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IDTF1953

6-bit 0.50dB Glitch-Free™ Digital Step Attenuator with Internal DC Blocks

The F1953 Digital-Step-Attenuator featuring Glitch-Free™ technology improves system reliability and settling time.  It has an attenuation range of 31.5 dB with excellent accuracy and very low distortion.  In addition, it features internal DC blocking capacitors to reduce the system’s bill-of-materials.

Features

  • Glitch-Free™, < 0.6 dB transient overshoot
  • Spurious Free Design
  • 2.7 to 3.3 V supply
  • Attenuation Error < 0.5 dB @ 2 GHz
  • Low Insertion Loss < 1.4 dB @ 2 GHz
  • Excellent Linearity >+60 dBm IP3I
  • Fast settling time, < 400 nsec
  • Class 2 JEDEC ESD (> 2kV HBM)
  • Serial or Parallel Interface 31.5 dB Range
  • Stable Integral Non-Linearity over temperature
  • Low Power Consumption < 200 uA
  • Integrated DC blocking capacitors
  • Drop-In replacement
  • 4x4 mm Thin QFN 20 pin package
     

 

Product Specification

Input Freq (MHz)Output Freq Range (MHz)Supply Voltage (V)Pkg. TypeLead Count (#)Input IP3 (dBm)Gain (dB)Gain Resolution (dB)Function
400.000000 - 4000.000000400.000000 - 4000.0000002.70 - 3.30BOARD, VFQFPN0, 2062-1.400.506-bit DSA w/integrated DC blocks EVkit, 6-bit DSA w/integrated DC blocks

Product Options

Orderable Part IDPart StatusPkg. CodePkg. TypeLead Count (#)Temp. GradePb (Lead) FreeSample & Buy
F1953NCGIActiveNCG20VFQFPN20IYesCheck Availability
F1953NCGI8ActiveNCG20VFQFPN20IYesCheck Availability
F1953EVBIActiveBD0BOARD0INoCheck Availability