LMX5252

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SNOSCW4A – DECEMBER 2004 – REVISED APRIL 2013

Bluetooth™ Radio

Check for Samples: LMX5252

1

FEATURES

•

The baseband interface is completely digital

and compatible with 8-pin bi-directional

2

•

The LMX5252 provides a very compact radio

BlueRF using the RXMODE2 configuration. It

solution for Bluetooth™ applications that put

can automatically adapt to the voltage levels

extra strong requirements on low cost and

used by different baseband controllers,

small form factors. In addition, the application

independently of the supply voltage.

benefits from very low signal loss between the

antenna and the radio.

APPLICATIONS

•

The radio completely integrates the receiver

•

The LMX5252 is primarily targeting cost-

and transmitter baluns, the antenna switch,

sensitive consumer applications that require

and filter together with the voltage-controlled

fast design-in, low power consumption and

oscillator (VCO) tank on one single die. The

small designs. It is ideal for applications such

fractional-N delta-sigma synthesizer and the

as:

crystal offer support for a wide range of

external reference frequency clocks or

–

2G, 2.5G, and 3G handsets

crystals. The digital Received Signal Strength

–

PDAs

Indicator (RSSI) allows for efficient power

–

Notebook PCs

control and communication with Bluetooth

–

Computer peripherals

Class 2 devices. Several current saving modes

–

Office network equipment

are available.

–

Home applications

FUNCTIONAL BLOCK DIAGRAM

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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2

Bluetooth is a trademark of Bluetooth SIG, Inc.

PRODUCTION DATA information is current as of publication date.

Copyright © 2004–2013, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.