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SKY12332-310LF Datasheet(PDF) 1 Page - Skyworks Solutions Inc.

Part No. SKY12332-310LF
Description  6-Bit Digital Attenuator with Driver LF-1 GHz, 0.5 dB LSB, 31.5 dB Range
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Maker  SKYWORKS [Skyworks Solutions Inc.]
Homepage  http://www.skyworksinc.com

SKY12332-310LF Datasheet(HTML) 1 Page - Skyworks Solutions Inc.

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Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
200584 Rev. B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • January 10, 2007
SKY12332-310LF: 6-Bit Digital Attenuator with Driver
LF–1 GHz, 0.5 dB LSB, 31.5 dB Range
Attenuation range: 31.5 dB
LSB: 0.5 dB
On-board low noise CMOS driver
Excellent RF noise floor
Single 5 V supply
Very low DC power consumption
Single positive control for each bit
Small 5 x 5 mm QFN-32 package
Available lead (Pb)-free and RoHS-compliant MSL-1 @ 260 °C
per JEDEC J-STD-020
Functional Block Diagram
RF Input/Output
RF Input/Output
8 dB
4 dB
2 dB
1 dB
0.5 dB
16 dB
The Skyworks SKY12332-310LF is 6-bit digital GaAs attenuator
with an on-board low-noise CMOS driver. This attenuator offers
excellent performance from low frequency through 1 GHz, making
it ideal for IF and RF level control applications. It contains an on-
board CMOS driver circuit which accepts CMOS logic levels at the
6 control inputs and produces a negative supply voltage to control
the GaAs attenuator.
The SKY12332-310LF has excellent linearity for compatibility with
non-constant envelope signals, such as W-CDMA and OFDM. The
6 attenuation bits are binary weighted, with an LSB of 0.5 dB and
a total nominal attenuation range of 31.5 dB. It also has excellent
attenuation accuracy and is monotonic. The low-noise CMOS driver
enables a very low RF noise floor, typically -100 dBm.
Typical applications for this attenuator include level control in
cellular base stations, wireless data transceivers, broadband
systems, etc.
The required supply voltage for SKY12332-310LF is 5V. This part
can operate over the temperature range of -40 °C to 85 °C.
An evaluation board is available upon request.
Skyworks offers lead (Pb)-free, RoHS (Restriction of
Hazardous Substances)-compliant packaging.

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