RF2681 データシートの表示（PDF） - RF Micro Devices

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RF2681

W-CDMA LINEAR VARIABLE GAIN DRIVER AMPLIFIER

RF Micro Devices 

Preliminary

4

RF2681

W-CDMA LINEAR VARIABLE GAIN

DRIVER AMPLIFIER

Typical Applications

• PA Driver Amplifier for W-CDMA Handsets • General Purpose Driver Amplifier

Product Description

1.00

0.85

3.00

0.80

sq.

The RF2681 is a linear variable gain amplifier specifically

0.65

0.60

designed for PA driver applications in W-CDMA handsets.

0.24 typ

4

0.65

0.30

4 PLCS

The device maintains excellent linearity over a 30dB gain

control range, while providing a maximum of 26dB gain.

The IC is manufactured on an advanced Gallium Ars-

2

0.30

0.18

10..2955sq.

enide Heterojunction Bipolar Transistor Process and is

provided in an extremely small 3mmx3mm, 12-pin, lead-

less chip carrier.

12°

max

0.05

0.01

0.75

0.50

0.50

0.23

0.13

4 PLCS

Dimensions in mm.

NOTES:

1 Shaded Pin is Lead 1.

2 Dimension applies to plated terminal and is measured between 0.02 mm and

0.25 mm from terminal end.

3 Pin 1 identifier must exist on top surface of package by identification mark or

feature on the package body. Exact shape and size is optional.

4 Package Warpage: 0.05 mm max.

5 Die thickness allowable: 0.305 mm max.

Optimum Technology Matching® Applied

Si BJT

üGaAs HBT

GaAs MESFET

Si Bi-CMOS

SiGe HBT

Si CMOS

12 11 10

VCC1 1

9 GND

VREG 2

8 GND

VCC2 3

7 GND

456

Package Style: LCC, 12-Pin, 3x3

Features

• 30dB Linear Gain Control Range

• 26dB Maximum Gain

• Single 2.7V to 3.3V Supply

• High Linearity Over Entire Gain Control

Range

• 9dBm Output Drive Available

Ordering Information

RF2681

W-CDMA Linear Variable Gain Driver Amplifier

RF2681 PCBA Fully Assembled Evaluation Board

Functional Block Diagram

RF Micro Devices, Inc.

7628 Thorndike Road

Greensboro, NC 27409, USA

Tel (336) 664 1233

Fax (336) 664 0454

http://www.rfmd.com

Rev A1 010824

4-43

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