
Analog Devices
GENERAL DESCRIPTION
The AD8363 is a true rms responding power detector that can be directly driven with a single-ended 50 Ω source. This feature makes the AD8363 frequency versatile by eliminating the need for a balun or any other form of external input tuning for operation up to 6 GHz.
FEATURES
Accurate rms-to-dc conversion from 50 Hz to 6 GHz
Single-ended input dynamic range of >50 dB
No balun or external input tuning required
Waveform and modulation independent RF power detection
Linear-in-decibels output, scaled: 52 mV/dB
Log conformance error: <±0.15 dB
Temperature stability: <±0.5 dB
Voltage supply range: 4.5 V to 5.5 V
Operating temperature range: −40°C to +125°C
Power-down capability to 1.5 mW
Small footprint, 4 mm × 4 mm, LFCSP
APPLICATIONS
Power amplifier linearization/control loops
Multi-Standard, Multi-Carrier Wireless Infrastructure
(MCGSM, CDMA, WCDMA, TD-SCDMA, WiMAX, LTE)
Transmitter power control
Transmitter signal strength indication (TSSI)
RF instrumentation