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ADRF5740 Datasheet

Silicon Digital Attenuator

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Data Sheet
2 dB LSB, 4-Bit, Silicon Digital Attenuator,
10 MHz to 60 GHz
ADRF5740
FEATURES
Ultrawideband frequency range: 10 MHz to 60 GHz
Attenuation range: 2 dB steps to 22 dB
Low insertion loss
1.4 dB up to 20 GHz
2.2 dB up to 44 GHz
3.3 dB up to 55 GHz
Attenuation accuracy
±(0.1 + 1.0% of state) up to 20 GHz
±(0.2 + 3.0% of state) up to 44 GHz
±(0.2 + 7.0% of state) up to 55 GHz
Typical step error
±0.30 dB up to 20 GHz
±0.50 dB up to 44 GHz
±0.60 dB up to 55 GHz
High input linearity
P0.1dB: 25.5 dBm typical
IP3: 45 dBm typical
High RF input power handling: 24 dBm average, 24 dBm peak
Tight distribution in relative phase
No low frequency spurious signals
Parallel mode control, CMOS and LVTTL compatible
RF amplitude settling time (0.1 dB of final RF output): 175 ns
16-terminal, 2.5 mm × 2.5 mm, RoHS compliant LGA package
APPLICATIONS
Industrial scanners
Test and instrumentation
Cellular infrastructure: 5G millimeter wave
Military radios, radars, electronic counter measures (ECMs)
Microwave radios and very small aperture terminals (VSATs)
GENERAL DESCRIPTION
The ADRF5740 is a silicon, 4-bit digital attenuator with 22 dB
attenuation control range in 2 dB steps.
The ADRF5740 operates from 10 MHz to 60 GHz with less than
3.3 dB of insertion loss and with ±(0.2 + 7.0% of attenuation state)
of attenuation accuracy at 55 GHz. The ATTIN port of the
ADRF5740 has an RF input power handling capability of 24 dBm
average and 24 dBm peak for all states.
FUNCTIONAL BLOCK DIAGRAM
16 15 14 13
D4 1
D5 2
GND 3
ATTIN 4
PARALLEL
INTERFACE
4-BIT DIGITAL
ATTENUATOR
12 VDD
11 VSS
10 GND
9 ATTOUT
5678
Figure 1.
PACKAGE
BASE
GND
The ADRF5740 requires a dual supply voltage of +3.3 V and
−3.3 V. The ADRF5740 features parallel mode control, and
CMOS- and low voltage transistor to transistor logic (LVTTL)-
compatible controls.
The ADRF5740 RF ports are designed to match a characteristic
impedance of 50 Ω. The ADRF5740 comes in a 16-terminal,
2.5 mm × 2.5 mm, RoHS compliant, land grid array (LGA)
package and operates from −40°C to +105°C.
Rev. 0
Document Feedback
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 owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
©2020 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com


Analog Devices Semiconductor Electronic Components Datasheet

ADRF5740 Datasheet

Silicon Digital Attenuator

No Preview Available !

ADRF5740
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ...................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications .................................................................................... 3
Electrical Specifications ............................................................... 3
Timing Specifications .................................................................. 4
Absolute Maximum Ratings ....................................................... 5
Electrostatic Discharge (ESD) Ratings ...................................... 5
Thermal Resistance ...................................................................... 5
Power Derating Curves ............................................................... 5
ESD Caution.................................................................................. 5
Pin Configuration and Function Descriptions ............................ 6
Interface Schematics .................................................................... 6
Typical Performance Characteristics............................................. 7
REVISION HISTORY
6/2020—Revision 0: Initial Version
Data Sheet
Insertion Loss, Return Loss, State Error, Step Error, and
Relative Phase ................................................................................7
Input Power Compression and Third-Order Intercept ..........9
Theory of Operation ...................................................................... 10
Power Supply .............................................................................. 10
RF Input and Output ................................................................. 10
Parallel Mode Interface ............................................................. 11
Applications Information ............................................................. 12
Layout Considerations .............................................................. 12
Board Layout............................................................................... 12
RF and Digital Controls ............................................................ 12
Packaging and Ordering Information......................................... 13
Outline Dimensions................................................................... 13
Ordering Guide .......................................................................... 13
Rev. 0 | Page 2 of 13


Part Number ADRF5740
Description Silicon Digital Attenuator
Maker Analog Devices
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