RF2451PCBA 데이터 시트보기 (PDF) - RF Micro Devices

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RF2451PCBA

3V LOW NOISE AMPLIFIER

RF Micro Devices 

4

Typical Applications

• GSM Handsets

• CDMA Handsets

• TDMA Handsets

RF2451

3V LOW NOISE AMPLIFIER

• IF or RF Buffer Amplifiers

• Driver Stage for Power Amplifiers

• Oscillator Loop Amplifiers

Product Description

S The RF2451 is a general purpose, low-cost, high perfor-

mance low noise amplifier designed for operation from a

N 2.7V to 4V supply with low current consumption. The

attenuation of the device is controlled when in power

G down mode, providing a known gain step. The RF2451 is

I available in a small industry-standard MSOP-8 surface

mount package, enabling compact designs which con-

S 1 serve board space. The design features accurate PTAT

E 7 (Proportional To Absolute Temperature) biasing scheme

D 23 using band gap cells.

.120

.116

.196

.190

1

10°MAX

0°MIN

.120

.116

.016

.010

.026

.027

.009

.017

.005

.006

.002

.036

.032

EW ct RF Optimum Technology Matching® Applied

u Si BJT

GaAs HBT

GaAs MESFET

! N d Si Bi-CMOS

SiGe HBT

Si CMOS

FORded Pro RFOUT 1

a ISET 2

T gr VCC 3

NSOee Up ENABLE 4

Bias Circuits

8 RF IN

7 GND1

6 GND2

5 IPSET

Package Style: MSOP-8

Features

• 700MHz to 2000MHz Operation

• 2.7V to 3.6V Single Supply

• +5dBm Input IP3 at 3.0mA

• 12dB Gain at 1950MHz

• 1.8dB Noise Figure at 1950MHz

• 17dB Gain Step

Ordering Information

RF2451

3V Low Noise Amplifier

RF2451 PCBA Fully Assembled Evaluation Board

4

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

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