MAX2203

RMS Power Detector

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

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Active: In Production.

Description

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.
 

Data Sheet

Download this datasheet in PDF formatDownload Rev 0 (PDF, 912kB)
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Key Features

  • -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
 

Applications/Uses

  • High-Speed Downlink Packet Access (HSDPA)
  • High-Speed Uplink Packet Access (HSUPA)
  • WCDMA, cdma2000, 1xEVDO
   

Key Specifications:

RF Power Detectors
Part Number Detector Type Dynamic Range
(dB)
VCC
(V)
ISUPPLY
(mA)
RF Freq.
(MHz)
RF Freq.
(MHz)
PRF
(dBm)
Footprint
(mm x mm)
Oper. Temp.
(°C)
Package/Pins Smallest Available Pckg.
(mm2)
Budgetary Price
min max 50Ω Term max w/pins See Notes
MAX2203  RMS 27 2.5 to 4.2 5 800 2000 -24 to +3 1.27 x 0.87 -40 to +85
WLP/6
1.3 $0.52 @1k
See All RF Power Detectors (19)
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.


Diagram

MAX2203: Typical Operating Circuit
Typical Operating Circuit

More Information

Topmark Coding MAX2203
New Product Press Release 2010-02-10 ]

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Document Ref.: 19-4982 Rev 0; 2009-11-24
This page last modified: 2009-11-25




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