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ADF4212 PDF预览

ADF4212

更新时间: 2024-01-31 18:15:24
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
20页 252K
描述
Dual RF/IF PLL Frequency Synthesizers

ADF4212 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:TSSOP
包装说明:TSSOP, TSSOP20,.25针数:20
Reach Compliance Code:compliantECCN代码:5A991.B
HTS代码:8542.39.00.01风险等级:5.12
模拟集成电路 - 其他类型:PLL FREQUENCY SYNTHESIZERJESD-30 代码:R-PDSO-G20
JESD-609代码:e3长度:6.5 mm
湿度敏感等级:1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
峰值回流温度(摄氏度):260电源:3 V
认证状态:Not Qualified座面最大高度:1.2 mm
子类别:PLL or Frequency Synthesis Circuits最大供电电流 (Isup):10 mA
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
技术:CMOS温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40宽度:4.4 mm
Base Number Matches:1

ADF4212 数据手册

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a
Dual RF/IF PLL Frequency Synthesizers  
ADF4210/ADF4211/ADF4212/ADF4213  
GENERAL DESCRIPTION  
FEATURES  
The ADF4210/ADF4211/ADF4212/ADF4213 is a dual frequency  
synthesizer that can be used to implement local oscillators (LO)  
in the upconversion and downconversion sections of wireless  
receivers and transmitters. They can provide the LO for both  
the RF and IF sections. They consist of a low-noise digital PFD  
(Phase Frequency Detector), a precision charge pump, a pro-  
grammable reference divider, programmable A and B Counters  
and a dual-modulus prescaler (P/P + 1). The A (6-bit) and B  
(12-bit) counters, in conjunction with the dual modulus prescaler  
(P/P + 1), implement an N divider (N = BP + A). In addition,  
the 14-bit reference counter (R Counter), allows selectable  
REFIN frequencies at the PFD input. A complete PLL (Phase-  
Locked Loop) can be implemented if the synthesizer is used with  
an external loop filter and VCO (Voltage Controlled Oscillators).  
ADF4210: 550 MHz/1.2 GHz  
ADF4211: 550 MHz/2.0 GHz  
ADF4212: 1.0 GHz/2.7 GHz  
ADF4213: 1.0 GHz/3 GHz  
2.7 V to 5.5 V Power Supply  
Separate Charge Pump Supply (VP) Allows Extended  
Tuning Voltage in 3 V Systems  
Programmable Dual Modulus Prescaler  
RF and IF: 8/9, 16/17, 32/33, 64/65  
Programmable Charge Pump Currents  
3-Wire Serial Interface  
Analog and Digital Lock Detect  
Fastlock Mode  
Power-Down Mode  
Control of all the on-chip registers is via a simple 3-wire interface.  
The devices operate with a power supply ranging from 2.7 V to  
5 V and can be powered down when not in use.  
APPLICATIONS  
Base Stations for Wireless Radio (GSM, PCS, DCS,  
CDMA, WCDMA)  
Wireless Handsets (GSM, PCS, DCS, CDMA, WCDMA)  
Wireless LANS  
Communications Test Equipment  
CATV Equipment  
FUNCTIONAL BLOCK DIAGRAM  
V
1
V
2
V 1  
V 2  
R
SET  
DD  
DD  
P
P
12-BIT IF  
B-COUNTER  
REFERENCE  
PHASE  
COMPARATOR  
IF  
IN  
IF  
PRESCALER  
CHARGE  
PUMP  
CP  
IF  
8-BIT IF  
A-COUNTER  
IF CURRENT  
SETTING  
IF  
LOCK  
DETECT  
IFCP3 IFCP2 IFCP1  
OSCILLATOR  
REF  
IN  
14-BIT IF  
R-COUNTER  
OUTPUT  
MUX  
MUXOUT  
CLOCK  
DATA  
LE  
24-BIT  
DATA  
REGISTER  
SDOUT  
RFCP3 RFCP2 RFCP1  
14-BIT RF  
R-COUNTER  
RF  
LOCK  
IF CURRENT  
SETTING  
DETECT  
12-BIT RF  
B-COUNTER  
CHARGE  
PUMP  
CP  
FL  
RF  
RF  
IN  
RF  
PRESCALER  
PHASE  
COMPARATOR  
REFERENCE  
6-BIT RF  
A-COUNTER  
R
ADF4210/ADF4211/  
ADF4212/ADF4213  
SET  
FL SWITCH  
O
O
DGND  
RF  
AGND  
RF  
DGND  
IF  
DGND  
IF  
AGND  
IF  
REV. A  
Information furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assumed by Analog Devices for its  
use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat  
may result from its use. No license is granted by implication or otherwise  
under any patent or patent rights of Analog Devices.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
Fax: 781/326-8703  
www.analog.com  
© Analog Devices, Inc., 2001  

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