LX5537
TM ®
InGaP HBT 2.3 – 2.7 GHz Power Amplifier
P RODUCTION D ATA S HEET
DESCRIPTION
KEY FEATURES Advanced InGaP HBT 2.3-2.7GHz Operation Single-Polarity 3-4.2V Supply Power Gain ~ 31 dB or higher 23.5 dBm @2.5% EVM /3.6V 25 dBm @2.5% EVM /4.2V 24.5 dBm @4% EVM /3.6V 26 dBm @4% EVM /4.2V 22% Efficiency @24.5dBm/3.6V Optional 26dB Attenuation Complete On-Chip Input Match Simple Output Match for Optimal EVM Temperature-Compensated On-Chip Output Power Detector with Wide Dynamic Range Small Footprint: 3x3mm2 Low Profile: 0.9mm
APPLICATIONS
The LX5537 is a power amplifier optimized for 802.16e(WiMAX/WiBro) and 802.11b/g/n applications in the 2.32.7 GHz frequency range. The PA is implemented as a three-stage monolithic microwave integrated circuit (MMIC) with active bias, on-chip input matching and output pre-matching. The device is manufactured with an InGaP/GaAs Heterojunction Bipolar Transistor (HBT) IC process (MOCVD). It operates with a single positive voltage supply of 3-4.2V, and provides power gain of 31dB and output powers of +23.5dBm at 3.6V and +25 dBm at 4.2V for 2.5% EVM in the 2.52.7GHz.
LX5537 also features an on-chip power detector at the output port of the PA to help reduce BOM cost and PCB space for implementation of power control in a typical wireless system. The 26dB attenuation function can optionally be used to reach low gain mode. The LX5537 is available in a 16pin 3mm x 3mm quad flat no lead package (QFN 3×3-16L). The compact footprint, low profile, and excellent thermal capability make the LX5537 an ideal solution for WiMAX/WiBro as well as 802.11b/g/n applications.
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IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
802.16e WiMAX 802.16e WiBro 802.11b/g/n BLOCK DIAGRAM
Vc
RF Input
Active Active Bias Network Vref
RF Output
Det
3X3MM QFN PACKAGE
PACKAGE ORDER INFO
MSC 5537 702A
LQ
Plastic QFN 3×3 16 pin
RoHS Compliant / Pb-free
LX5537 LX5537
LX5537LQ
Note: Available in Tape & Reel. Append the letters “TR” to the part number. (i.e. LX5537LQ-TR)
Copyright © 2008 Rev. 1.0a, 2008-09-04
Microsemi
Analog Mixed Signal Group 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
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INFORMATION
Thank you for your interest in Microsemi® Analog Mixed Signal products.
The full data sheet for this device contains proprietary information. To obtain a copy, please contact your local Microsemi sales representative. The name of your local representative can be obtained at the following link http://www.microsemi.com/contact/contactfind.asp or Contact us directly by sending an email to: IPGdatasheets@microsemi.com Be sure to specify the data sheet you are requesting and include your company name and contact information and or vcard. We look forward to hearing from you.
Copyright
Microsemi
Analog Mixed Signal Group 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
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