RF Attenuators

RF Attenuators

Key Features

  • High linearity, fast switching time with wide bandwidth
  • Best-in-class attenuation error with fine attenuation steps
  • Monolithic CMOS solution that integrates RF, analog and digital
  • Excellent ESD protection and reliability

RF Product Catalog

View the pSemi 2021 RF product
catalog to see our complete RF
product portfolio. 

Glitch-less RF Digital Step Attenuators

Product Store Datasheet Description Freq. Typ. IL (dB) IIP3 (dBm) Attn Range (dB) Attn Step (dB) Interface Bits Package Package (mm)
Min Max Min Max
7-bit; 128 states 9 kHz 6 GHz 1.30 2.40 57 31.75 0.25/0.5/1.0 Serial 7 24L QFN 4x4
7-bit; 128 states 9 kHz 6 GHz 1.30 2.45 57 31.75 0.25/0.5/1.0 Parallel (Latched, Direct) 7 32L QFN 5x5
7-bit; 128 states 9 kHz 6 GHz 1.30 2.45 57 31.75 0.25/0.5/1.0 Parallel (Latched, Direct) 7 32L QFN 5x5

75Ω Wired Broadband RF Digital Step Attenuators

Product Store Datasheet Description Freq. Typ. IL (dB) IIP3 (dBm) Attn Range (dB) Attn Step (dB) Interface Bits Package Package (mm)
Min Max Min Max
6-bit; 64 states 1 MHz 2500 MHz 1.00 1.50 58 31.50 0.5 Parallel 6 20L QFN 4x4
6-bit; 64 states 1 MHz 2000 MHz 1.40 1.80 52 31.50 0.5 Parallel (Latched, Direct) 6 20L QFN 4x4

General-purpose RF Digital Step Attenuators

Product Store Datasheet Description Freq. Typ. IL (dB) IIP3 (dBm) Attn Range (dB) Attn Step (dB) Interface Bits Package Package (mm)
Min Max Min Max
6-bit; 64 states 1 MHz 4000 MHz 1.30 2.10 59 31.50 0.5 Parallel, Serial 6 20L QFN 4x4
2-bit; 4 states 35 MHz 6 GHz 0.50 1.15 61 18.00 6.0 Parallel 2 12L QFN 3x3
6-bit; 64 states 9 kHz 55 GHz 2.20 5.90 50 31.50 0.5/1.0 Parallel (Latched, Direct), Serial Addressable 6 Flip Chip
6-bit; 64 states 9 kHz 13 GHz 1.60 2.50 50 31.50 0.5/1.0 Parallel (Latched, Direct), Serial Addressable 6 24L LGA 4x4
6-bit; 64 states 9 kHz 45 GHz 2.50 5.40 50 31.50 0.5/1.0 Parallel (Latched, Direct), Serial Addressable 6 24L LGA 4x4
2-bit; 4 states 50 MHz 3000 MHz 0.60 0.60 61 18.00 6/12/18 Parallel 2 12L QFN 3x3
5-bit; 32 states 9 kHz 6 GHz 2.40 2.40 58 15.50 0.5 Parallel (Latched, Direct), Serial 5 24L QFN 4x4
7-bit; 128 states 9 kHz 4000 MHz 1.90 1.90 59 31.75 0.25 Parallel (Latched, Direct), Serial Addressable 7 32L QFN 5x5
7-bit; 128 states 9 kHz 8 GHz 1.30 2.50 61 31.75 0.25/0.5/1.0 Parallel (Latched, Direct), Serial Addressable 7 32L QFN 5x5
7-bit; 128 states 50 MHz 8 GHz 1.30 2.40 58 31.75 0.25/0.5/1.0 Parallel (Latched, Direct), Serial Addressable 7 32L QFN 5x5