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PE43503 - RF Digital Attenuator

General Description

The PE43503 is a HaRP™-enhanced, high linearity, 5-bit RF Digital Step Attenuator (DSA) covering a 31 dB attenuation range in 1 dB steps.

The Peregrine 50Ω RF DSA provides a serial CMOS control interface.

Key Features

  • HaRP™-enhanced UltraCMOS™ device.
  • Attenuation: 1 dB steps to 31 dB.
  • High Linearity: Typical +58 dBm IP3.
  • Excellent low-frequency performance.
  • 3.3 V or 5.0 V Power Supply Voltage.
  • Fast switch settling time.
  • Programming Modes:.
  • Direct Parallel.
  • Latched Parallel.
  • Serial.
  • High-attenuation state @ power-up (PUP).
  • CMOS Compatible.
  • No DC blocking capacitors required.
  • Packaged i.

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Other Datasheets by pSemi (Peregrine Semiconductor)

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PE43501 RF Digital Attenuator
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PE43508 RF Digital Step Attenuator
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PE4304 RF Digital Attenuator

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Product Description The PE43503 is a HaRP™-enhanced, high linearity, 5-bit RF Digital Step Attenuator (DSA) covering a 31 dB attenuation range in 1 dB steps. The Peregrine 50Ω RF DSA provides a serial CMOS control interface. It maintains high attenuation accuracy over frequency and temperature and exhibits very low insertion loss and low power consumption. Performance does not change with Vdd due to on-board regulator. This next generation Peregrine DSA is available in a 4x4 mm 24-lead QFN footprint. The PE43503 is manufactured on Peregrine’s UltraCMOS™ process, a patented variation of silicon-on-insulator (SOI) technology on a sapphire substrate, offering the performance of GaAs with the economy and integration of conventional CMOS. Figure 1. Package Type 24-lead 4x4x0.