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RF power detectors feature wide dynamic range and best-in-class accuracy

Mon, 12/16/2013 - 2:49pm

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Analog Devices introduced two RF power detectors with wide dynamic range and best-in-class accuracy and temperature stability. Designed with ADI’s leading detector expertise, the ADL5903 RF detector is an optimal solution for a variety of high-frequency systems requiring accurate measurement of signal power independent of waveform characteristics. The ADL5506 RF detector is a complete subsystem for the measurement of RF signals in a wide range of wireless terminal devices. Both detectors are offered in small packages with low-power operation, making them ideal for designs that are constrained by space or power.

ADL5903 Key Features:

  • Single-ended input dynamic range of 35 dB, 50 Ω source-compatible
  • Accurate RMS-to-DC conversion from 200 MHz to 6 GHz
  • Linear in decibels output, scaled 35.5 mV/dB at 900 MHz
  • Waveform and modulation independent

ADL5506 key features:

  • Typical dynamic range: 45 dBm to 0 dBm
  • Frequency range from 30 MHz to 4.5 GHz
  • Stable linear-in decibel response
  • Low power: 3.8mA @ 3 V (with < 1uA in Disable Mode)

Pricing, availability, packaging, and complementary products

Product

 

 

 

Samples

 

 

 

Production

 

 

 

Pricing Each Per 1,000

 

 

 

Package

ADL5903

 

 

 

Now

 

 

 

Now

 

 

 

$2.35

 

 

 

8-lead LFCSP

ADL5506

 

 

 

Now

 

 

 

Now

 

 

 

$1.27

 

 

 

6-ball WLCSP

The new RF detectors can be easily designed with a variety of analog-to-digital converters such as the AD7920 and AD7466 to digitize the measurement output, and the ADL5506 works well with the ADL5330 and ADL5331 VGAs for implementation of power control loops.


www.analog.com

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