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LT5537EDDB#TR PDF预览

LT5537EDDB#TR

更新时间: 2024-11-11 19:35:07
品牌 Logo 应用领域
凌特 - Linear 射频微波
页数 文件大小 规格书
16页 283K
描述
LT5537 - Wide Dynamic Range RF/IF Log Detector; Package: DFN; Pins: 8; Temperature Range: -40°C to 85°C

LT5537EDDB#TR 技术参数

是否Rohs认证: 不符合生命周期:Transferred
零件包装代码:DFN包装说明:3 X 2 MM, PLASTIC, MO-229, DFN-8
针数:8Reach Compliance Code:not_compliant
ECCN代码:EAR99风险等级:5.19
特性阻抗:50 Ω构造:COMPONENT
最大输入功率 (CW):22 dBmJESD-609代码:e0
最大工作频率:1000 MHz最小工作频率:10 MHz
最高工作温度:85 °C最低工作温度:-40 °C
射频/微波设备类型:LINEAR DETECTOR端子面层:Tin/Lead (Sn/Pb)
Base Number Matches:1

LT5537EDDB#TR 数据手册

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LT5537  
Wide Dynamic Range  
RF/IF Log Detector  
U
FEATURES  
DESCRIPTIO  
The LT®5537 is a wide dynamic range RF/IF detector,  
operational from below 10MHz to 1000MHz. The lower  
limit of the operating frequency range can be extended to  
near DC by the use of an external capacitor. The input  
dynamic range at 200MHz with ±3dB nonlinearity is 90dB  
(from –76dBm to 14dBm, single-ended 50input). The  
detector output voltage slope is nominally 20mV/dB, and  
thetypicaltemperaturecoefficientis0.01dB/°Cat200MHz.  
Low Frequency to 1000MHz Operation  
83dB Dynamic Range with ±1dB Nonlinearity  
at 200MHz  
Sensitivity –76dBm or Better at 200MHz  
Log-Linear Transfer Slope of 20mV/dB  
Supply Voltage Range: 2.7V to 5.25V  
Supply Current: 13.5mA at 3V  
Tiny 8-Lead (3mm × 2mm) DFN Package  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
U
APPLICATIO S  
Linear-to-Log Signal Level Conversion  
Received Signal Strength Indication (RSSI)  
RF Power Control  
RF/IF Power Detection  
Receiver RF/IF Gain Control  
Envelope Detection  
ASK Receiver  
U
TYPICAL APPLICATIO  
OPTIONAL  
4
5
Output Voltage, Linearity Error  
vs Input Power at 200MHz  
+
CAP  
CAP  
7k  
7k  
2.4  
3
V
CC  
OFFSET  
CANCELLATION  
2.0  
2
6
85°C  
15nF  
15nF  
1nF  
1µF  
+
RF IN  
IN  
IN  
25°C  
2
3
1.6  
1.2  
1
0
–40°C  
0.8  
0.4  
0
–1  
–2  
–3  
OUT  
7.2k  
OUTPUT  
BUFFER  
8
7
DETECTOR CELLS  
V
= ENBL = 3V  
CC  
V
EE  
–80  
–60  
–40  
–20  
0
20  
ENBL  
INPUT POWER (dBm)  
BANDGAP REFERENCE  
AND BIASING  
1
5537 TA01b  
EXPOSED PAD  
9
5537 TA01a  
5537fa  
1

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