MAX2203

PRE-RELEASE

RMS Power Detector

Industry's Most Accurate RMS Power Detector over Input Power Range, Regardless of Modulation

Data Sheet (Rev. 0) Product Selection Table
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Overview

  • -24dBm to +3dBm Power-Detection Range
  • 35mV/dB (typ) Log Detector
  • 0.1dB (typ) RMS Accuracy from WCDMA Modulation Change
  • ±0.4dB Detection Error Due to Temperature
  • +2.5V to +4.2V Single-Supply Operation
  • Space-Saving 6-Bump WLP Package

The MAX2203 RMS power detector is designed to operate from 800MHz to 2.0GHz. The device is ideal for wideband code-division multiple access (WCDMA), cdma2000®, and high-speed downlink/uplink packet access. The MAX2203 accepts an RF signal at the input and outputs the same voltage regardless of the peak-average of the input signal. The output voltage and input power is linear in dB. The device has a -24dBm to +3dBm detection range, and every dB change in input power gives 35mV (typ) change in output voltage.

The MAX2203 operates from a 2.5V to 4.2V supply and is specified over the -40°C to +85°C extended temperature range. The device is available in a 6-bump WLP package.

Applications

  • High-Speed Downlink Packet Access (HSDPA)
  • High-Speed Uplink Packet Access (HSUPA)
  • WCDMA, cdma2000, 1xEVDO
MAX2203
RMS Power Detector
MAX2203: Typical Operating Circuit
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Documentation

Data Sheet 1

Design Note 1

Technical Articles 1

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
RF Power Detectors 6
MAX2207
PRE-RELEASE RF Power Detectors in UCSP
MAX2205
PRE-RELEASE RF Power Detectors in UCSP
MAX2208
PRE-RELEASE RF Power Detectors in UCSP
MAX2204
PRODUCTION RF Power Detector
MAX2206
PRE-RELEASE RF Power Detectors in UCSP
MAX2209
PRE-RELEASE RF Power Detector
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