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UltraCMOS® RF Digital Step Attenuator

UltraCMOS® RF Digital Step Attenuator

PE43704

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The PE43704 is a HaRP™ technology-enhanced, high linearity, 7-bit 50Ω RF digital step attenuator (DSA). It offers maximum power handling of 28 dBm up to 8 GHz and covers a 31.75 dB attenuation range in 0.25 dB, 0.5 dB, or 1.0 dB steps. The PE43704 is a pin-compatible version of PE43703. It provides multiple CMOS control interfaces and an optional VssEXT bypass mode to improve spurious performance. It maintains high attenuation accuracy over frequency and temperature and exhibits very low insertion loss and low power consumption. No blocking capacitors are required if DC voltage is not present on the RF ports.

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Industry-Leading Product

Specifications

X-MicrowaveYes
Description7-bit; 128 states
Min Freq.9 kHz
Max Freq.8 GHz
Max Typ. IL (dB)2.9
Min Typ. IL (dB)1.3
IIP3 (dBm)61
Attn Range (dB)0.00–31.75
Attn Step (dB)0.25/0.5/1.0
InterfaceParallel (Latched, Direct), Serial, Serial Addressable
Bits7
Attenuation Accuracy (dB @ 1 GHz)+(0.15 + 4.5% of setting), –(0.1 + 2% of setting)
Switching Time1100 ns
ESD HBM (V)1500
Package (mm)5x5
Package32L QFN
PCN/EOL

PCN – July 23, 2018: Wafer Fabrication Process, Ordering codes change

About Product

Key Features

      HaRP™ technology-enhanced
      Safe attenuation state transitions
      Attenuation options: covers a 31.75 dB range in 0.25 dB, 0.5 dB, or 1.0 dB steps
      High power handling @ 8 GHz in 50Ω
      High linearity
      1.8V/3.3V control logic
      Programming modes: Direct parallel, latched parallel, serial and serial addressable
      High-attenuation state @ power-up (PUP)
      ESD performance
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