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BDA4730 - 7-bit Digital Step Attenuator

Description

The BDA4730 is a broadband, Highly accurate 50Ω digital step attenuator model which provides adjustable attenuation from 0 to 31.75 dB in 0.25 dB steps.

The control interface supports a 7-bit serial interface with 3-bit addressable function and latched parallel interface.

Features

  • 7-bit Serial & Parallel Interface.
  • 31.75 dB Control Range 0.25 dB step.
  • Support addressable Function (Addr0-Addr7).
  • Glitch-safe attenuation state transitions.
  • 2.5 V to 5.5 V supply.
  • Excellent Attenuation Accuracy Any bit Attenuation Error < ±0.5 dB up to 6GHz.
  • Low Insertion Loss 0.6 dB @ 1GHz 0.8 dB @ 2GHz 1.1 dB @ 3GHz 1.4 dB @ 4GHz 2.0 dB @ 5GHz 2.6 dB @ 6GHz 2.7 dB @ 7GHz.
  • Ultra linearity IIP3 > +68 dBm @ 3.5GHz, ATT=0dB.

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Datasheet Details

Part number BDA4730
Manufacturer BeRex
File Size 1.81 MB
Description 7-bit Digital Step Attenuator
Datasheet download datasheet BDA4730 Datasheet

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Full PDF Text Transcription

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7-bit Digital Step Attenuator with Addressable Function BDA4730 9kHz – 8000MHz Device Features • 7-bit Serial & Parallel Interface • 31.75 dB Control Range 0.25 dB step • Support addressable Function (Addr0-Addr7) • Glitch-safe attenuation state transitions • 2.5 V to 5.5 V supply • Excellent Attenuation Accuracy Any bit Attenuation Error < ±0.5 dB up to 6GHz • Low Insertion Loss 0.6 dB @ 1GHz 0.8 dB @ 2GHz 1.1 dB @ 3GHz 1.4 dB @ 4GHz 2.0 dB @ 5GHz 2.6 dB @ 6GHz 2.7 dB @ 7GHz • Ultra linearity IIP3 > +68 dBm @ 3.5GHz, ATT=0dB • Input 0.1dB Compression (P0.1dB) 30dBm @ 3.
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