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AD8306
  • AD8306
  • AD8306

AD8306

PRODUCTION

5 MH z TO 400 MH z , 100 d B High Precision Limiting - Logarithmic Amplifier

Analog Devices AD8306 Product Info

10 February 2026 5

Features

  • Complete, Fully Calibrated Log-Limiting IF Amplifier
  • 100 dB Dynamic Range: –91 dBV to +9 dBV
  • Stable RSSI Scaling Over Temperature and Supplies:
    20 mV/dB Slope, –95 dBm Intercept
    ±0.4 dB RSSI Linearity up to 200 MHz
  • Fully Differential Inputs, RIN = 1 kΩ, CIN = 2.5 pF
  • Single Supply of +2.7 V to +6.5 V at 16 mA Typical
  • Programmable Limiter Gain and Output Current
    Differential Outputs to 10 mA,
    2.4 V p-p
    Overall Gain 90 dB, Bandwidth 400 MHz
    Constant Phase (Typical ±56 psDelay Skew)
  • 500 ns Power-Up Time, <1 mA Sleep Current

Part details & applications

The AD8306 is a complete IF limiting amplifier, providing both an accurate logarithmic (decibel) measure of the input signal (the RSSI function) over a dynamic range of 100 dB, and a programmable limiter output, useful from 5 MHz to 400 MHz.

An evaluation board is available for this product and may be ordered using the following product number: AD8306-EVAL. Schematic and layout for this evaluation board is contained in the product datasheet.

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