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RF2451 参数 Datasheet PDF下载

RF2451图片预览
型号: RF2451
PDF下载: 下载PDF文件 查看货源
内容描述: 3V低噪声放大器 [3V LOW NOISE AMPLIFIER]
分类和应用: 放大器
文件页数/大小: 6 页 / 84 K
品牌: RFMD [ RF MICRO DEVICES ]
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RF2451
4
Typical Applications
• GSM Handsets
• CDMA Handsets
• TDMA Handsets
• IF or RF Buffer Amplifiers
• Driver Stage for Power Amplifiers
• Oscillator Loop Amplifiers
3V LOW NOISE AMPLIFIER
D
R
E
F2
S
37
IG
1
N
S
Product Description
4
.006
.002
The RF2451 is a general purpose, low-cost, high perfor-
mance low noise amplifier designed for operation from a
2.7V to 4V supply with low current consumption. The
attenuation of the device is controlled when in power
down mode, providing a known gain step. The RF2451 is
available in a small industry-standard MSOP-8 surface
mount package, enabling compact designs which con-
serve board space. The design features accurate PTAT
(Proportional To Absolute Temperature) biasing scheme
using band gap cells.
.196
.190
1
.016
.010
.120
.116
.026
.120
.116
.036
.032
10°MAX
0°MIN
.027
.017
.009
.005
Optimum Technology Matching® Applied
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ro
E
du
W
ct
Package Style: MSOP-8
!
Si Bi-CMOS
Si BJT
GaAs HBT
SiGe HBT
GaAs MESFET
Si CMOS
Features
• 700MHz to 2000MHz Operation
• 2.7V to 3.6V Single Supply
• +5dBm Input IP
3
at 3.0mA
• 12dB Gain at 1950MHz
• 1.8dB Noise Figure at 1950MHz
• 17dB Gain Step
FO
ad
R
e
RF OUT 1
ISET 2
VCC 3
N
S
ee
O
T
U
pg
r
Bias Circuits
5 IPSET
ENABLE 4
d
8 RF IN
7 GND1
6 GND2
Ordering Information
RF2451
RF2451 PCBA
3V Low Noise Amplifier
Fully Assembled Evaluation Board
Functional Block Diagram
RF Micro Devices, Inc.
7625 Thorndike Road
Greensboro, NC 27409, USA
Tel (336) 664 1233
Fax (336) 664 0454
http://www.rfmd.com
Rev A8 000822
4-247
GENERAL PURPOSE
AMPLIFIERS