RF2172
0
Typical Applications
•
Bluetooth
TM
PA
• 2.4GHz to 2.5GHz ISM Band Systems
• 902MHz to 928MHz ISM Band Systems
Product Description
The RF2172 is a medium-power high efficiency amplifier
IC targeting 3.6V handheld systems. The device is manu-
factured on an advanced Gallium Arsenide Heterojunc-
tion Bipolar Transistor (HBT) process, and has been
designed for use as the final RF amplifier in 2.45GHz
Bluetooth applications and frequency hopping/direct
sequence spread-spectrum cordless telephones or other
applications in the 902MHz to 928MHz ISM band. The
device is packaged in a compact 4mmx4mm QFN. The
device features analog gain control to optimize transmit
power while maximizing battery life in portable equipment
requiring up to 100mW transmit power at the antenna
port.
BLUETOOTH
is a trademark owned by the Bluetooth SIG, Inc., and licensed
to RF Micro Devices, Inc.
0.10 C B
-B-
ISM BAND 3.6V, 250mW AMP WITH
ANALOG GAIN CONTROL
• 3.6V Spread-Spectrum Cordless Phones
• Portable Battery-Powered Equipment
• Spread-Spectrum Systems
4.00
0.10 C B
2 PLCS
3.75
2 PLCS
2.00
0.80
TYP
2
A
1.60
2 PLCS
3.75
0.75
0.50
INDEX AREA
Dimensions in mm.
1.50
SQ.
4.00
0.10 C A
2 PLCS
0.45
0.28
3.20
2 PLCS
2.00
0.10 C A
2 PLCS
Shaded pin is lead 1.
12°
MAX
0.05
0.00
0.10 M C A B
1.00
0.90
0.75
0.65
C
0.05
Optimum Technology Matching® Applied
Si BJT
Si Bi-CMOS
InGaP/HBT
GaAs HBT
SiGe HBT
GaN HEMT
GaAs MESFET
Si CMOS
SiGe Bi-CMOS
Package Style: QFN, 16-Pin, 4x4
Features
• 23.5dBm Typical Output Power
• 0dB to 28dB Variable Gain
• 45% Efficiency at Max Output
• On-Board Power Down Mode
• 2.4GHz to 2.5GHz Operation
• 902MHz to 928MHz Operation
GND
GND
GND
14
1
GND 2
RF IN 3
GND 4
5
GND
16
15
13
12 RF OUT
11 RF OUT
Bias
6
VPD
7
APC
8
GND
GND
10 GND
9
GND
VCC
Ordering Information
RF2172
ISM Band 3.6V, 250mW Amp with Analog Gain Con-
trol
RF2172PCBA411 Fully Assembled Evaluation Board 2.4 to 2.5GHz
RF2172PCBA410 Fully Assembled Evaluation Board 908 to 928MHz
RF Micro Devices, Inc.
7628 Thorndike Road
Greensboro, NC 27409, USA
Tel (336) 664 1233
Fax (336) 664 0454
http://www.rfmd.com
Functional Block Diagram
Rev A11 030729
2-1
RFMD [ RF MICRO DEVICES ]
