ADL5721 Datasheet PDF - Analog Devices
| Part Number | ADL5721 | |
| Description | Low Noise Amplifier | |
| Manufacturers | Analog Devices | |
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Data Sheet
5.9 GHz to 8.5 GHz, Low Noise Amplifier
ADL5721
FEATURES
Frequency range: 5.9 GHz to 8.5 GHz
Typical gain of 25 dB
Low noise input
Noise figure: <1.7 dB typical from 5.9 GHz to 8.5 GHz
High linearity input
>4.0 dBm typical input third-order intercept (IIP3)
>−10.6 dBm typical input 1 dB compression point (P1dB)
Matched 50 Ω single-ended input
Matched 100 Ω differential outputs
8-lead, 2.00 mm × 2.00 mm LFCSP microwave packaging
APPLICATIONS
Point to point microwave radios
Instrumentation
Satellite communications (SATCOM)
Phased arrays
FUNCTIONAL BLOCK DIAGRAM
VCC1
50Ω GND
SINGLE-ENDED
INPT
RBIAS
ADL5721
VCC2
OUTN 100Ω
DIFFERENTIAL
OUTP
BAND
Figure 1.
GENERAL DESCRIPTION
The ADL5721 is a narrow-band, high performance, low noise
amplifier targeting microwave radio link receiver designs. The
monolithic silicon germanium (SiGe) design is optimized for
microwave radio link bands ranging from 5.9 GHz to 8.5 GHz.
The unique design offers a single-ended 50 Ω input impedance
and provides a 100 Ω balanced differential output that is ideal
for driving Analog Devices, Inc., differential downconverters
and radio frequency (RF) sampling analog-to-digital converters
(ADCs). This low noise amplifier (LNA) provides noise figure
performance that, in the past, required more expensive three-
five (III-V) compounds process technology to achieve. This
LNA uses a band switch feature to allow the input P1dB and
noise figure to trade off for optimum system performance.
The ADL5721 and ADL5723 to ADL5726 family of narrow-
band LNAs are each packaged in a tiny, thermally enhanced,
2.00 mm × 2.00 mm LFCSP package. The ADL5721 and
ADL5723 to ADL5726 family operates over the temperature
range of −40°C to +85°C.
Rev. 0
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responsibilityisassumedbyAnalogDevices for itsuse,nor foranyinfringementsofpatentsor 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.
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One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
©2016 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
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ADL5721
ABSOLUTE MAXIMUM RATINGS
Table 3.
Parameter
Supply Voltages
VCC1
VCC2
Maximum Junction Temperature
Operating Temperature Range
Storage Temperature Range
Lead Temperature Range (Soldering 60 sec)
Rating
2.25 V
4.1 V
150°C
−40°C to +85°C
−55°C to +125°C
−65°C to +150°C
Stresses at or above those listed under Absolute Maximum
Ratings may cause permanent damage to the product. This is a
stress rating only; functional operation of the product at these
or any other conditions above those indicated in the operational
section of this specification is not implied. Operation beyond
the maximum operating conditions for extended periods may
affect product reliability.
Data Sheet
THERMAL RESISTANCE
θJA is thermal resistance, junction to ambient (°C/W), θJB is
thermal resistance, junction to board (°C/W), and θJC is thermal
resistance, junction to case (°C/W).
Table 4. Thermal Resistance
Package Type
θJA1
θJB1
θJC1 Unit
8-Lead LFCSP
39.90
23.88
3.71 °C/W
1 See JEDEC standard JESD51-2 for additional information on optimizing the
thermal impedance for a printed circuit board (PCB) with 3 × 4 vias.
ESD CAUTION
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| Information | Total 16 Pages | |
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