2 of 12
RF5125
Rev A23 DS070515
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
Absolute Maximum Ratings
Parameter
Rating
Unit
Supply Voltage
-0.5 to +6.0
V
DC
Power Control Voltage (V
REG)
-0.5 to 3.5
V
DC Supply Current
600
mA
Input RF Power
+5
dBm
Operating Ambient Temperature
-30 to +85
°C
Storage Temperature
-40 to +150
°C
Moisture Sensitivity
JEDEC Level 2
Parameter
Specification
Unit
Condition
Min.
Typ.
Max.
Overall -
54Mbps OFDM Signal
T=+25°C, V
CC =3.3 V, VREG =2.8 V,
Freq=2450MHz, circuit per evaluation board
schematic.
Frequency Range
2400 to 2500
MHz
Maximum Linear Output Power
With 802.11g modulation (54Mbit/s)
meeting 802.11g spectral mask.
VCC=3.3V
20.021.022.0
dBm
VCC=5.0V
22.0
23.0
24.0
dBm
EVM
2.0
3.0
4.0
%
POUT=+21dBm, 54M OFDM, VCC=3.3VDC
2.0
3.5
4.0
%
POUT=+23dBm, 54M OFDM, VCC=5.0VDC
Gain
26
29
33
dB
POUT=+21dBm, 54M OFDM, VCC=3.3VDC
Input Impedance
49
50
51
Ω
Internally Matched Input and Interstage
Output VSWR
10:1
No spurs above -43dBm
Power Detector (P_detect)
POUT=8dBm
0.2
0.22
0.25
VDC
VCC=3.3V
POUT=21dBm
0.85
1.05
1.2
VDC
VCC=3.3V
POUT=23dBm
1.3
V
VCC=5.0V
Power Supply
Operating Voltage
3.0
3.3
3.6
VDC
5V operation requires output match revision
VREG (Bias) Voltage
(VREG1, VREG2)
2.7
2.8
3.0
VDC
Current Consumption
170
185
220
mA
RF POUT=+21dBm, VCC=3.3V,
54Mbps OFDM
250
RF POUT=+23dBm, VCC=5.0V,
54Mbps OFDM
Quiescent Current
95
mA
RF=OFF
Leakage Current
10
25
150
nA
VCC=+3.3VDC; RF In=OFF; VREG OFF
VREG (Bias) Current (Total)
1
2
5
mA
VCC=3.3V
126
mA
VCC=5.0V
Caution! ESD sensitive device.
The information in this publication is believed to be accurate and reliable. How-
ever, no responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use,
nor for any infringement of patents, or other rights of third parties, resulting
from its use. No license is granted by implication or otherwise under any patent
or patent rights of RFMD. RFMD reserves the right to change component cir-
cuitry, recommended application circuitry and specifications at any time without
prior notice.
RoHS status based on EUDirective2002/95/EC (at time of this document revi-
sion).
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