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SMP1304 Datasheet(PDF) 4 Page - Skyworks Solutions Inc. |
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SMP1304 Datasheet(HTML) 4 Page - Skyworks Solutions Inc. |
4 / 6 page Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com February 23, 2006 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • 200044 Rev. C DATA SHEET • SMP1304 SERIES 4 4 31 2 43 12 SMP1304-019 (PI) SMP1304-007 In the -007 configuration of the SOT-23 package, the package inductance is effectively reduced to 0.4 nH, in comparison to the 1.5 nH value of the standard configuration. This lower inductance will be particularly beneficial when the diodes are used as shunt connected switches at frequencies higher than 500 MHz, where inductance is the primary limitation on maximum switch isola- tion. To achieve the effective 0.4 nH, the SOT-23 package must be inserted in the microstrip circuit board with a gap in the trace, as shown in the figure. Because of the polarity of the diode junc- tion, this low inductance feature is realizable only with the cathode connected to ground. SMP1304-019 PI Attenuator PIN Diodes The SMP1304-019 employs three PIN diode junctions in a SOT-143 package. They are configured for ease of insertion in PI attenuator circuits commonly used from 10 MHz to beyond 1 GHz. The SMP1304 PIN diode junction was designed for low capacitance, wide resistance dynamic range, and low distortion performance. RR R R R IF -55 °C -15 °C 25 °C 65 °C 100 °C (mA) ( Ω Ω)(Ω Ω)(Ω Ω)(Ω Ω)(Ω Ω) 0.02 1590 1660 1752 1770 1760 0.1 315 340 367 396 409 0.3 108 118 128 141 147 1 34.5 37.9 41.6 46.3 48.8 10 4.8 5.3 5.8 6.6 7 20 3 3.3 3.6 4.1 4.3 100 1.3 1.4 1.5 1.7 1.8 Resistance vs. Temperature @ 100 MHz Ground Gap Recommended Solder Reflow Profiles Refer to the “Recommended Solder Reflow Profile” Application Note. Tape and Reel Information Refer to the “Discrete Devices and IC Switch/Attenuators Tape and Reel Package Orientation” Application Note. |
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