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LT5570IDD-TRPBF PDF预览

LT5570IDD-TRPBF

更新时间: 2024-02-18 10:23:28
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
16页 259K
描述
Fast Responding, 40MHz to 2.7GHz Mean-Squared Power Detector

LT5570IDD-TRPBF 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Active包装说明:HVSON,
针数:10Reach Compliance Code:compliant
风险等级:5.16JESD-30 代码:S-PDSO-N10
JESD-609代码:e3长度:3 mm
湿度敏感等级:1功能数量:1
端子数量:10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:HVSON封装形状:SQUARE
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:0.8 mm
标称供电电压:5 V表面贴装:YES
电信集成电路类型:RF AND BASEBAND CIRCUIT温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)端子形式:NO LEAD
端子节距:0.5 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:3 mm
Base Number Matches:1

LT5570IDD-TRPBF 数据手册

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LT5570  
Fast Responding, 40MHz  
to 2.7GHz Mean-Squared  
Power Detector  
FEATURES  
DESCRIPTION  
TheLT®5570isa40MHzto2.7GHzmonolithicLogarithmic  
Mean-Squared RF power detector. It is capable of RMS  
measurement of an AC signal with wide dynamic range,  
from –52dBm to 13dBm depending on frequency. The  
power of the AC signal in an equivalent decibel-scaled  
value is precisely converted into DC voltage on a linear  
scale,independentofthecrestfactorofthewaveforms.The  
LT5570issuitableforprecisionRFpowermeasurementand  
level control for a wide variety of RF standards, including  
CDMA, W-CDMA, CDMA2000, TD-SCDMA and WiMAX.  
The DC output is buffered with a low output impedance  
amplifier capable of driving a high capacitance load.  
n
Frequency Range: 40MHz to 2.7GHz  
n
Accurate RMS Power Measurement of High Crest  
Factor Modulated Waveforms  
n
Linear DC Output vs Input Power in dBm  
n
Linear Dynamic Range: Up to 60dB  
n
Exceptional Accuracy over Temperature: 0.ꢀdB  
n
Fast Response Time: 0.5μs Rise Time,  
8μs Fall Time  
Low Supply Current: 26.5mA  
n
n
Low Impedance Output Buffer Capable of Driving  
High Capacitance Load  
n
Small 3mm × 3mm 10-Lead DFN Package  
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
Protected by U.S. Patents including 7262661, 7259620, 7268608.  
APPLICATIONS  
n
RMS Power Measurement  
n
RF Power Control  
n
Receive and Transmit Gain Control  
W-CDMA, CDMA2000, TD-SCDMA, WiMAX  
n
n
RF Instrumentation  
TYPICAL APPLICATION  
40MHz to 2.7GHz Mean-Squared Power Detector  
Output Voltage, Linearity Error vs Input Power, 25°C (2140 MHz)  
2.4  
2.0  
1.6  
1.2  
3
2
1
0
5V  
22nF  
1MF  
1nF  
1
2
10  
9
RF  
INPUT  
V
FLTR  
EN  
CC  
1:4  
+
ENABLE  
IN  
3
4
8
7
NC  
DEC  
LT5570  
DNC  
DNC  
IN  
0.8  
0.4  
0
–1  
–2  
–3  
5
6
GND  
OUT  
V
OUT  
CW  
4CH WCDMA  
3CH CDMA2000  
5570 TA01a  
–15  
RF INPUT POWER (dBm)  
5
15  
–45  
–35  
–25  
–5  
5570 TA01b  
5570f  
1

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