LTC5507

` Temperature Compensated Internal Schottky Diode RF Detector
` Wide Input Power Range: 34dBm to 14dBm
` Ultra Wide Input Frequency Range: 100kHz to 1000MHz
` Buffered Output
` Wide V<sub>CC</sub> Range of 2.7V to 6V
` Low Operating Current: 550A
` Low Shutdown Current: <2A
` Low Profile (1mm) ThinSOT^TM Package

· Wireless Transceivers
· Wireless and Cable Infrastructure
· RF Power Alarm
· Envelope Detector

V_CC, V_OUT to GND ....................................... 0.3V to 6.5V
RF_IN Voltage to GND ............................ (V_CC ± 1.8V) to 7V
SHDN Voltage to GND ..................... 0.3V to (V_CC + 0.3V)
PCAP Voltage to GND ............................(V_CC 1.8V) to 7V
I_VOUT ............................................................................ 5mA
Operating Temperature Range (Note 2) .. 40°C to 85°C
Maximum Junction Temperature ............................... 125°C
Storage Temperature Range ................. 65°C to 150°C
Lead Temperature (Soldering, 10 sec)...................... 300°C

The LTC^®5507 is an RF power detector for applications operating from 100kHz to 1000MHz. The input frequency range is determined by an external capacitor. A temperature- compensated Schottky diode peak detector and buffer amplifier are combined in a small 6-pin ThinSOT package.

The RF input voltage is peak detected using an on-chip Schottky diode and external capacitor. The detected voltage is buffered and supplied to the V_OUT pin. A power saving shutdown mode reduces supply current to less than 2A.