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RF2489_07 Datasheet

  • RF2489_07

  • DUAL-BAND/TRI-MODE CDMA LOW NOISE AMPLIFIER/MIXER

  • 30頁(yè)

  • RFMD

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RF2489
DUAL-BAND/TRI-MODE CDMA
LOW NOISE AMPLIFIER/MIXER
NOT FOR NEW DESIGNS
RoHS Compliant & Pb-Free Product
Package Style: QFN, 32-Pin, 5x5
CELL MIX IN
BAND SEL
IP SET
IF SEL
ISET2
32
FM+
1
31
30
29
28
27
26
25
24
CELL LNA OUT
Features
30dB of Stepped LNA/Mixer
Gain Control
Adjustable Mixer & LNA Bias
Current/IIP3
A Divide-by-2 Prescaler
Meets IMD Tests with Three
Gain States/Two Logic Con-
trol Lines
Integrated TX LO Buffer Ampli-
fiers
FM-
2
ISET1
23
VCC1
GND
CELL LNA EMITTER
CDMA+
3
22
CELL LNA IN
CDMA-
4
SI
GN
S
/2
21
GND
/2 SELECT
5
20
PCS LNA IN
LO IN
6
19
GND
PCS LO OUT
7
18
VCC2
CELL LO OUT
8
17
PCS LNA OUT
9
10
ENABLE
11
TX BUFF ENABLE
12
GND
13
PCS MIX IN
14
MIX GAIN
15
LNA GAIN
16
GND
Applications
CDMA/Cellular/PCS Hand-
sets
CDMA Cellular/GPS Handsets
JCDMA/GPS Handsets
CDMA Modem/Data Cards
Commercial and Consumer
Systems
Portable Battery-Powered
Equipment
NO
T
FO
R
NE
Product Description
The RF2489 is a high performance CDMA dual-band/tri-mode integrated
LNA/mixer. The device is designed to meet all IS-98 sensitivity, intermodu-
lation and single-tone requirements. The operating voltage is 2.7V and is
compatible with 1.8V logic for control lines. The RF2489 integrates the
dual-band LNA/downconverters with 30dB of gain control and TX LO buff-
ers. Additionally, a divide-by-2 prescaler to allow the use of a single-band
VCO is integrated. The design is flexible, in that the bias currents may be
set using off-chip current reference resistors for both the LNA and mixer
blocks. The device is packaged in a 5mmx5mm leadless plastic package.
Ordering Information
RF2489
RF2489
RF2489PCBA-41X
Dual-Band/Tri-Mode CDMA Low Noise Amplifier/Mixer
Dual-Band/Tri-Mode JCDMA/GPS LNA/Mixer
Fully Assembled Evaluation Board
GaAs HBT
GaAs MESFET
InGaP HBT
W
DE
VCC3
Functional Block Diagram
Optimum Technology Matching廬 Applied
SiGe BiCMOS
Si BiCMOS
SiGe HBT
GaAs pHEMT
Si CMOS
Si BJT
GaN HEMT
RF MICRO DEVICES廬, RFMD廬, Optimum Technology Matching廬, Enabling Wireless Connectivity鈩? PowerStar廬, POLARIS鈩?TOTAL RADIO鈩?and UltimateBlue鈩?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. 漏2006, RF Micro Devices, Inc.
Rev A21 DS070308
7628 Thorndike Road, Greensboro, NC 27409-9421 路 For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
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