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Peregrine Semiconductor - RF Digital Attenuator

Numéro de référence PE43602
Description RF Digital Attenuator
Fabricant Peregrine Semiconductor 
Logo Peregrine Semiconductor 





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PE43602 fiche technique
Product Description
The PE43602 is a HaRP-enhanced, high linearity, 6-bit RF
Digital Step Attenuator (DSA) covering a 31.5 dB attenuation
range in 0.5 dB steps. This Peregrine 50RF DSA provides
both a serial and parallel 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 PE43602 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 Photo
24-lead 4x4x0.85 mm QFN Package
Product Specification
PE43602
50 RF Digital Attenuator
6-bit, 31.5 dB, 9 kHz - 5.0 GHz
Features
HaRP™-enhanced UltraCMOS™ device
Attenuation: 0.5 dB steps to 31.5-dB
High Linearity: Typical +58 dBm IIP3
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 in a 24-lead 4x4x0.85 mm QFN
Figure 2. Functional Schematic Diagram
RF Input
Parallel Control 7
Serial In
CLK
LE
Control Logic Interface
P/S
RF Output
Document No. 70-0248-05 www.psemi.com
©2008-2009 Peregrine Semiconductor Corp. All rights reserved.
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