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PE43503 Datasheet(PDF) 1 Page - Peregrine Semiconductor |
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PE43503 Datasheet(HTML) 1 Page - Peregrine Semiconductor |
1 / 11 page Page 1 of 11 Document No. 70-0252-05 │ www.psemi.com ©2008-2009 Peregrine Semiconductor Corp. All rights reserved. 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 50 Ω 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. Product Specification 50 Ω RF Digital Attenuator 5-bit, 31 dB, 9 kHz - 6.0 GHz Product Description Figure 2. Functional Schematic Diagram PE43503 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 in a 24-lead 4x4x0.85 mm QFN Figure 1. Package Type Control Logic Interface RF Input RF Output Switched Attenuator Array Serial In LE CLK A0 A1 A2 Parallel Control 5 P/S 24-lead 4x4x0.85 mm QFN Package |
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