HomedatasheetAD8315ARM-REEL

AD8315ARM-REEL Datasheet

50 dB GSM PA Controller
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Description

GENERAL DESCRIPTION
The AD8315 is a complete 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 is intended for use in cellular handsets and other battery operated wireless devices. The log amp technique provides a much wider measurement range and better accuracy than controllers using diode detectors. In particular, its temperature stability is excellent over a specified range of −30°C to +85°C.

FEATURES
   Complete 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

Features

Parameters

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Manufacturer information

ANALOG DEVICES

Analog Devices, Inc. Introduction - Analog Devices, Inc. (NASDAQ: ADI) defines innovation and excellence in signal processing. ADI's analog, mixed-signal, and digital signal processing (DSP) integrated circuits (IC) play a fundamental role in converting, conditioning, and processing real-world phenomena such as light, sound, temperature, motion, and pressure into electrical signals to be used in a wide array of electronic equipment. ADI is synonymous with high performance among electronics manufacturers and we collaborate with our customers to define the very best in the quality of the user experience. That means the clearest image, crispest sound, and optimum interface, size and performance in thousands of entertainment, medical, communications, industrial and other applications.


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