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LT5504EMS8 PDF预览

LT5504EMS8

更新时间: 2024-01-15 21:47:14
品牌 Logo 应用领域
凌特 - Linear 电信集成电路电信电路光电二极管接收机
页数 文件大小 规格书
9页 220K
描述
800MHz to 2.7GHz RF Measuring Receiver

LT5504EMS8 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:PLASTIC, MSOP-8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.29JESD-30 代码:S-PDSO-G8
JESD-609代码:e0长度:3 mm
湿度敏感等级:1功能数量:1
端子数量:8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:TSSOP封装形状:SQUARE
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):235
认证状态:Not Qualified座面最大高度:1.1 mm
标称供电电压:3 V表面贴装:YES
电信集成电路类型:TELECOM CIRCUIT温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:20宽度:3 mm

LT5504EMS8 数据手册

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Final Electrical Specifications  
LT5504  
800MHz to 2.7GHz  
RF Measuring Receiver  
January 2002  
U
DESCRIPTIO  
FEATURES  
The LT®5504 is an 800MHz to 2700MHz monolithic inte-  
grated measuring receiver, capable of detecting a wide  
dynamic range RF signal from –75dBm to +5dBm. The  
logarithm of the RF signal is precisely converted into a  
linear DC voltage. The LT5504 consists of RF/IF limiters,  
an LO buffer amplifier, a limiting mixer, a 3rd-order  
450MHz integrated low pass filter, RF/IF detectors and an  
output interface. The ultrawide dynamic range is achieved  
by simultaneously measuring the RF signal and a down-  
converted IF signal obtained using the on-chip mixer and  
an external local oscillator. The RF- and IF-detected sig-  
nalsaresummedtogenerateanaccuratelinearDCvoltage  
proportional to the input RF voltage (or power) in dB. The  
output is buffered with a low output impedance driver.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
RF Frequency Range: 800MHz to 2.7GHz  
Ultra Wide Dynamic Range: 80dB Over Full  
Frequency Range and Over Temperature  
Wide Power Supply Range: 2.7V to 5.25V  
Low Supply Current: 14.7mA at 3V  
Shutdown Current: 0.2µA  
8-Lead MS0P Package  
U
APPLICATIO S  
RSSI Measurements  
Receive AGC  
Transmit Power Control  
ASK and Envelope Demodulation  
GSM/TDMA/CDMA/WCDMA  
U
TYPICAL APPLICATIO  
3V  
C2  
1nF  
C1  
100pF  
Output Voltage and Slope  
Variation vs RF Input Power  
V
CC  
LT5504  
6
4
2.4  
2.0  
1.6  
1.2  
0.8  
0.4  
0
f
f
= 900MHz  
= 240MHz  
RF  
IF  
AVERAGE SLOPE:23mV/dB  
OUTPUT  
V
OUT  
2
R2  
200  
0
C3  
10pF  
RF  
IF  
IF  
DETECTOR  
RF  
INPUT  
• • •  
+
DETECTOR  
DETECTOR  
RF  
–2  
–4  
–6  
R1  
82Ω  
RF  
LO  
LO  
INPUT  
ENABLE  
EN  
–80 –70 –60 –50 –40 –30 –20 –10  
PIN (dBm)  
0
10  
5504 TA01a  
GND  
5504 TA01b  
5504i  
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.  
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-  
tationthattheinterconnectionofitscircuitsasdescribedhereinwillnotinfringeonexistingpatentrights.  
1

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