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