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CX74038-12 PDF预览

CX74038-12

更新时间: 2024-02-25 05:24:08
品牌 Logo 应用领域
思佳讯 - SKYWORKS 信号电路锁相环或频率合成电路光电二极管
页数 文件大小 规格书
12页 117K
描述
2.6 GHz/800 MHz Dual Fractional-N/lnteger-N Frequency Synthesizer

CX74038-12 技术参数

生命周期:Obsolete零件包装代码:TSSOP
包装说明:TSSOP, TSSOP20,.25针数:20
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.62Is Samacsys:N
模拟集成电路 - 其他类型:PLL FREQUENCY SYNTHESIZERJESD-30 代码:R-PDSO-G20
长度:6.5 mm功能数量:1
端子数量:20最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装等效代码:TSSOP20,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
电源:2.7 V认证状态:Not Qualified
座面最大高度:1.2 mm子类别:PLL or Frequency Synthesis Circuits
最大供电电压 (Vsup):3.6 V最小供电电压 (Vsup):2.6 V
标称供电电压 (Vsup):2.7 V表面贴装:YES
温度等级:INDUSTRIAL端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
宽度:4.4 mmBase Number Matches:1

CX74038-12 数据手册

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DATA SHEET  
CX74038: 2.6 GHz/800 MHz Dual Fractional-N/lnteger-N  
Frequency Synthesizer  
Applications  
Description  
The Skyworks CX74038 is a complete, low-power  
Multi-slot GSM/DCS  
2.6 GHz/800 MHz dual frequency synthesizer. The device provides  
both Radio Frequency (RF) channels and Intermediate Frequency  
(IF) channels. Fractional-N operation offers low phase noise, fast  
settling time, and low spurious tones for RF channels. A standard  
integer-N division is used for IF channels.  
PCS/W-CDMA  
Portable communication systems  
Dual-mode cellular telephone systems  
Spread spectrum receivers  
Wireless LAN systems  
The three-wire serial interface provides programmable control of  
the frequency synthesizer to support dual-conversion  
transceivers.  
Wireless routers and WLL systems  
SATCOM receivers  
The 20-pin Thin Shrink Small Outline Package (TSSOP) device  
package and pin configuration are shown in Figure 1. A functional  
block diagram of the CX74038 is shown in Figure 2.  
Features  
Maximum operating frequency: 2.6 GHz  
Maximum IF synthesizer frequency: 800 MHz  
Supply voltage as low as 2.6 V  
Fast frequency settling time with fractional-N operation  
Internal fractional spur reduction  
Programmable charge pump currents  
Digital lock detector  
Power saving at lower frequency  
TSSOP (20-pin, 6.5 x 4.4 x 1.0 mm) package  
VDD1_RF  
VDD2_RF  
CPO_RF  
GND  
VDD1_IF  
VDD2_IF  
CPO_IF  
GND  
1
2
20  
19  
3
4
5
6
7
8
18  
17  
16  
15  
14  
13  
RFIN  
IFIN  
RFINB  
GND  
IFINB  
GND  
FREF  
LE  
GND  
DAT  
9
12  
11  
LD_TP  
CLK  
10  
C1452  
Figure 1. CX74038 Pinout – 20-Pin TSSOP  
(Top View)  
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com  
101075I • Skyworks Proprietary and Confidential information • Products and product information are subject to change without notice • January 31, 2005  
1

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