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RF3858 Datasheet(PDF) 2 Page - RF Micro Devices

Part # RF3858
Description  3.0 V TO 4.2V, ISM BAND TRANSMIT/RECEIVE MODULE WITH DIVERSITY TRANSFER SWITCH
PDF  11 Pages
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Manufacturer  RFMD [RF Micro Devices]
Direct Link  http://www.rfmd.com
Logo RFMD - RF Micro Devices

RF3858 Datasheet(HTML) 2 Page - RF Micro Devices

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RF3858
3.0 V TO 4.2V, ISM BAND TRANSMIT/RECEIVE
MODULE WITH DIVERSITY TRANSFER SWITCH
RF MICRO DEVICES®, RFMD®, Optimum Technology Matching®, Enabling Wireless ConnectivityTM, PowerStar®, POLARISTM TOTAL RADIOTM and UltimateBlueTM are trademarks of RFMD, LLC. BLUETOOTH is a trademark 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. ©2009, RF Micro Devices, Inc.
DS130424
7628 Thorndike Road, Greensboro, NC 27409-9421 – For sales or technical
Support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com
2 of 11
Absolute Maximum Ratings
Parameter
Rating
Unit
Overall
DC Supply Voltage
+5.0
V
Operating Ambient Temperature
-40 to +85
°C
Storage Temperature
-40 to +150
°C
Low Noise Amplifier
DC Supply Current
32
mA
Input RF Power
5
dBm
Power Amplifier
DC Supply Current
1200
mA
Input RF Power
10
dBm
Transmit/Receive Switch
Input RF Power
33
dBm
Parameter
Specification
Unit
Condition
Min.
Typ.
Max.
Low Noise Amplifier
Frequency Range
868
902 to 928
MHz
High Gain Mode
Gain
17
21
23.5
dB
Over LNA VCC, LNA VREF, Temperature, and Frequency
Noise Figure
1.3
1.5
dB
LNA VREF= LNA VCC= 3.3V
Input IP3
-4.5
-1
dBm
TAMB= +25°C, LNA VCC= 3.3V
Input Gain Compression
-15
dBm
Input Return Loss
-8
-5
dB
Output Return Loss
-8
-6
dB
LNA Operating Current
15
mA
LNA VREF= LNA VCC= 3.3V
LNA Enable
1
mA
Stability, Input VSWR
10:1
All phase angles
Output Spurious
-70
dBc
Low Gain Mode
Gain Select>1.8V
Gain
-7
-6
dB
Input IP3
15.5
17
dBm
TAMB= +25°C, LNA VCC= 3.3V
Current Drain
1.5
3
mA
Power Amplifier
Frequency Range
868
902 to 928
MHz
PA VCC1= PA VCC2= PA BIAS
3.0
4.0
V
PA VREG
2.75
2.85
2.95
V
POUT
31.5
dBm
Saturated power output
Gain
27
30
dB
PA VCC1= PA VCC2= PA BIAS= 4V,
over temperature and frequency
Output Harmonic Levels
2nd
-40
dBc
3rd through 10th
-70
dBc
PA VCC1= PA VCC2= PA BIAS= 4V,
over temperature and frequency
Efficiency
40
%
31.5dBm output, PA VCC1= PA VCC2= PA BIAS, 2.85V VREG
Input Return Loss
9
dB
Output Spurious
-70
dBc
Stability
10:1
All phase angles
7:1
All phase angles, -40°C
Current
Operating
0.7
1.0
A
31.5dBm output, PA VCC1= PA VCC2= PA BIAS, 2.85V VREG
Bias Only
200
mA
Idle current, no RF at input
IREG
2
5
mA
Leakage Current
0.1
0.9
µA
Over VCC, Frequency, and Temperature



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