LMV225 Datasheet (National Semiconductor) - (LMV225

LMV225, (LMV225 - LMV228) RF Power Detector

The LMV225/LMV226/LMV228 are 30 dB RF power detectors intended for use in CDMA and WCDMA 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

LMV225 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