1

FEATURES

APPLICATIONS

DESCRIPTION

CC2591 BLOCK DIAGRAM

PA

Logic

Bias

15

7

2

3

4

11

LNA

5

6

BIAS

HGM

RF_P

RXTX

RF_N

PAEN

EN

BALUN

ANT

CC2591

2.4-GHz RF Front End

• All 2.4-GHz ISM Band Systems

• Seamless Interface to 2.4-GHz Low Power RF

Devices from Texas Instruments

• Wireless Sensor Networks

• Wireless Industrial Systems

• Up to 22-dBm Output Power

• IEEE 802.15.4 and ZigBee Systems

• 6-dB Typical Improved Sensitivity on CC24xx

• Wireless Consumer Systems

and CC2500, CC2510, and CC2511

• Wireless Audio Systems

• Few External Components

–

Integrated Switches

–

Integrated Matching Network

CC2591 is a cost-effective and high performance RF

–

Integrated Balun

Front End for low-power and low-voltage 2.4-GHz

–

Integrated Inductors

wireless applications.

–

Integrated PA

CC2591 is a range extender for all existing and future

–

Integrated LNA

2.4-GHz low-power RF transceivers, transmitters and

• Digital Control of LNA Gain by HGM Pin

System-on-Chip products from Texas Instruments.

• 100-nA in Power Down (EN = PAEN = 0)

CC2591 increases the link budget by providing a

power amplifier for increased output power, and an

• Low Transmit Current Consumption

LNA with low noise figure for improved receiver

(100-mA at 3-V for 20-dBm Out, PAE = 33%)

sensitivity.

• Low Receive Current Consumption

CC2591 provides a small size, high output power RF

–

3.4-mA for High Gain Mode

design with its 4x4-mm QFN-16 package.

–

1.7-mA for Low Gain Mode

CC2591 contains PA, LNA, switches, RF-matching,

• 4.8-dB LNA Noise Figure, including T/R Switch

and balun for simple design of high performance

and external antenna match

wireless applications.

• RoHS Compliant 4×4-mm QFN-16 Package

• 2-V to 3.6-V Operation

1

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.

Submit Documentation Feedback

Copyright © 2008, Texas Instruments Incorporated