Product Specification
PE43501
Product Description
The PE43501 is a HaRP™-enhanced, high linearity, 5-bit RF
Digital Step Attenuator (DSA). This highly versatile DSA
covers a 7.75 dB attenuation range in 0.25 dB steps. The
Peregrine 50Ω RF DSA provides a serial-addressable 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 5x5 mm 32-lead QFN footprint.
The PE43501 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.
50
Ω
RF Digital Attenuator
5-bit, 7.75 dB, DC-6.0 GHz
Features
•
HaRP™-enhanced UltraCMOS™ device
•
Attenuation: 0.25 dB steps to 7.75 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-Addressable: Program up to
eight addresses 000 - 111
•
High-attenuation state @ power-up (PUP)
•
CMOS Compatible
Figure 1. Package Type
32-lead 5x5x0.85 mm QFN Package
•
No DC blocking capacitors required
•
Packaged in a 32-lead 5x5x0.85 mm QFN
Figure 2. Functional Schematic Diagram
Switched Attenuator Array
RF Input
RF Output
Parallel Control
Serial In
5
Control Logic Interface
CLK
LE
A0
A1
A2
P/S
©2008-2009 Peregrine Semiconductor Corp. All rights reserved.
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Document No. 70-0251-03
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