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LT5575EUFPBF PDF预览

LT5575EUFPBF

更新时间： 2024-02-28 16:21:59
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
16页 303K
描述
800MHz to 2.7GHz High Linearity Direct Conversion Quadrature Demodulator

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中文翻译

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LT5575EUFPBF 技术参数

是否Rohs认证： 不符合生命周期：Active
Reach Compliance Code：compliant风险等级：5.7
JESD-30 代码：S-PQCC-N16JESD-609代码：e0
端子数量：16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：QCCN封装等效代码：LCC16,.16SQ,25
封装形状：SQUARE封装形式：CHIP CARRIER
电源：5 V认证状态：Not Qualified
子类别：Other Telecom ICs最大压摆率：155 mA
标称供电电压：5 V表面贴装：YES
温度等级：INDUSTRIAL端子面层：Tin/Lead (Sn/Pb)
端子形式：NO LEAD端子节距：0.635 mm
端子位置：QUADBase Number Matches：1

LT5575EUFPBF 数据手册

 浏览型号LT5575EUFPBF的Datasheet PDF文件第2页浏览型号LT5575EUFPBF的Datasheet PDF文件第3页浏览型号LT5575EUFPBF的Datasheet PDF文件第4页浏览型号LT5575EUFPBF的Datasheet PDF文件第5页浏览型号LT5575EUFPBF的Datasheet PDF文件第6页浏览型号LT5575EUFPBF的Datasheet PDF文件第7页 
LT5575  
800MHz to 2.7GHz  
High Linearity Direct Conversion  
Quadrature Demodulator  
DESCRIPTION  
FEATURES  
The LT®5575 is an 800MHz to 2.7GHz direct conversion  
quadrature demodulator optimized for high linearity  
■
Input Frequency Range: 0.8GHz to 2.7GHz*  
50Ω Single-Ended RF and LO Ports  
■
■
High IIP3: 28dBm at 900MHz, 22.6dBm at 1.9GHz  
High IIP2: 54.1dBm at 900MHz, 60dBm at 1.9GHz  
Input P1dB: 13.2dBm at 900MHz  
I/Q Gain Mismatch: 0.04dB Typical  
I/Q Phase Mismatch: 0.4° Typical  
Low Output DC Offsets  
Noise Figure: 12.8dB at 900MHz, 12.7dB at 1.9GHz  
Conversion Gain: 3dB at 900MHz, 4.2dB at 1.9GHz  
Very Few External Components  
receiver applications. It is suitable for communications  
receivers where an RF signal is directly converted into I  
and Q baseband signals with bandwidth up to 490MHz.  
The LT5575 incorporates balanced I and Q mixers, LO  
bufferamplifiersandaprecision,highfrequencyquadrature  
phaseshifter.Theintegratedon-chipbroadbandtransform-  
ers provide 50Ω single-ended interfaces at the RF and LO  
inputs. Only a few external capacitors are needed for its  
application in an RF receiver system.  
■
■
■
■
■
■
■
■
■
■
Shutdown Mode  
16-Lead QFN 4mm × 4mm Package with  
Exposed Pad  
The high linearity of the LT5575 provides excellent spur-  
free dynamic range for the receiver. This direct conversion  
demodulator can eliminate the need for intermediate fre-  
quency(IF)signalprocessing,aswellasthecorresponding  
requirements for image filtering and IF filtering. Channel  
filtering can be performed directly at the outputs of the I  
and Q channels. These outputs can interface directly to  
channel-select filters (LPFs) or to baseband amplifiers.  
APPLICATIONS  
■
Cellular/PCS/UMTS Infrastructure  
■
RFID Reader  
■
High Linearity Direct Conversion I/Q Receiver  
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
*Operation over a wider frequency range is possible with reduced performance. Consult  
the factory.  
TYPICAL APPLICATION  
Conversion Gain, NF, IIP3 and IIP2  
vs LO Input Power at 1900MHz  
High Signal-Level I/Q Demodulator for Wireless Infrastructure  
+5V  
35  
30  
25  
20  
15  
10  
5
70  
60  
50  
40  
30  
20  
10  
0
IIP2  
V
CC  
LT5575  
+
RF  
INPUT  
BPF  
BPF  
LPF  
I
OUT  
RF  
LNA  
VGA  
A/D  
–
I
IIP3  
OUT  
0°  
DSB NF  
LO  
LO INPUT  
ENABLE  
–40°C  
25°C  
85°C  
0°/90°  
CONV  
GAIN  
90°  
+
LPF  
Q
Q
OUT  
VGA  
A/D  
–
OUT  
EN  
0
–5  
–15  
–10  
0
5
5575 TA01  
LO INPUT POWER (dBm)  
5575 TA01b  
5575f  
1
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中文翻译

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