DESCRIPTION
The LTC®5531 is an RF power detector for RF applications
operating in the 300MHz to 7GHz range. A temperature compensated Schottky diode peak detector and buffer amplifier are combined in a small ThinSOTTM package. The supply voltage range is optimized for operation from a single lithium-ion cell or 3xNiMH.

FEATURES
■ Temperature Compensated Internal Schottky Diode RF Detector
■ Wide Input Frequency Range: 300MHz to 7GHz*
■ Wide Input Power Range: –32dBm to 10dBm
■ Buffered Detector Output
■ Precision VOUT Offset Control
■ Wide VCC Range of 2.7V to 6V
■ Low Operating Current: 500µA
■ Low Shutdown Current: <2µA
■ Available in a Low Profile (1mm) SOT-23 Package

APPLICATIONS
■ 802.11a, 802.11b, 802.11g, 802.15, 802.16
■ Multimode Mobile Phone Products
■ Optical Data Links
■ Wireless Data Modems
■ Wireless and Cable Infrastructure
■ RF Power Alarm
■ Envelope Detector