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RF2681 Datasheet

  • RF2681

  • W-CDMA LINEAR VARIABLE GAIN DRIVER AMPLIFIER

  • 8頁(yè)

  • RFMD

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Preliminary
4
Typical Applications
鈥?PA Driver Amplifier for W-CDMA Handsets
RF2681
W-CDMA LINEAR VARIABLE GAIN
DRIVER AMPLIFIER
鈥?General Purpose Driver Amplifier
Product Description
The RF2681 is a linear variable gain amplifier specifically
designed for PA driver applications in W-CDMA handsets.
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-
enide Heterojunction Bipolar Transistor Process and is
provided in an extremely small 3mmx3mm, 12-pin, lead-
less chip carrier.
0.80
0.65
1.00
0.85
0.60
0.24 typ
4 PLCS
2
0.30
0.18
1.25
sq.
0.95
12擄
max
0.05
0.01
0.75
0.50
0.50
0.23
0.13
4 PLCS
Dimensions in mm.
NOTES:
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.
Pin 1 identifier must exist on top surface of package by identification mark or
3
feature on the package body. Exact shape and size is optional.
1
4
5
Package Warpage: 0.05 mm max.
Die thickness allowable: 0.305 mm max.
Optimum Technology Matching廬 Applied
Si BJT
Si Bi-CMOS
眉
GaAs HBT
SiGe HBT
Package Style: LCC, 12-Pin, 3x3
GaAs MESFET
Si CMOS
Features
鈥?30dB Linear Gain Control Range
鈥?26dB Maximum Gain
鈥?Single 2.7V to 3.3V Supply
鈥?High Linearity Over Entire Gain Control
12
VCC1 1
VREG 2
VCC2 3
4
PD
11
10
9 GND
8 GND
7 GND
RF OUT
GC
NC
Range
鈥?9dBm Output Drive Available
5
NC
6
RF IN
Ordering Information
RF2681
RF2681 PCBA
W-CDMA Linear Variable Gain Driver Amplifier
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
GENERAL PURPOSE
AMPLIFIERS
3.00
sq.
4
0.65
0.30

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