1.1 Features 1
• Seamless Interface to 2.4-GHz Low-Power RF
Devices from Texas Instruments
• Output Power up to 22 dBm
• Few External Components
– Integrated Switches
– Integrated Matching Network
– Integrated Balun
– Integrated Inductors
– Integrated PA
– Integrated LNA
• Digital Control of LNA Gain by HGM Pin
• 100-nA in Power Down (EN = PAEN = 0)
• Low Transmit Current Consumption
(100 mA at 3 V for 20-dBm Out, PAE = 33%)
• Low-Receive Current Consumption
– 3.4 mA for High-Gain Mode
– 1.7 mA for Low-Gain Mode
• 4.8-dB LNA Noise Figure, Including T/R Switch
and External Antenna Match
• RoHS Compliant 4×4-mm QFN-16 Package
• 2-V to 3.6-V Operation

1.2 Applications
• All 2.4-GHz ISM Band Systems
• Wireless Sensor Networks
• Wireless Industrial Systems
• IEEE 802.15.4 and ZigBee® Systems
• Wireless Consumer Systems
• Wireless Audio Systems

1.3 Description
CC2591 is a cost-effective and high-performance RF front end for low-power and low-voltage 2.4-GHz
wireless applications. The device is a range extender for all existing and future 2.4-GHz low-power RF
transceivers, transmitters, and System-on-Chip products from TI. CC2591 increases the link budget by
providing a power amplifier for increased output power, and an LNA with low noise figure for improved
receiver sensitivity. The device provides a small size, high output power RF design with its 4-mm × 4-mm
QFN-16 package. The device contains PA, LNA, switches, RF-matching, and balun for simple design of
high-performance wireless applications.