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RF3865 データシート PDF ( 特性, スペック, ピン接続図 )

部品番号 RF3865
部品説明 HIGH LINEARITY LOW NOISE AMPLIFIER/LINEAR DRIVER
メーカ RF Micro Devices
ロゴ RF Micro Devices ロゴ 
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RF3865 Datasheet, RF3865 PDF,ピン配置, 機能
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RF3865
WIDE BANDWIDTH, HIGH LINEARITY
LOW NOISE AMPLIFIER/LINEAR DRIVER
Package Style: QFN, 20-Pin, 5mmx5mm
Features
„ Low Noise and High Intercept
Point
„ Adjustable Bias Current
„ Single 2.5V to 6.0V Power
Supply
„ 700MHz to 3800MHz Opera-
tion
„ QFN20, 5mmx5mm Package
Applications
„ WiMAX LNA or Linear Driver
„ CDMA, PCS, ECS, UMTS LNA
„ WLAN LNA
„ High Gain Linear Amplifica-
tion
20 19 18 17 16
NC 1
15 NC
NC 2
14 NC
RF IN 3
13 RF OUT
NC 4
12 NC
AC GND1 5
11 AC GND2
6 7 8 9 10
Functional Block Diagram
Product Description
The RF3865 is a low noise amplifier with a high output IP3. The amplifier
is self-biased from a single voltage supply with 50Ω input and output
ports. The useful frequency range is from 700MHz to 3800MHz. A 1dB
noise figure and 36dBm OIP3 performance is achieved with a 5V VDD,
180mA. Current can be increased to raise OIP3 while having minimal
effect on noise figure. The IC is featured in a standard QFN, 20-pin,
5mmx5mm package.
Ordering Information
RF3865
RF3865PCK-410
RF3865PCK-411
Wide Bandwidth, High Linearity Low Noise Amplifier/Linear
Driver
Fully Assembled Evaluation Board with 5 Sample Parts
1.8GHz to 3.8GHz
700MHz to 1100MHz
Optimum Technology Matching® Applied
GaAs HBT
SiGe BiCMOS
9GaAs pHEMT
GaN HEMT
GaAs MESFET
Si BiCMOS
Si CMOS
InGaP HBT
SiGe HBT
Si BJT
RF MICRO DEVICES®, RFMD®, Optimum Technology Matching®, Enabling Wireless Connectivity™, PowerStar®, POLARIS™ TOTAL RADIO™ and UltimateBlue™ are trademarks of RFMD, LLC. BLUETOOTH is a trade-
mark 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. ©2006, RF Micro Devices, Inc.
Rev A0 DS070622
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
1 of 6

1 Page



RF3865 pdf, ピン配列
RF3865
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Pkg
Base
Function
NC
NC
RF IN
NC
AC GND1
NC
INTERSTAGE
OUT
NC
INTERSTAGE
IN
NC
AC GND2
NC
RF OUT
NC
NC
NC
VD2
NC
VD1
NC
GND
Description
Not connected.
Not connected.
RF input pin. 50Ω matched. This pin is DC-blocked.
Not connected.
AC ground. Shunt cap may be added for tuning.
Not connected.
Interstage RF output.
Not connected.
Interstage RF input.
Not connected.
AC ground. Shunt resistor may be added to increase IDD and OIP3.
Not connected.
RF output pin. 50Ω matched. This pin is DC-blocked
Not connected.
Not connected.
Not connected.
Bias voltage. 2.5V to 6.0V applied through bias inductor.
Not connected.
Bias voltage. 2.5V to 6.0V applied through bias inductor.
Not connected.
Ground connection and heat sink.
Package Drawing
2 PLCS
0.10 C A
-A-
5.00 SQ.
2.75 TYP
0.10 C B
2 PLCS
0.90
0.80
0.70
0.60
0.05 C
0.20 REF
0.05
0.00
0.10 C B
2 PLCS
0.10 C A
4.75 SQ.
-B-
2.37 TYP
0.60
0.24
TYP
0.75
0.50
TYP
Dimensions in mm.
12°
MAX
-C-
SEATING
PLANE
0.35
0.23
PIN 1 ID
0.20 R
3.20
3.00
SQ.
0.65
Rev A0 DS070622
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
3 of 6


3Pages


RF3865 電子部品, 半導体
RF3865
40.0
39.5
39.0
38.5
38.0
37.5
37.0
36.5
3.2
5V OIP3 versus Temperature
3.3 3.4 3.5 3.6 3.7
Frequency (GHz)
-40
25
85
3.8 3.9
24.5
24.4
24.3
24.2
24.1
24.0
23.9
23.8
23.7
23.6
23.5
23.4
23.3
23.2
3.2
5V P1dB versus Temperature
-40
25
85
3.3 3.4 3.5 3.6 3.7 3.8 3.9
Frequency (GHz)
6 of 6
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
Rev A0 DS070622

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