Description
www.DataSheet4U.com LMV225/LMV226/LMV228 RF Power Detector for CDMA and WCDMA March 2005 LMV225/LMV226/LMV228 RF Power Detector for CDMA and WCDMA .
The LMV225/LMV226/LMV228 are 30 dB RF power detectors intended for use in CDMA and WCDMA applications.
Features
* n n n n n n 30 dB linear in dB power detection range Output voltage range 0.2 to 2V Logic low shutdown Multi-band operation from 450 MHz to 2000 MHz Accurate temperature compensation Packages:
* micro SMD package 1.0 mm x 1.0 mm x 0.6 mm
* LLP package 2.2 mm x 2.5 mm x 0.8 mm (LMV225
Applications
* The device has an RF frequency range from 450 MHz to 2 GHz. It provides an accurate temperature and supply compensated output voltage that relates linearly to the RF input power in dBm. The circuit operates with a single supply from 2.7V to 5.5V. The LMV225/LMV226/LMV228 have an integrated filter f