UltraCMOS® RF Digital Step Attenuators

pSemi UltraCMOS® RF Digital Step Attenuators (DSAs) offer flexibility and performance for wireless and broadband infrastructure equipment, LMRs, test-and-measurement equipment, and military RF applications. The UltraCMOS RF DSAs are offered in 50Ω and 75Ω variants, with multiple programming mode options, including serial, direct parallel, and latched parallel, making it easy to design them into a wide range of systems. These devices offer best-in-class linearity, outstanding attenuation accuracy, and low insertion loss.

All Results (13)

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Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
pSemi Attenuators Green 20 lead 4x4 QFN 1,980In Stock
Min.: 1
Mult.: 1
Reel: 3,000

pSemi Attenuators Flip Chip Die 193In Stock
Min.: 1
Mult.: 1
Reel: 250

pSemi Attenuators 32 lead 5X5 QFN 2,484In Stock
2,367Expected 2026/04/14
Min.: 1
Mult.: 1
Reel: 3,000

pSemi Attenuators Green 24 lead 4x4 QFN 11,366In Stock
Min.: 1
Mult.: 1
Reel: 3,000

pSemi Attenuators Green 24 lead 4x4 QFN 9,580In Stock
Min.: 1
Mult.: 1
Reel: 3,000

pSemi Attenuators 32 lead 5X5 QFN 1,384In Stock
3,000Expected 2026/07/14
Min.: 1
Mult.: 1
Reel: 3,000

pSemi Attenuators Green 32 lead 5x5 QFN 629In Stock
3,000Expected 2026/07/15
Min.: 1
Mult.: 1
Reel: 3,000


pSemi Attenuators Green 12 lead 3x3 QFN 233In Stock
24,000On Order
Min.: 1
Mult.: 1
Reel: 3,000

pSemi Attenuators Green 20 lead 4x4 QFN
60,901Expected 2026/08/06
Min.: 1
Mult.: 1
Reel: 3,000

pSemi Attenuators Green 32 lead 5x5 QFN Lead-Time 16 Weeks
Min.: 1
Mult.: 1
Reel: 3,000

pSemi RF Development Tools Evaluation Kit Non-Stocked Lead-Time 16 Weeks
Min.: 1
Mult.: 1

pSemi Attenuators Green 12 lead 3x3 QFN Non-Stocked Lead-Time 16 Weeks
Min.: 3,000
Mult.: 3,000
Reel: 3,000

pSemi Attenuators Green 20 lead 4x4 QFN Non-Stocked Lead-Time 16 Weeks
Min.: 3,000
Mult.: 3,000
Reel: 3,000