除器 6.1GHz 400Hz step Freq. Synthesizer RoHS:否 制造商:Skyworks Solutions, Inc. 输出端数量: 输出电平: 最大输出频率: 输入电平: 最大输入频率:6.1 GHz 电源电压-最大:3.3 V 电源电压-最小:2.7 V 封装 / 箱体:TSSOP-28 封装:Reel |
| SKY72310-362 | 功能描述:IC SYNTHESIZER 2.1GHZ 24QFN RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:- 产品变化通告:Product Discontinuation 04/May/2011 标准包装:96 系列:- 类型:时钟倍频器，零延迟缓冲器 PLL:带旁路 输入:LVTTL 输出:LVTTL 电路数:1 比率 - 输入:输出:1:8 差分 - 输入:输出:无/无 频率 - 最大:133.3MHz 除法器/乘法器:是/无 电源电压:3 V ~ 3.6 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:16-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:16-TSSOP 包装:管件 其它名称:23S08-5HPGG |
| SKY72310-362LF | 功能描述:IC SYNTHESIZER 2.1GHZ 24-QFN RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:- 标准包装:2,000 系列:- 类型:PLL 频率合成器 PLL:是 输入:晶体 输出:时钟 电路数:1 比率 - 输入:输出:1:1 差分 - 输入:输出:无/无 频率 - 最大:1GHz 除法器/乘法器:是/无 电源电压:4.5 V ~ 5.5 V 工作温度:-20°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-LSSOP（0.175"，4.40mm 宽） 供应商设备封装:16-SSOP 包装:带卷 (TR) 其它名称:NJW1504V-TE1-NDNJW1504V-TE1TR |
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