Datasheet > 信号电路 > 锁相环或频率合成电路> SKY73121-11

SKY73121-11

更新时间： 2024-01-12 00:18:03

品牌	Logo	应用领域
思佳讯 - SKYWORKS		开关信号电路锁相环或频率合成电路
页数	文件大小	规格书
22页	260K
描述
1805 - 1890 MHz High Performance VCO/Synthesizer With Integrated Switch

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SKY73121-11 技术参数

是否Rohs认证：	符合	生命周期：	Active
零件包装代码：	MCM	包装说明：	QCCN,
针数：	38	Reach Compliance Code：	unknown
HTS代码：	8542.39.00.01	风险等级：	5.72
Is Samacsys：	N	模拟集成电路 - 其他类型：	PHASE LOCKED LOOP
JESD-30 代码：	R-XQCC-N38	长度：	12 mm
功能数量：	1	端子数量：	38
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：	QCCN
封装形状：	RECTANGULAR	封装形式：	CHIP CARRIER
峰值回流温度（摄氏度）：	NOT SPECIFIED	认证状态：	Not Qualified
座面最大高度：	1.85 mm	最大供电电压 (Vsup)：	5.25 V
最小供电电压 (Vsup)：	4.75 V	标称供电电压 (Vsup)：	5 V
表面贴装：	YES	温度等级：	INDUSTRIAL
端子形式：	NO LEAD	端子位置：	QUAD
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	9 mm
Base Number Matches：	1

SKY73121-11 数据手册

DATA SHEET

SKY73121-11: 1805–1890 MHz High Performance

VCO/Synthesizer With Integrated Switch

Applications

Description

Skyworks SKY73121-11 Voltage-Controlled Oscillator

(VCO)/Synthesizer is a fully integrated, high performance signal

source for high dynamic range transceivers. The device provides

ultra-fine frequency resolution, fast switching speed, and low

phase noise performance for 2G, 2.5G, and 3G base station

transceivers.

x 2G, 2.5G, and 3G base station transceivers:

ꢀ GSM, EDGE, CDMA, WCDMA

x General purpose RF systems

Features

The SKY73121-11 VCO/Synthesizer is a key building block for

high-performance radio system designs that require low power

and a fine step size. Reference clock generators with an output

frequency up to 52 MHz can be used with the SKY73121-11. A

functional block diagram is shown in Figure 1. As indicated in this

diagram, the reference frequency is divided down by 1, 2, 4, or 8

in the R1 divider, depending on the value of the reference divisor

input (R1). Refer to the Reference Input Divider section (page 10)

for more information.

x Frequency operation range: 1805 to 1890 MHz

x Process-tolerant compensation for VCO

x 24-bit 6' fractional-N synthesizer

x Ultra-fine frequency resolution of 0.001 ppm

x Flexible reference frequency selection

x Three-wire serial interface up to 20 MHz clock frequency

x Integrated PLL supply regulation for spur isolation

The SKY73121-11 VCO/Synthesizer is provided in a compact,

38-pin Multi-Chip Module (MCM). The device package and pinout

are shown in Figure 2. Signal pin assignments and functional pin

descriptions are provided in Table 1.

x MCM (38-pin, 9 x 12 mm) SMT package (MSL3, 260 qC per

JEDEC J-STD-020)

Z = 1:4

VCO Out +

VCO Out –

RF Output

SW_EN

Vtune

Cal

Buffer

SR Out +

SR Out –

Vtune

cap [6:0]

PLL

Low Pass Filter

Flag

CLK

3-Wire

Serial

Interface

CPO RF

SP1

SC1

DAT

Divider

RF Charge

Pump

FREF

PFD

RF^IN

P/P+1

Prescaler

Divider

RF^INB

Mux

(LD/Test)

Divide-by-2

ΔΣ

Modulator

Digital

Coarse

Calibration

cap [6:0]

Calibration

Complete

S1040

Figure 1. SKY73121-11 Functional Block Diagram

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

200888B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • December 1, 2009

12 3 4 5 6 7...22

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