
Linear Technology
DESCRIPTION
The LTC®5505-X is an RF power detector for RF applications operating in the 300MHz to 3.5GHz range. A temperature compensated Schottky diode peak detector and buffer amplifier are combined in a small 5-pin ThinSOT package. The supply voltage range is optimized for operation from a single lithium-ion cell or 3xNiMH.
FEATURES
■ Internal Schottky Diode RF Detector with Two Input Power Ranges:
LTC5505-1, –28dBm to 18dBm
LTC5505-2, –32dBm to 12dBm
■ Wide Input Frequency Range: 300MHz to 3GHz
(LTC5505-1); 300MHz to 3.5GHz (LTC5505-2)
■ Temperature Compensated
■ Buffered Detector Output
■ Wide VCC Range of 2.7V to 6V
■ Low Operating Current: 0.5mA
■ Low Shutdown Current: <2µA
■ Low Profile (1mm) ThinSOTTM Package
APPLICATIONS
■ Multimode Mobile Phone Products
■ PCS Devices
■ Wireless Data Modems
■ Wireless and Cable Infrastructure
■ RF Power Alarm
■ Envelope Detector