DESCRIPTION
The LTC® 5533 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.

FEATURES
■ 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 VOUTStarting Voltage
■ Wide VCCRange of 2.7V to 6V
■ Low Operating Current: <500µA/Channel
■ Low Shutdown Current: <2µA/Channel
■ 4mm ×3mm DFN Package

APPLICATION
■ 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