LTC5533

PRODUCTION

300MHz to 11GHz Precision Dual RF Power Detector

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Overview

  • Two Independent Temperature Compensated Schottky Diode RF Peak Detectors
  • 45dB Channel-to-Channel Isolation at 2GHz
  • Wide Input Frequency Range: 300MHz to 11GHz*
  • Wide Input Power Range: -32dBm to 12dBm
  • Buffered Detector Outputs with Gain of 2x
  • Adjustable VOUT Starting Voltage
  • Wide VCC Range of 2.7V to 6V
  • Low Operating Current: <500µA/Channel
  • Low Shutdown Current: <2µA/Channel
  • 4mm × 3mm DFN Package

The LTC5533 is a dual channel RF power detector for RF applications operating in the 300MHz to 11GHz range. Two independent temperature compensated Schottky diode peak detectors and buffer amplifiers are combined in a small 4mm × 3mm DFN package.

The RF input voltage is peak detected using on-chip Schottky diodes. The detected voltage is buffered and supplied to the VOUT pins. A power saving shutdown mode reduces current to less than 2µA/channel. The initial output starting voltages can be precisely adjusted using the VOS pins.

The LTC5533 operates with input power levels from -32dBm to 12dBm.

*Higher frequency operation is achievable with reduced performance. Consult factory for more information.

Applications

  • PA Forward and Reverse Power Monitor
  • Dual PA Transmit Power Control
  • 802.11a, b, g, 802.15, WiMAX
  • PA Linearization
  • Fixed Wireless Access
  • RF Power Alarm
  • Envelope Detector

LTC5533
300MHz to 11GHz Precision Dual RF Power Detector
300MHz to 11GHz RF Power Detectors Output Voltage vs RF Input Power Product Package 1
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Documentation

Data Sheet

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
RF Power Detectors 2
LTC5564 PRODUCTION UltraFast 7ns Response Time 15GHz RF Power Detector with Comparator
LTC5583 PRODUCTION Matched Dual-Channel 6GHz RMS Power Detector
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Evaluation Kits

eval board
DC821A

LTC5533EDE | Dual RF Power Detector, 300MHz to 11GHz

Product Details

DC821A: Demo Board for the LTC5533 300MHz to 11GHz Precision Dual RF Power Detector.

DC821A
LTC5533EDE | Dual RF Power Detector, 300MHz to 11GHz
DC821A - Schematic

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