MAX2209A

RF Power Detector with Shutdown Control

Industry's Smallest Power Detector Is Now Faster and Power Efficient

Data Sheet (Rev. 0)
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Overview

  • -25dBm to -5dBm Power Detection Range
  • ±0.5dB Detection Error Due to Temperature
  • +2.7V to +5V Single-Supply Operation
  • Space-Saving 4-Bump, 1mm² UCSP Package
  • Shutdown Control
  • 140ns Step-Response Time

The MAX2209A is a wideband (800MHz to 2GHz) RF power detector. It takes an RF signal from the directional coupler at the input, and outputs a DC voltage proportional to the RF peak voltage. The change in output voltage versus temperature is very repeatable from part to part and enables a lookup table based on nominal behavior, minimizing the effective detection error to less than ±0.5dB relative to room temperature.

The MAX2209A comes in a space-saving 2 x 2, 0.5mm pitch UCSP™.

Applications

  • Dual-Band WCDMA Handsets
  • High-Speed Downlink Packet Access (HSDPA)
  • High-Speed Uplink Packet Access (HSUPA)
MAX2209A
RF Power Detector with Shutdown Control
MAX2209A: Functional Diagram/Typical Operating Circuit
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Documentation

Data Sheet 1

Technical Articles 1

Evaluation Design File 2

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
RF Power Detectors 1
MAX2209
RF Power Detector
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Tools & Simulations

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