AD8315 Datasheet | Analog Devices

Data Sheet 50 dB GSM PA Controller AD8315 Features plete RF detector/controller function >50 dB range at 0.9 GHz (- 49 dBm to +2 dBm, re 50 Ω) Accurate scaling from 0.1 GHz to 2.5 GHz Temperature-stable linear-in-dB response Log slope of 23 mV/dB, intercept at - 60 dBm at 0.9 GHz True integration function in control loop Low power: 20 mW at 2.7 V, 38 mW at 5 V Power-down to 10.8 μW APPLICATIONS Single, dual, and triple band mobile handset (GSM, DCS, EDGE) Transmitter power control GENERAL DESCRIPTION The AD8315 is a plete low cost subsystem for the precise control of RF power amplifiers operating in the frequency range 0.1 GHz to 2.5 GHz and over a typical dynamic range of 50 dB. It...