Datasheet > SKY72310-362LF

SKY72310-362LF

更新时间： 2024-02-18 01:24:37

品牌	Logo	应用领域
思佳讯 - SKYWORKS		/
页数	文件大小	规格书
19页	206K
描述
Phase Locked Loop, 4 X 4 MM, ROHS COMPLIANT, QFN-24

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SKY72310-362LF 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	零件包装代码：	QFN
包装说明：	QFN-24	针数：	24
Reach Compliance Code：	unknown	HTS代码：	8542.39.00.01
风险等级：	7.89	其他特性：	IT IS ALSO AVAILABLE IN DIVIDE RATIO 32 TO 543 IN INTEGER-N MODE
模拟集成电路 - 其他类型：	PHASE LOCKED LOOP	JESD-30 代码：	S-XQCC-N24
长度：	4 mm	湿度敏感等级：	3
功能数量：	1	端子数量：	24
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	UNSPECIFIED	封装代码：	HVQCCN
封装形状：	SQUARE	封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：	260	认证状态：	Not Qualified
座面最大高度：	1 mm	最大供电电压 (Vsup)：	3.3 V
最小供电电压 (Vsup)：	2.7 V	标称供电电压 (Vsup)：	3 V
表面贴装：	YES	温度等级：	INDUSTRIAL
端子形式：	NO LEAD	端子节距：	0.5 mm
端子位置：	QUAD	处于峰值回流温度下的最长时间：	40
宽度：	4 mm	Base Number Matches：	1

SKY72310-362LF 数据手册

DATA SHEET

SKY72310: Spur-Free, 2.1 GHz Single Fractional-N Frequency

Synthesizer

Applications

Description

Skyworks SKY72310 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.

• General purpose RF systems

• 2.5G and 3G wireless infrastructure

• Broadband wireless access

• Low bit rate wireless telemetry

• Instrumentation

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.

• L-band receivers

• Satellite communications

Features

• Spur-free operation

• 2.1 GHz maximum operating frequency

• Ultra-fine step size, 100 Hz or less

The SKY72310 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.

• High internal reference frequency enables large loop bandwidth

implementations

• Very fast switching speed (e.g., below 100 µs)

Reference crystals or oscillators up to 50 MHz can be used with

the SKY72310. The crystal frequency is divided down by

independent programmable dividers (1 to 32) for the synthesizer.

The phase detector 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 µs can be achieved. The lower in-band phase noise

also permits the use of lower cost Voltage Controlled Oscillators

(VCOs) in customer applications.

• 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 detector with programmable gain to provide a

programmable loop bandwidth

• Frequency power steering further enhances rapid acquisition

time

The SKY72310 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.

• On-chip crystal oscillator

• Frequency adjust for temperature compensation

• 3 V operation

The unit operates with a three-wire, high-speed serial interface. A

combination of large bandwidth, fine resolution, and the three

wire interface allows for direct frequency modulation of the VCO.

This supports any continuous phase, constant envelope

modulation scheme such as Frequency Modulation (FM),

Frequency Shift Keying (FSK), Minimum Shift Keying (MSK), or

Gaussian Minimum Shift Keying (GMSK).

• 5 V output to loop filter

• QFN (24-pin, 4 x 4 mm) Pb-free (MSL3, 260 °C per JEDEC J-

STD-020) package

Skyworks offers lead (Pb)-free, RoHS (Restriction of

Hazardous Substances) compliant packaging.

Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

200705E • Skyworks Proprietary and Confidential information • Products and Product Information are Subject to Change Without Notice • July 30, 2008

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SKY72310-362LF 替代型号

型号	品牌	替代类型	描述	数据表
SKY72300-362	SKYWORKS	类似代替	750-850 MHz High Performance VCO/Synthesizer With Integrated Switch

与SKY72310-362LF相关器件

型号	品牌	获取价格	描述	数据表
SKY73001	SKYWORKS	获取价格	2 ? 3500 MHz Direct Conversion Mixer
SKY73001_06	SKYWORKS	获取价格	2 - 3500 MHz Direct Conversion Mixer
SKY73001-11	SKYWORKS	获取价格	2 ? 3500 MHz Direct Conversion Mixer
SKY73009	SKYWORKS	获取价格	400 -3000 MHz Direct Quadrature Demodulator
SKY73009-11	SKYWORKS	获取价格	400 -3000 MHz Direct Quadrature Demodulator
SKY73010	SKYWORKS	获取价格	300 - 2500 MHz Direct Quadrature Modulator
SKY73010-11	SKYWORKS	获取价格	300 - 2500 MHz Direct Quadrature Modulator
SKY73010-21	SKYWORKS	获取价格	Modulator, AM/Phase, 300MHz Min, 2500MHz Max, 4 X 4 MM, LEAD FREE, RFLGA-16
SKY73012	SKYWORKS	获取价格	400 - 3900 MHz Direct Quadrature Demodulator
SKY73013-306	SKYWORKS	获取价格	Direct Quadrature Demodulator 4.9-5.925 GHz Featuring No-Pull LO Architecture

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