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SE2521A80

Skyworks
Part Number SE2521A80
Manufacturer Skyworks
Description 2.4 GHz Wireless LAN Front-End
Published Oct 24, 2021
Detailed Description DATA SHEET SE2521A80: 2.4 GHz Wireless LAN Front-End Preliminary Applications  IEEE802.11b DSSS WLAN  IEEE802.11g OFDM...
Datasheet PDF File SE2521A80 PDF File

SE2521A80
SE2521A80


Overview
DATA SHEET SE2521A80: 2.
4 GHz Wireless LAN Front-End Preliminary Applications  IEEE802.
11b DSSS WLAN  IEEE802.
11g OFDM WLAN  Access Points, PCMCIA, PC cards Features  Dual Mode IEEE802.
11b & IEEE802.
11g  All RF ports matched to 50 Ω  Integrated PA, TX Filter, DPDT T/R and Diversity switches  Integrated Power Detector  20 dBm @ 3.
0 % EVM, 802.
11g, 54 Mbits  20 dBm, 802.
11b, ACPR = -37 dBr, 11 Mbits  Single supply voltage: 3.
3 V ± 10 %  Small lead free package, 8 mm x 7 mm x 1.
2 mm, MSL 3 Ordering Information Part Number SE2521A80 SE2521A80-R SE2521A80-EK1 Package 24 pin LGA 24 pin LGA N/A Remark Samples Tape and Reel Evaluation kit Functional Block Diagram Product Description The SE2521A80 is a complete 802.
11 b/g WLAN RF front-end module providing all the functionality of the power amplifier, power detector, T/R switch, diversity switch and associated matching.
The SE2521A80 provides a complete 2.
4 GHz WLAN RF solution from the output of the transceiver to the antennas in an ultra compact form factor.
Designed for ease of use, all RF ports are matched to 50 Ω to simplify PCB layout and the interface to the transceiver RFIC.
The SE2521A80 also includes a transmitter power detector with 20 dB of dynamic range and a digital enable control for transmitter power ramp on/off control.
The power ramp rise/fall time is 1 μsec typical.
The SE2521A80 is pin for pin compatible to Skyworks’ SE2521A34 for easy transition of medium power designs to higher power designs.
The device also provides a notch filter from 3.
2-3.
3 GHz prior to the input of the power amplifier.
VCC VCC3 TXEN TXIN 50 Ohm Match Notch Filter PD_OUT RXOUT Bias Circuitry Power Detector 50 Ohm Match 50 Ohm OMN + LPF Switch Switch Control ANT_A (50 Ohm) ANT_B (50 Ohm) C1 C2 C3 C4 Figure 1: Functional Block Diagram Skyworks Solutions, Inc.
• Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.
com • www.
skyworksinc.
com 202417A • Skyworks Proprietary Information • Products ...


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