Datasheet > LTC5582

LTC5582

更新时间： 2023-12-20 18:44:54

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
18页	1551K
描述
具 57dB 动态范围的 40MHz 至 10GHz RMS 功率检波器

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LTC5582 数据手册

LTC5582

40MHz to 10GHz

RMS Power Detector with

57dB Dynamic Range

FEATURES

DESCRIPTION

Frequency Range: 40MHz to 10GHz

The LTC®5582 is a 40MHz to 10GHz RMS responding

power detector. It is capable of accurate power measure-

ment of an AC signal with wide dynamic range, from

–60dBm to 2dBm 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,

independent of the crest factor of the input signal wave-

forms. The LTC5582 is suitable for precision RF power

measurement and level control for a wide variety of RF

standards, including LTE, WiMAX, W-CDMA, CDMA2000,

TD-SCDMA, and EDGE. The DC output is buffered with a

low output impedance amplifier capable of driving a high

capacitance load. Consult factory for more information.

The part is packaged in a 10-lead 3mm × 3mm DFN. It is

pin-to-pin compatible with the LT5570.

Linear Dynamic Range: Up to 57dB

Accurate RMS Power Measurement of High Crest

Factor Modulated Waveforms

Exceptional Accuracy Over Temperature: 0ꢀ5dB ꢁTyp)

Low Linearity Error within Dynamic Range

Single-Ended or Differential RF Inputs

Fast Response Time: 90ns Rise Time

Low Supply Current: 41.6mA at 3.3V (Typ)

Small 3mm × 3mm DFN10

AEC-Q100 Qualified for Automotive Applications

APPLICATIONS

RMS Power Measurement

PA Power Control

All registered trademarks and trademarks are the property of their respective owners. Protected

by U.S. patents, including 7262661, 7317357, 7622981.

Receive and Transmit Gain Control

LTE, WiMAX, W-CDMA, CDMA2K, TD-SCDMA,

EDGE Basestations

Point-to-Point Microwave Links

RF Instrumentation

TYPICAL APPLICATION

Linearity Error vs RF Input Power

2140MHz Modulated Waveforms

40MHz to 6GHz RMS Power Detector

ꢔ

ꢅ

ꢛ ꢕꢐꢜC

3.3V

ꢕ

ꢗ

100nF

1µF

1nF

FLTR

RT1

RT2

ENABLE

LTC5582

270pF

68Ω

1nF

DEC

ꢖ

–

ꢎꢗ

ꢎꢕ

ꢎꢔ

GND

OUT

5582 TA01a

ꢘꢝCꢒRRꢁꢈR ꢇCꢞꢟꢒ

Cꢇ

ꢔꢝCꢒRRꢁꢈR Cꢞꢟꢒꢕꢠ

ꢎꢏꢐ ꢎꢐꢐ ꢎꢘꢐ ꢎꢔꢐ ꢎꢕꢐ ꢎꢗꢐ ꢎꢐ

Rꢀ ꢁꢂꢃꢄꢅ ꢃꢆꢇꢈR ꢉꢊꢋꢌꢍ

ꢐ

ꢐꢐꢙꢕ ꢅꢒꢆꢗꢚ

Rev. C

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