DESCRIPTION

LX5543 is a WLAN front-end module (FEM) for 802.11b/g/n and other applications in the 2.4-2.5GHz frequency range. LX5543 integrates an advanced InGaP/GaAs Hetero-junction Bipolar Transistor (HBT) power amplifier with on chip impedance matching and a Depletion mode pHEMT (D-pHEMT) singlepole triple-throw (SP3T) switch in a single package with 3x3mm footprint. LX5543 provides capability of sharing a single antenna between WLAN and Bluetooth systems through the SP3T switch. 2.4-2.5GHz 802.11b/g/n FrontEnd Solution in a Single MLP

Package

KEY FEATURES

◾ SP3T for Sharing Antenna between WLAN and Bluetooth systems

◾ All RF I/O Matched to 50 

◾ Single-Supply Voltage 3.0V to 4.2V

◾ Small Footprint: 3x3mm2

◾ Low Profile: 0.55mm

◾ RoHS Compliant & Pb-Free

TX Features :

◾ Power Gain ~ 25dB*

◾ Pout ~ +17dBm* for 3 EVM at Antenna

◾ Current ~145mA at +17dBm*

◾ Pout ~ +21dBm* for 11b 1Mbps DSSS Mask Compliance

◾ Quiescent Current ~ 82mA

RX Features :

◾ Insertion Loss ~ 0.6 dB

◾ IP1dB ~ +25 dBm

Bluetooth Path :

◾ Insertion Loss ~ 0.9 dB

◾ IP1dB ~ +29 dBm

* Including SP3T switch loss

APPLICATIONS

◾ IEEE 802.11b/g/n

◾ Mobile Phone WLAN module