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LTC5542

更新时间： 2024-02-02 15:53:08
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
1页 50K
描述
0.6GHz to 1.3GHz High Dynamic Range Downconverting Mixer

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LTC5542 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：QFN包装说明：LCC20(UNSPEC)
针数：20Reach Compliance Code：compliant
ECCN代码：EAR99风险等级：5.81
特性阻抗：50 Ω构造：COMPONENT
最大输入功率 (CW)：15 dBmJESD-609代码：e3
安装特点：SURFACE MOUNT端子数量：20
最大工作频率：2700 MHz最小工作频率：1600 MHz
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装等效代码：LCC20(UNSPEC)
电源：3.3 V射频/微波设备类型：DOUBLE BALANCED
子类别：RF/Microwave Mixers表面贴装：YES
技术：CMOS端子面层：Matte Tin (Sn)

LTC5542 数据手册

  
Electrical Specifications Subject to Change  
LTC5540  
0.6GHz to 1.3GHz  
High Dynamic Range  
Downconverting Mixer  
FEATURES  
DESCRIPTION  
The LTC®5540 is part of a family of high dynamic range  
passive downconverting mixers covering the 600MHz  
to 4GHz frequency range. The LTC5540 is optimized for  
0.6GHz to 1.3GHz RF applications. The LO frequency  
mustfallwithinthe0.7GHzto1.2GHzrangeforoptimum  
performance.AtypicalapplicationisaLTEorGSMreceiver  
with a 700MHz to 915MHz RF input and high-side LO.  
n
Conversion Gain: 7.9dB at 900MHz  
n
IIP3: 25.9dBm at 900MHz  
n
Noise Figure: 9.9dB at 900MHz  
n
17.7dB NF Under 5dBm Blocking  
n
High Input P1dB  
n
3.3V Supply, 640mW Power Consumption  
n
Shutdown Pin  
n
50Ω Single-Ended RF and LO Inputs  
The LTC5540 is designed for 3.3V operation, however; the  
IF amplifier can be powered by 5V for the highest P1dB.  
An integrated SPDT LO switch with fast switching accepts  
two active LO signals, while providing high isolation.  
n
LO Inputs 50Ω Matched when Shutdown  
n
High Isolation LO Switch  
0dBm LO Drive Level  
High LO-RF and LO-IF Isolation  
Small Solution Size  
n
n
n
The LTC5540’s high conversion gain and high dynamic  
range enable the use of lossy IF filters in high-selectivity  
receiver designs, while minimizing the total solution cost,  
board space and system-level variation.  
n
20-Lead (5mm × 5mm) QFN package  
APPLICATIONS  
n
Wireless Infrastructure Receivers  
High Dynamic Range Downconverting Mixer Family  
(LTE, GSM, CDMA)  
PART#  
RF RANGE  
LO RANGE  
n
High Dynamic Range Downmixer Applications  
LTC5540  
LTC5541  
LTC5542  
LTC5543  
600MHz –1.3GHz  
1.3GHz – 2.3GHz  
1.6GHz – 2.7GHz  
2.3GHz – 4GHz  
700MHz – 1.2GHz  
1.4GHz – 2.0GHz  
1.7GHz – 2.5GHz  
2.4GHz – 3.6GHz  
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear  
Technology Corporation. All other trademarks are the property of their respective owners.  
TYPICAL APPLICATION  
Wideband Receiver  
Wideband Conversion Gain, IIP3  
and NF vs RF Input Frequency  
190MHz  
SAW  
190MHz  
BPF  
1nF  
V
IF  
AMP  
CCIF  
1nF  
150nH  
16  
15  
28  
27  
ADC  
3.3V or 5V  
150nH  
22pF  
1μF  
14  
13  
12  
11  
10  
26  
25  
24  
23  
22  
+
–
1.5pF  
IF  
IF  
100pF  
C
T
IIP3  
T
= +25°C  
LO2  
LO1  
A
LTC5540  
SYNTH 2  
IF  
F
F
= 190MHz  
IF  
LO  
5.6pF  
= F + F  
RF  
IF  
RF  
700MHz  
TO  
RF  
NF  
ALTERNATE LO FOR  
FREQUENCY-HOPPING  
LNA  
LO  
IMAGE  
BPF  
915MHz  
9
8
7
21  
20  
19  
100pF  
G
C
SHDN  
BIAS  
SYNTH 1  
SHDN  
(0V/3.3V)  
V
V
V
CC3  
LOSEL  
CC2  
CC1  
LO  
1090MHz  
6
18  
600  
700  
800  
900  
1000  
V
CC  
3.3V  
LO SELECT  
(0V/3.3V)  
1μF  
RF FREQUENCY (MHz)  
22pF  
5540 TA01  
5540 TA01a  
5540p  
LINEAR TECHNOLOGY CONFIDENTIAL  
1
1

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