1 of 10

Optimum Technology Matching® Applied

GaAs HBT

InGaP HBT

GaAs MESFET

SiGe BiCMOS

Si BiCMOS

SiGe HBT

GaAs pHEMT

Si CMOS

Si BJT

GaN HEMT

Functional Block Diagram

RF MICRO DEVICES®, RFMD®, Optimum Technology Matching®, Enabling Wireless Connectivity™, PowerStar®, POLARIS™ TOTAL RADIO™ and UltimateBlue™ are trademarks of RFMD, LLC. BLUETOOTH is a trade-

mark owned by Bluetooth SIG, Inc., U.S.A. and licensed for use by RFMD. All other trade names, trademarks and registered trademarks are the property of their respective owners. ©2006, RF Micro Devices, Inc.

Product Description

7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical

support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.

Ordering Information

RF MEMS

LDMOS

RF IN

VREG

VC2

RF OUT

1

2

8

7

5

6

4

3

Bias Circuit

Input

Match

Interstage

Match

Power

Detector

2Fo

Filter

RF5722

3.0V TO 3.6V, 2.4GHz TO 2.5GHz

LINEAR POWER AMPLIFIER

The RF5722 is a linear, medium-power, high-efficiency, two-stage amplifier IC

designed specifically for battery-powered WiFi applications such as PC cards, mini

PCI, and compact flash applications. The device is manufactured on an advanced

InGaP Gallium Arsenide Heterojunction Bipolar Transistor (HBT) process, and has

been designed for use as the final RF amplifier in 2.5GHz OFDM and other spread-

spectrum transmitters. The device is provided in a 2.2mmx2.2mm, 8-pin, QFN with

a backside ground. The RF5722 is designed to maintain linearity over a wide range

of supply voltages and power outputs. The RF5722 also has built-in power detector

and incorporates the input, and interstage components internally which reduces

the component count used externally and makes it easier to incorporate on any

design.

Features



Single Power Supply 3.0V to

3.6V



24dB Minimum Gain



Input Matched to 50





2400MHz to 2500MHz Fre-

quency Range



+18dBm at <2.5% typ EVM,

Applications



IEEE802.11b/g/n WiFi Appli-

cations



2.5GHz ISM Band Applica-

tions



Commercial and Consumer

Systems



Portable Battery-Powered

Equipment



Spread-Spectrum and MMDS

Systems

RF5722

Standard 25 piece bag

RF5722SR

Standard 100 piece reel

RF5722TR7

Standard 2500 piece reel

RF5722PCK-410

Fully assembled evaluation board tuned for 2.4GHz to

2.5GHz and 5 loose sample pieces

DS110619



Package Style: QFN, 8-Pin, 2.2mmx2.2mmx0.45mm