AD8309ARU
AD8309ARU Description
5 - 500 MHz, 100 dB Demodulating Logarithmic Amplifier with Limiter Output
AD8309ARU Vendor
Analog Devices
AD8309ARU Features
  • Complete Multistage Log-Limiting IF Amplifier
  • 100 dB Dynamic Range: –78 dBm to +22 dBm (Re 50 O)
  • Programmable Limiter Gain and Output Current
    Differential Outputs to 10 mA, 2.4 V p-p
    Overall Gain 100 dB, Bandwidth 500 MHz
    Constant Phase (Typical 680 ps Delay Skew)
  • 500 ns Power-Up Time, <1 mA Sleep Current
  • Stable RSSI Scaling Over Temperature
    and Supplies:
    20 mV/dB Slope, –95 dBm Intercept
    ±0.4 dB RSSI Linearity up to 200 MHz
  • Single Supply of +2.7 V to +6.5 V at
    16 mA Typical
  • Fully Differential Inputs,
    RIN = 1 kO, CIN = 2.5 pF
AD8309ARU Datasheet and Application Notes
ParameterValue
RF Freq5 to 500
Dynamic Range100dB
Accuracy±0.5dB
Phase Accuracy (for Log Amps)±3Deg
Response Time67ns
Supply Voltage2.7 to 5.5
Supply Current16mA
Limiter OutputYes
AC Linearity of Log Amp1dB
Pwr Dn Comsumption80mW
Package16-Lead TSSOP
StatusProdn
Package16 ld TSSOP
Pins16
Products related to AD8309ARU
AD8309-EVAL   AD8309   

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