PRODUCT DESCRIPTION
The AD8314 is a complete low-cost subsystem for the measurement and control of RF signals in the frequency range 0.1 GHz–2.5 GHz, with a typical dynamic range of 45 dB, intended for use in a wide variety of cellular handsets and other wireless devices. It provides a wider dynamic range and better accuracy than possible using discrete diode detectors. In particular, its temperature stability is excellent over the full operating range of –30°C to +85°C.
Its high sensitivity allows control at low power levels, thus reducing the amount of power that needs to be coupled to the detector. It is essentially a voltage-responding device, with a typical signal range of 1.25 mV to 224 mV rms or –58 dBV to –13 dBV. This is equivalent to –45 dBm to 0 dBm re 50 Ω.

FEATURES
   Complete RF Detector/Controller Function
   Typical Range –58 dBV to –13 dBV
      –45 dBm to 0 dBm re 50 Ω
   Frequency Response from 100 MHz to 2.5 GHz
   Temperature-Stable Linear-in-dB Response
      Accurate to 2.5 GHz
   Rapid Response: 70 ns to a 10 dB Step
   Low Power: 12 mW at 2.7 V
   Power-Down to 20 μA
  
APPLICATIONS
   Cellular Handsets (TDMA, CDMA, GSM)
   RSSI and TSSI for Wireless Terminal Devices
   Transmitter Power Measurement and Control