SE5502L
Dual Band 802.11a/b/g/n Wireless LAN Front End

The SE5502L is a complete 802.11a/b/g/n WLAN RF front-end module providing all the functionality of the power amplifiers, filtering, power detector, T/R switch, diplexers, LNA and associated matching. The SE5502L provides a complete 2.4 GHz and 5 GHz WLAN RF solution from the output of the transceiver to the antenna 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 SE5502L also includes a transmit power detector with 20 dB of dynamic range for each transmit chain. Each transmit chain has a separate digital enable control for transmitter power ramp on/off control. The power ramp rise/fall time is less than 0.7 µsec.

The device also provides a notch filter from 3.260- 3.267 GHz and 3.28-3.89 GHz prior to the input of each 2.4 GHz and 5 GHz power amplifiers, respectively.

The SE5502L packaged in 4mm x 4mm x 0.9mm, Halogen free, Lead free, ROHS compliant, MSL 3 QFN package.

Features

  • All RF ports matched to 50 Ω
  • Integrated 2.4 GHz PA, 5 GHz PA, T/R switch, 2.5GHz LNA, 5GHz LNA
  • Integrated Power Detector for each TX Chain
  • 21 dBm O/P Power, 802.11b, 11 Mbits, ACPR = 35 dBc
  • 18 dBm @ 3.0 % EVM, 802.11g, 54 Mbits
  • 16 dBm @ 3.0 % EVM, 802.11a, 54 Mbits
  • Single supply voltage: 3.3 V ± 10 %
  • Lead free, Halogen free, RoHS compliant, MSL 1
  • 4mm x 4mm x 0.9mm, QFN Package
Data Sheets SE5502L: Dual Band 802.11a/b/g/n Wireless LAN Front End 202451A.pdf (361 KB)
ProductName : SE5502L
Frequency (GHz) Min. : 2.4
4.9
Frequency (GHz) Max. : 2.5
5.875
802.11 WLAN Standard : a/b/g
Antenna Ports : 1
Architecture : Dual Band 802.11a/b/g/n
WLAN Front End
Typ. Current @ VCC = 3.3 V (mA) : 210
175
150
Typ. POUT @ 2.5% EVM (dBm) :
Typ. POUT @ 3.0% EVM (dBm) : 16
21
18
Typ. Tx Gain (dB) : 26
28
28
Package : QFN, 24-pin
Package (mm) : 4 x 4 x 0.9
Product Information:
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