DESCRIPTION

LX5553 is a high-integration, highperformance WLAN front-end module (FEM) for 802.11b/g/n and other applications in the 2.4-2.5GHz frequency range. LX5553 integrates an advanced InGaP/GaAs Hetero-junction Bipolar Transistor (HBT) power amplifier with on chip impedance matching, a fully matched low noise amplifier based on InGaAs Enhancement mode pseudo-morphic high electron mobility transistor (E-pHEMT) technology, and a Depletion mode pHEMT (D-pHEMT) singlepole triple-throw (SP3T) switch, all into a single package with 3x3mm footprint. LX5553 provides capability of sharing a single antenna between WLAN and Bluetooth systems through the SP3T switch.

KEY FEATURES

◾ 2.4-2.5GHz 802.11b/g/n FrontEnd Solution in a Single MLP Package

◾ 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 ~ 25 dB*

◾ Pout ~ +17 dBm* for 3 EVM at Antenna

◾ Current ~145 mA at +17 dBm*

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

◾ Quiescent Current ~ 82 mA

RX Features :

◾ Gain ~ 13 dB*

◾ Noise Figure ~ 2.1 dB*

◾ IIP3 ~ +5 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