파트넘버.co.kr RF2878 데이터시트 PDF


RF2878 반도체 회로 부품 판매점

3V LOW NOISE AMPLIFIER/ 3V PA DRIVER AMPLIFIER



RF Micro Devices 로고
RF Micro Devices
RF2878 데이터시트, 핀배열, 회로
www.DataSheet4U.com
RF2878
0
RoHS Compliant & Pb-Free Product
Typical Applications
3V LOW NOISE AMPLIFIER/
3V PA DRIVER AMPLIFIER
• TDMA/CDMA/FM Cellular PCS LNA
• Low Noise Transmit Driver Amplifier
• General Purpose Amplification
• Commercial and Consumer Systems
Product Description
The RF2878 is a low noise amplifier with a very high
dynamic range designed for digital cellular applications.
The device functions as an outstanding front end low
noise amplifier or power amplifier driver amplifier in the
transmit chain of digital subscriber units where low trans-
mit noise power is a concern. When used as an LNA, the
bias current can be set externally. When used as a PA
driver, the IC can operate directly from a single cell Li-ion
battery and includes a power down feature that can be
used to completely turn off the device. The IC is featured
in a standard SOT 5-lead plastic package.
NOTE: The RF2878 is a Pb-free product. If a non-Pb-free
product with the same functionality and package is
desired, please see the RF2361.
1.60
+ 0.01
2.90
+ 0.10 0.950
1
0.400
0.15
0.05
3° MAX
0° MIN
2.80
+ 0.20
0.127
0.45
+ 0.10
1.44
1.04
Dimensions in mm.
Optimum Technology Matching® Applied
Si BJT
9GaAs HBT
GaAs MESFET
Si Bi-CMOS
SiGe HBT
Si CMOS
InGaP/HBT
GaN HEMT
SiGe Bi-CMOS
RF IN 1
GND1 2
5 GND2
Package Style: SOT 5-Lead
Features
• Low Noise and High Intercept Point
• Adjustable Bias Current
• Power Down Control
• Single 2.5V to 6.0V Power Supply
• 150MHz to 2500MHz Operation
• Extremely Small SOT 5-Lead Package
VPD 3
4 RF OUT
Functional Block Diagram
Ordering Information
RF2878
3V Low Noise Amplifier/ 3V PA Driver Amplifier
RF2878 PCBA-D Fully Assembled Evaluation Board (Driver)
RF2878 PCBA-L Fully Assembled Evaluation Board (LNA)
RF Micro Devices, Inc.
7628 Thorndike Road
Greensboro, NC 27409, USA
Tel (336) 664 1233
Fax (336) 664 0454
http://www.rfmd.com
Rev A0 060206
4-331


RF2878 데이터시트, 핀배열, 회로
RF2878
Absolute Maximum Ratings
Parameter
Supply Voltage, VCC
Power Down Voltage, VPD
Input RF Level
Operating Ambient Temperature
Storage Temperature
Rating
-0.5 to +8.0
< VCC
+10
-40 to +85
-40 to +150
Unit
VDC
VDC
dBm
°C
°C
Caution! ESD sensitive device.
RF Micro Devices believes the furnished information is correct and accurate
at the time of this printing. RoHS marking based on EUDirective2002/95/EC
(at time of this printing). However, RF Micro Devices reserves the right to
make changes to its products without notice. RF Micro Devices does not
assume responsibility for the use of the described product(s).
Parameter
Overall
RF Frequency Range
Low Noise Amplifier
881MHz Performance
Gain
Noise Figure
Input IP3
Low Noise Amplifier
1950MHz Performance
Gain
Noise Figure
Input IP3
Driver Amplifier
836MHz Performance
Gain
Output IP3
Noise Figure
Reverse Isolation
Input VSWR
Output VSWR
P1dB
Specification
Min.
Typ.
Max.
150 to 2500
19.5 20
19.5 20
1.4
1.4
+ 6.0
+ 5.5
1.6
1.6
12.5 13
12.5 13
1.3
1.3
+ 16.5
+ 16.0
1.5
1.5
19.5 20.5 21.5
19.5 20.5 21.5
19.5 20.5 21.5
25 +32.0 35
+29.0
+27.8
1.9 2.0
1.85 2.0
1.8 2.0
25
25
25
1.8 :1
1.25 :1
2.0 :1
2.0 :1
13 14.4
12 12.5
10.5 11.5
Unit Condition
MHz
dB
dB
dB
dB
dBm
dBm
dB
dB
dB
dB
dBm
dBm
dB
dB
dB
dBm
dBm
dBm
dB
dB
dB
dB
dB
dB
dBm
dBm
dBm
Schematic per LNA Application;
T=25°C, RF=881MHz, VPD=2.8V,
R1 = 1k Ω
VCC=3.0V, ICC=7.6mA
VCC=2.7V, ICC=7.5mA
VCC=3.0V, ICC=7.6mA
VCC=2.7V, ICC=7.5mA
VCC=3.0V, ICC=7.6mA
VCC=2.7V, ICC=7.5mA
Schematic per LNA Application;
T=25°C, RF=1950MHz, VPD=2.8V,
R1 = 1k Ω
VCC=3.0V, ICC=6.4mA
VCC=2.7V, ICC=6.3mA
VCC=3.0V, ICC=6.4mA
VCC=2.7V, ICC=6.3mA
VCC=3.0V, ICC=6.4mA
VCC=2.7V, ICC=6.3mA
Schematic per Driver Amplifier Application;
T=25°C, RF=836MHz, VPD=2.8V
VCC = 3.5V
VCC = 3.0 V
VCC = 2.7 V
VCC = 3.5 V
VCC = 3.0 V
VCC = 2.7 V
VCC = 3.5 V
VCC = 3.0 V
VCC = 2.7 V
VCC = 3.5 V
VCC = 3.0 V
VCC = 2.7 V
Using External LC network used on evalua-
tion board.
VCC = 3.5 V
VCC = 3.0 V
VCC = 2.7V
4-332
Rev A0 060206




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RF2878 amplifier

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