AD8309

Log Detector by Analog Devices

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The AD8309 from Analog Devices is a Log Detector with Dynamic Range 100 dB, Frequency 5 to 400 MHz, Input Power -65 to 22 dBm, Logarithmic Slope 18 to 23 mV/dB, Output Resistance 0.3 Ohms. Tags: Surface Mount. More details for AD8309 can be seen below.

Product Specifications

Product Details

  • Part Number
    AD8309
  • Manufacturer
    Analog Devices
  • Description
    5 MHz–500 MHz 100 dB DemodulatingLogarithmic Amplifier with Limiter Output

General Parameters

  • Dynamic Range
    100 dB
  • Application
    Receivers for Frequency and Phase Modulation, Very Wide Range IF and RF Power Measurement, Receiver Signal Strength Indication (RSSI), Low Cost Radar and Sonar Signal Processing, Instrumentation: Network and Spectrum Analyzers
  • Fall Time
    67 to 100 ns
  • Input Capacitance
    2.5 pF
  • Input Impedance
    800 to 1200 Ohms
  • Logarithmic Intercept
    -108 dBV
  • Operating Temperature
    -40 to 85 Degree C
  • Package
    16-lead TSSOP Package
  • Package Type
    Surface Mount
  • Rise Time
    67 to 100 ns
  • Small Signal Bandwidth
    3.5MHz
  • Storage Temperature
    -65 to 150 Degree C
  • Frequency
    5 to 400 MHz
  • Input Power
    -65 to 22 dBm
  • Logarithmic Slope
    18 to 23 mV/dB
  • Output Resistance
    0.3 Ohms
  • Output Voltage
    0.34 to 2.75 V
  • Quiescent Current
    13 to 20mA
  • Supply Voltage
    2.7 to 5.5 V

Technical Documents

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