AD8314 RF Detector / Controller, 100 MHz TO 2.7 GHz, 45 dB

The AD8314 is a complete low cost subsystem for the measurement and control of RF signals in the frequency range of 100 MHz to 2.7 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 -40°C to +85°C.

The AD8314 is available in 8-lead MSOP and 8-lead LFCSP packages and consumes 4.5 mA from a 2.7 V to 5.5 V supply. When powered down, the typical sleep current is 20 µA.

An evaluation board is available for this product and may be ordered using the following product number: AD8314-EVAL. Schematic and layout for this evaluation board is contained in the product datasheet.

Features and Benefits
  • 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 2.7 GHz
  • Rapid response: 70 ns to a 10 dB step
  • Temperature-stable linear-in-dB response
    Accurate to 2.7 GHz
  • Low power: 12 mW at 2.7 V
  • Power-down to 20 µA
    • RF & Microwave
    Data Sheets
    Documentnote
    AD8314: 100 MHz to 2.7 GHz, 45 dB RF Detector/ Controller Data Sheet (Rev. B)PDF 485 kB
    Application Notes
    Documentnote
    AN-1040: RF Power Calibration Improves Performance of Wireless Transmitters (Rev. 0)PDF 152 kB
    AN-653: Improving Temperature, Stability, and Linearity of High Dynamic Range RMS RF Power Detectors (Rev. A)PDF 415 kB
    Frequently Asked Questions
    Documentnote
    What is an RF Detector, and how is it used?PDF 344.98 K
    Product Highlight
    Documentnote
    Order Information
    Part NumberPackagePacking QtyTemp RangePrice 100-499Price 1000+RoHS
    AD8314ACPZ-RL7 Production8 ld LFCSP (2x3x.85mm)REEL 3000-40 to 85C01.1Y
    AD8314ARM Production8 ld MSOPOTH 50-40 to 85C5.64.66N
    AD8314ARM-REEL7 Production8 ld MSOPREEL 1000-40 to 85C04.66N
    AD8314ARMZ Production8 ld MSOPOTH 50-40 to 85C4.84Y
    AD8314ARMZ-REEL Production8 ld MSOPREEL 3000-40 to 85C04Y
    AD8314ARMZ-REEL7 Production8 ld MSOPREEL 1000-40 to 85C04Y
    Evaluation Boards
    Part NumberDescriptionPriceRoHS
    AD8314ACP-EVALEvaluation Board100.19N
    AD8314ACP-EVALZEvaluation Board100.19Y
    AD8314-EVALEvaluation Board100.19N
    Reference Materials
    AD8314: 100 MHz to 2.7 GHz, 45 dB RF Detector/ Controller Data Sheet (Rev B, 05/2006) AD8314
    AD8314: 100 MHz to 2.7 GHz, 45 dB RF Detector/ Controller Data Sheet (Rev. B) ad8314
    AN-1040: RF Power Calibration Improves Performance of Wireless Transmitters (Rev. 0) ad8307
    AN-653: Improving Temperature, Stability, and Linearity of High Dynamic Range RMS RF Power Detectors (Rev. A) ad8314
    AN-653: 改善高动态范围均方根射频功率检波器的温度稳定性和线性度 (Rev. A) ad8314
    AN-1040: RF功率校准提高无线发射机的性能 (Rev. 0) ad8307
    What is an RF Detector, and how is it used? ad8310
    Design and Operation of Automatic Gain Control Loops for Receivers in Modern... ad8369
    RF Source Booklet adf9010
    Measurement and Control of RF Power, Part I ad640
    Measurement and Control of RF Power, Part II ad640
    Measurement and Control of RF Power, Part III ad640
    Log Amps and Directional Couplers Enable VSWR Detection ad640
    Measuring VSWR and Gain in Wireless Systems ad640
    Measuring the RF Power in CDMA2000 and W-CDMA High Power Amplifiers (HPAs) ad640
    Detecting Fast RF Bursts using Log Amps ad640
    Make Precise Base-Station Power Measurements ad640
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