DATA SHEET SE2574L: 2.4 GHz High Efficiency Wireless LAN PA Applications Product Description The SE2574L is a complete 802.11 b/g WLAN IEEE802.11b DSSS WLAN discrete power amplifier. The device provides all the IEEE802.11g OFDM WLAN functionality of the power amplifier, power detector, Embedded, SiP modules filter, associated input, inter-stage and output matching in an ultra compact 2mm x 2mm x 0.9mm Features form factor. Dual Mode IEEE802.11b & IEEE802.11g The SE2574L is designed for ease of use, with all the Integrated PA, digital bias control, 50 input and critical input and output matching integrated. The output match, 3.2GHz TX Filter. SE2574L includes a transmitter power detector with Integrated harmonic filter. 20 dB of dynamic range and a digital Enable for Integrated load insensitive Power Detector, with power on/off control. Harmonic filters and an input <1dB error at 2:1 mismatch 3.2GHz LO rejection filter are integrated on-chip. The 20 dBm Output Power, 802.11b, 11 Mbps, ACPR power ramp rise/fall time is 0.7 s typical. <-30 dBc 18dBm 3.0 % EVM, 802.11g, 54 Mbps 2.3 V to 5.0 V direct to battery supply Lead free, Halogen free, ROHS compliant , 2 x2x0.9 mm QFN package, MSL 1 Ordering Information Part No. Package Remark SE2574L 8 pin QFN Samples SE2574L-R 8 pin QFN Tape and Reel SE2574L-EK1 N/A Evaluation kit Functional Block Diagram EN VCC VCC2 Bias Circuitry 50ohm Match 50ohm 3.2GHz & harmonic RF IN RF Out Match Filter Filter Detector Pdet Figure 1: Functional Block Diagram Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 202427A Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice September 25, 2012 1 DATA SHEET SE2574L: 2.4 GHz High Efficiency Wireless LAN PA Pin Out Diagram Ground 1 8 RF In EN Paddle 7 GND 2 DET 3 6 GND Vcc 4 5 RF Out Vcc2 Figure 2: SE2574L Pin Out (Top View Through Package) Pin Out Description Pin No. Name Description 1 RF In RF Input (No DC voltage on the pin, but DC short to ground) 2 GND Ground 3 GND Ground 4 RF Out RF Output (No DC voltage on the pin, DC open to ground) 5 VCC2 Final Stage Supply Voltage (May attach directly to battery) 6 VCC First Stage Supply Voltage (May attach directly to battery) 7 DET Power Detector Output 8 EN Power Amplifier Enable Die paddle GND Ground Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 202427A Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice September 25, 2012 2