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AD640 Datasheet

AD640 ManufacturerAnalog Devices
AD640 Description120 MHz, 50 dB Demodulating Logarithmic Amplifier
AD640 Categories
Logarithmic Amplifiers
AD640 Datasheet (PDF)
AD640: DC-Coupled Demodulating 120 MHz Logarithmic Amplifier Data Sheet
AD640 Features
  • Complete, Fully Calibrated Monolithic System
  • Five Stages, Each Having 10 dB Gain, 350 MHz BW
  • Direct Coupled Fully Differential Signal Path
  • Logarithmic Slope, Intercept and AC Response are Stable Over Full Military Temperature Range
  • Dual Polarity Current Outputs Scaled

    1 mA/Decade
  • Voltage Slope Operation (1 V/Decade,

    100 mV/dB, etc.)
  • Low Power Operation (Typically 220 mW

    at ±5 V)
  • Low Cost Plastic Packages Also

    Available
AD640 Parameters
Dynamic Range50dB
Accuracy±0.55dB
Response Time10ns
Limiter OutputYes
AC Linearity of Log Amp3dB
Pwr Dn Comsumption200mW
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Datasheets