LMS6002D configurable broadband transceiver IC

The LMS6002D is a fully integrated multi-band, multi-standard single-chip RF transceiver for 3GPP (WCDMA/HSPA and LTE), 3GPP2 (CDMA2000) and WiMAX applications.

It can be digitally configured to operate in 16 user-selectable bandwidths up to 28MHz. The LMS6002D incorporates a multiplicity of RF inputs and outputs to enable features such as GSM Listen Mode required for femtocell operation. Integrated high performance 12-bit ADC and DAC blocks mean the device can be interfaced directly to any femtocell baseband IC on the market. The LMS6002D has a standard Serial Port Interface (SPI) for programming and includes provision for a full calibration function. The device combines LNA, PA driver, RX/TX mixers, RX/TX filters, synthesizer, RX gain control, and TX power control with very few external components.

The LMS6002D replaces several individual transceiver chips and allows the equipment to be reconfigured rapidly and simply. This enables a considerable reduction in size, time to market, bill of materials and inventory for OEMs. Fine tuning has resulted in performance optimisations which will allow OEMs to use fewer peripheral components, further reducing bill of materials and cost.

The LMS6002D is packaged in a 9x9mm 116-pin DQFN package, and is available with an evaluation board and associated software.

Summary of LMS6002D’s features

• Single chip transceiver covering 375MHz-4GHz.
• Fully differential baseband signals
• Few external components
• Programmable modulation bandwidth: 1.5, 1.75, 2.5, 2.75, 3, 3.84, 5, 5.5, 6, 7, 8.75, 10, 12, 14, 20 and 28MHz
• Supports both FDD and TDD full duplex
• Integrated high performance 12-bit ADC and DAC
• Low voltage operation, 1.8V and 3.3V
• Standby current less than 1mA
• Tx RF output +6dBm, continuous wave
• 116 pin DQFN package
• Provision for Full Calibration
• Power down
• Serial interface

Applications

• Femto, enterprise and pico basestations
• Repeaters
• Broadband wireless communication devices for CDMA, WCDMA/HSPA, LTE and WiMAX radios