파트넘버.co.kr RF3858 데이터시트 PDF


RF3858 반도체 회로 부품 판매점

3.0 V TO 4.2V ISM BAND TRANSMIT/RECEIVE MODULE



RF Micro Devices 로고
RF Micro Devices
RF3858 데이터시트, 핀배열, 회로
RF3858
3.0 V TO 4.2V, ISM BAND TRANSMIT/RECEIVE
MODULE WITH DIVERSITY TRANSFER SWITCH
Package: LGA, 32-pin, 8mm x 8mm x 1.2mm
Features
Integrated LNA, PA and Transfer Switch
Small From Factor 8.0mm x 8.0mm x
1.2mm
50Inputs and Outputs
Low Insertion Loss, High Isolation
Transfer Switch
31.5dBm PA Output Power
Low PA Harmonic Content
Applications
868MHz/900MHz ISM Band Application
Single Chip RF Front End Module
Portable Battery Powered Equipment
Wireless Automatic Metering Applications
Functional Block Diagram
Product Description
The RF3858 is a single-chip front-end module (FEM) for applications in the
868MHz/900MHz Band. The RF3858 addresses the need for aggressive size reduction for
typical portable equipment RF front-end design and greatly reduces the number of
components outside of the core chipset thus minimizing the footprint and assembly cost of
the overall solution. The RF 3858 contains an integrated 1 Watt PA, TX/RX transfer switch,
LNA with bypass mode, and matching components. The RF3858 is packaged in a 32-pin,
8.0mm x 8.0mm x 1.2mm over molded laminated package with backside ground which
greatly minimizes next level board space and allow for simplified integration .
GaAs HBT
GaAs MESFET
InGaP HBT
Optimum Technology Matching® Applied
SiGe BiCMOS
GaAs pHEMT
Si BiCMOS
Si CMOS
SiGe HBT
Si BJT
GaN HEM
RF MEMS
LDMOS
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
1 of 11
Support, contact RFMD at (+1) 336-678-5570 or [email protected]


RF3858 데이터시트, 핀배열, 회로
Absolute Maximum Ratings
Overall
Parameter
DC Supply Voltage
Operating Ambient Temperature
Storage Temperature
Low Noise Amplifier
DC Supply Current
Input RF Power
Power Amplifier
DC Supply Current
Input RF Power
Transmit/Receive Switch
Input RF Power
RF3858
3.0 V TO 4.2V, ISM BAND TRANSMIT/RECEIVE
MODULE WITH DIVERSITY TRANSFER SWITCH
Rating
+5.0
-40 to +85
-40 to +150
32
5
1200
10
33
Unit
V
°C
°C
mA
dBm
mA
dBm
dBm
Parameter
Low Noise Amplifier
Frequency Range
High Gain Mode
Gain
Noise Figure
Input IP3
Input Gain Compression
Input Return Loss
Output Return Loss
LNA Operating Current
LNA Enable
Stability, Input VSWR
Output Spurious
Low Gain Mode
Gain
Input IP3
Current Drain
Power Amplifier
Frequency Range
PA VCC1= PA VCC2= PA BIAS
PA VREG
POUT
Gain
Output Harmonic Levels
2nd
3rd through 10th
Efficiency
Input Return Loss
Output Spurious
Stability
Current
Operating
Bias Only
IREG
Leakage Current
Specification
Min. Typ. Max.
868 902 to 928
17 21 23.5
1.3 1.5
-4.5 -1
-15
-8 -5
-8 -6
15
1
10:1
-70
-7
15.5
-6
17
1.5
3
868
3.0
2.75
27
902 to 928
4.0
2.85
31.5
30
2.95
-40
-70
40
9
-70
10:1
7:1
0.7 1.0
200
25
0.1 0.9
Unit Condition
MHz
dB
dB
dBm
dBm
dB
dB
mA
mA
dBc
dB
dBm
mA
MHz
V
V
dBm
dB
dBc
dBc
%
dB
dBc
A
mA
mA
µA
Over LNA VCC, LNA VREF, Temperature, and Frequency
LNA VREF= LNA VCC= 3.3V
TAMB= +25°C, LNA VCC= 3.3V
LNA VREF= LNA VCC= 3.3V
All phase angles
Gain Select>1.8V
TAMB= +25°C, LNA VCC= 3.3V
Saturated power output
PA VCC1= PA VCC2= PA BIAS= 4V,
over temperature and frequency
PA VCC1= PA VCC2= PA BIAS= 4V,
over temperature and frequency
31.5dBm output, PA VCC1= PA VCC2= PA BIAS, 2.85V VREG
All phase angles
All phase angles, -40°C
31.5dBm output, PA VCC1= PA VCC2= PA BIAS, 2.85V VREG
Idle current, no RF at input
Over VCC, Frequency, and Temperature
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
2 of 11
Support, contact RFMD at (+1) 336-678-5570 or [email protected]




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