GENERAL DESCRIPTION

The ADL5511 is an RF envelope and TruPwr™ rms detector. The envelope output voltage is presented as a voltage that is proportional to the envelope of the input signal. The rms output voltage is independent of the peak-to-average ratio of the input signal.

FEATURES

Envelope tracking RF detector with output proportional to

input voltage

Separate TruPwr rms output

No balun or external tuning required

Excellent temperature stability

Input power dynamic range of 47 dB

Input frequency range from dc to 6 GHz

130 MHz envelope bandwidth

Envelope delay: 2 ns

Single-supply operation: 4.75 V to 5.25 V

Supply current: 21.5 mA

Power-down mode: 130 μW

APPLICATIONS

RMS power and envelope detection of W-CDMA, CDMA2000,

LTE, and other complex waveforms

Drain modulation based power amplifier linearization

Power amplifier linearization employing envelope-tracking

methods