Datasheet > LTC5505-2

LTC5505-2

更新时间： 2024-09-16 03:59:59

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
8页	144K
描述
RF Power Detector with Buffered Output and >40dB Dynamic Range

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中文翻译

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数据手册

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LTC5505-2 数据手册

LTC5505-1/LTC5505-2

RF Power Detector

with Buffered Output and >40dB

Dynamic Range

DESCRIPTIO

FEATURES

The LTC^®5505-X is an RF power detector for RF applica-

tions operating in the 300MHz to 3.5GHz range. A tem-

perature compensated Schottky diode peak detector and

buffer amplifier are combined in a small 5-pin ThinSOT

package. The supply voltage range is optimized for opera-

tion from a single lithium-ion cell or 3xNiMH.

■

Internal Schottky Diode RF Detector with Two Input

Power Ranges:

LTC5505-1, –28dBm to 18dBm

LTC5505-2, –32dBm to 12dBm

Wide Input Frequency Range: 300MHz to 3GHz

(LTC5505-1); 300MHz to 3.5GHz (LTC5505-2)

Temperature Compensated

■

The RF input voltage is peak detected using an on-chip

Schottky diode. The detected voltage is buffered and

supplied to the V_OUTpin. A power saving shutdown mode

reduces supply current to less than 2µA.

Buffered Detector Output

Wide V_CCRange of 2.7V to 6V

Low Operating Current: 0.5mA

Low Shutdown Current: <2µA

Low Profile (1mm) ThinSOT^TMPackage

The LTC5505-1 operates with input power levels from

–28dBm to 18dBm. The LTC5505-2 operates with input

power levels from –32dBm to 12dBm.

APPLICATIO S

, LTC and LT are registered trademarks of Linear Technology Corporation.

ThinSOT is a trademark of Linear Technology Corporation

■

Multimode Mobile Phone Products

■

PCS Devices

■

Wireless Data Modems

Wireless and Cable Infrastructure

RF Power Alarm

Envelope Detector

■

TYPICAL APPLICATIO

Dual Band Mobile Phone Tx Power Control

0.3pF

100Ω

LTC5505-X

Tx PA MODULE

CELL BAND

DIPLEXER

0.1µF

Li-Ion

GND

OUT

DISABLE ENABLE

SHDN

PCS BAND

MOBILE PHONE

DSP

5505 TA01

BSE

5505f

12 3 4 5 6 7 8

中文翻译

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