ADL5502ACBZ

GENERAL DESCRIPTION

The ADL5502 is a mean-responding power detector in combination with an envelope detector to accurately determine the crest factor of a modulated signal. It can be used in high frequency receiver and transmitter signal chains from 800 MHz to 3.8 GHz with envelope bandwidths over 10 MHz. Requiring only a single supply between 2.7 V and 3.5 V, the detector draws less than 5 mA. The input is internally ac-coupled and has a nominal input impedance of 500 Ω.

FEATURES

True rms response detector
Envelope output with peak hold option
Excellent temperature stability
±0.25 dB rms detection accuracy vs. temperature
±0.25 dB envelope detection accuracy vs. temperature;
over the top 15 dB of the input range
Over 30 dB input power dynamic range, inclusive of crest
factor, up to 3.8 GHz
RF bandwidths from 800 MHz to 3.8 GHz
Envelope bandwidths of 10 MHz
500 Ω input impedance
Single-supply operation: 2.7 V to 3.5 V
Low power: 5 mA at 3 V supply
RoHS compliant

APPLICATIONS

Power and envelope measurement of W-CDMA, CDMA2000,
and QPSK-/QAM-based OFDM, and other complex
modulation waveforms
RF transmitter or receiver power and envelope measurement