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LTC5536 PDF预览

LTC5536

更新时间: 2023-12-20 18:46:21
品牌 Logo 应用领域
亚德诺 - ADI 比较器
页数 文件大小 规格书
12页 165K
描述
具快速比较器输出的 600MHz 至 7GHz 精准型 RF 检波器

LTC5536 数据手册

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LTC5536  
600MHz to 7GHz  
Precision RF Detector with  
Fast Comparator Output  
U
FEATURES  
DESCRIPTIO  
The LTC®5536 is an RF power detector for RF applications  
operating in the 600MHz to 7GHz range. A temperature  
compensated Schottky diode peak detector and fast com-  
parator are combined in a small ThinSOTTM package. The  
supply voltage range is optimized for operation from a  
single cell lithium-ion or three cell NiMH battery.  
Temperature Compensated Internal Schottky  
Diode RF Detector  
Wide Input Frequency Range: 600MHz to 7GHz*  
Wide Input Power Range: –26dBm to 12dBm  
Fast Comparator Output with Latch Enable  
25ns Response Time with 0dBm RF Input Level  
Rail-to-Rail Output Swing  
The RF input voltage is peak detected using an on-chip  
Schottky diode. The detected voltage is compared against  
a reference voltage at VM.  
Comparator Output Current: ±20mA  
Wide VCC Range of 2.7V to 5.5V  
Low Operating Current: 2mA  
TheresponsetimefromtheRFinputtoVOUT canbeaslittle  
as 20ns. The comparator output is latched when LEN is  
high or is transparent when LEN is low.  
Available in a Low Profile (1mm) SOT-23 Package  
U
APPLICATIO S  
The LTC5536 operates with RF input power levels from  
–26dBm to 12dBm.  
RF Signal Presence Detectors for:  
802.11a, 802.11b, 802.11g, 802.15  
Optical Data Links  
Wireless Data Modems  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
ThinSOT is a trademark of Linear Technology Corporation.  
*Operation at higher frequencies is possible with reduced performance.  
Wireless and Cable Infrastructure  
RF Power Alarm  
Envelope Detector  
RF ID Tag Reader  
U
TYPICAL APPLICATIO  
VM Comparator Switching Voltage  
vs RF Input Power, 600MHz – 7GHz  
3200  
V
V
T
= 3.6V  
= 0V  
600MHz  
CC  
LEN  
600MHz to 7GHz RF Power Detector  
1000MHz  
2000MHz  
3000MHz  
4000MHz  
5000MHz  
6000MHz  
7000MHz  
2800  
2400  
2000  
1600  
1200  
800  
= 25°C  
A
33pF  
LTC5536  
1
2
3
6
5
4
RF  
INPUT  
V
RF  
CC  
V
CC  
IN  
100pF  
0.1µF  
GND  
V
OUT  
V
M
V
DISABLE ENABLE  
LEN  
M
REFERENCE  
400  
5536 TA01  
0
–28 –24 –20 –16 –12 –8 –4  
0
4
8
12  
INPUT RF POWER (dBm)  
5536 TA01b  
5536f  
1

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