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PDF AD8344 Data sheet ( Hoja de datos )
| Número de pieza | AD8344 | |
| Descripción | 400MHz to 1.2GHz Active Receive Mixer | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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Preliminary Technical Data
FEATURES
Broadband RF Port: 400 MHz – 1.2 GHz
Conversion Gain: 4 dB
Noise Figure: 11 dB
Input IP3: +24 dBm
Input P1dB: +8 dBm
LO Drive: 0 dBm
External Control of Mixer Bias for Low Power Operation
Single-ended, 50Ω RF and LO Input Ports
Single Supply Operation: 5 V @ 90 mA
Power Down Mode
Exposed Paddle Chip Scale Package: 3 x 3 mm
APPLICATIONS
Cellular Base Station Receivers
ISM Receivers
Radio Links
RF Instrumentation
GENERAL DESCRIPTION
The AD8344 is a high-performance, broadband active mixer. It
is well suited for demanding receive-channel applications that
require wide bandwidth on all ports and very low inter-
modulation distortion and noise figure.
The AD8344 provides a typical conversion gain of 3dB at
900MHz. The integrated LO driver supports a 50-Ω input
impedance with a low LO drive level, helping to minimize
external component count.
The single-ended 50-Ohm broadband RF port allows for easy
interfacing to both active devices and passive filters. The RF
input accepts input signals as large as 1.8Vpp or 9dBm (re: 50 Ω)
at P1dB.
Active Receive Mixer
400 MHz – 1.2 GHz
AD8344
VPDC PWDN EXRB COMM
12 11 10 9
COMM 13
BIAS
8 COMM
RFCM 14
7 IFOP
RFIN 15
6 IFOM
VPMX 16
5 COMM
12 34
VPLO LOCM LOIN COMM
The open-collector differential outputs provide excellent
balance, and can be used with a differential filter or IF amplifier
such as the AD8369 or AD8351. These outputs may also be
converted to a single-ended signal through the use of a
matching network or a transformer (balun). When centered on
the VPOS supply voltage, the outputs may swing +/-2Vdiff.
The AD8344 is fabricated on Analog Devices proprietary, high
performance SiGe IC process. The AD8344 is available in a 16
lead CSP package. It operates over a –40°C to +85°C
temperature range. An evaluation board is available.
Rev. PrG
Information furnished by Analog Devices is believed to be accurate and reliable.
However, no responsibility is assumed by Analog Devices for its use, nor for any
infringements of patents or other rights of third parties that may result from its use.
Specifications subject to change without notice. No license is granted by implication
or otherwise under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective companies.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.326.8703 © 2004 Analog Devices, Inc. All rights reserved.
1 page  
Preliminary Technical Data
AwBwwS.DOaLtaUShTeEet4UM.cAomXIMUM RATINGS
Table 2. AD8344 Absolute Maximum Ratings
Parameter
Supply Voltage VS
RF Input Level
LO Input Level
PWDN Pin
IFOP, IFOM Bias Voltage
Min. Resistor from EXRB to COMM
Internal Power Dissipation
θJA
Maximum Junction Temperature
Operating Temperature Range
Storage Temperature Range
Lead Temperature Range (Soldering 60 sec)
Rating
5.5 V
+12 dBm
+12 dBm
5.5 V
5.5 V
2kΩ
TBD mW
TBD °C/W
125 °C
–40°C to +85°C
–65°C to +150°C
300°C
AD8344
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
Rev. PrG | Page 5 of 11
5 Page 
Preliminary Technical Data
OwUwwT.DLaItNaSEheeDt4IUM.coEmNSIONS
AD8344
Figure 2. 16-Lead Lead Frame Chip Scale Package
ESD CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the
human body and test equipment and can discharge without detection. Although the AD8344 features
proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy
electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance
degradation or loss of functionality.
Table 5. Ordering Guide
AD8344 Products
Temperature Package
AD8344ACPZ
–40°C to +85°C
AD8344-EVAL
Package Description
16-Lead LFCSP
Evaluation Board
Package Outline Branding
CP-16-3
© 2004 Analog Devices, Inc. All rights reserved. Trademarks and
registered trademarks are the property of their respective companies.
PR04826-0-3/04(PrG)
Rev. PrG | Page 11 of 11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet AD8344.PDF ] | |
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