0.1 GHz to 33 GHz,1 dB LSB, 5-Bit, GaAs Digital Attenuator Data Sheet HMC939ALP4E FEATURES FUNCTIONAL BLOCK DIAGRAM Attenuation range: 1 dB LSB steps to 31 dB 24 23 22 21 20 19 Insertion loss: 6 dB typical at 33 GHz Attenuation accuracy: 0.5 dB typical VSS 1 18 VDD Input linearity 0.1 dB compression (P0.1dB): 24 dBm typical NIC 2 17 NIC Third-order intercept (IP3): 40 dBm typical NIC 3 16 NIC Power handling: 27 dBm DRIVER Dual-supply operation: 5 V 2dB 4dB 8dB 16dB NIC 4 15 NIC CMOS-/TTL-compatible parallel control 24-lead, 4 mm 4 mm LFCSP package RF1 5 14 RF2 APPLICATIONS NIC 6 13 NIC Test instrumentation 7 89 10 11 12 Microwave radios and very small aperture terminals (VSATs) PACKAGE Military radios, radars, electronic counter measures (ECMs) BASE Broadband telecommunications systems GND NIC = NO INTERNAL CONNECTION Figure 1. GENERAL DESCRIPTION The HMC939ALP4E is a 5-bit digital attenuator with a 31 dB The HMC939ALP4E requires dual supply voltages, VDD = +5 V attenuation control range in 1 dB steps. and VSS = 5 V, and provides CMOS-/TTL-compatible parallel control interface by incorporating an on-chip driver. The HMC939ALP4E offers optimum insertion loss, attenuation accuracy, and input linearity over the specified frequency range The HMC939ALP4E comes in a RoHS compliant, compact, from 100 MHz to 33 GHz. 4 mm 4 mm LFCSP package. See HMC939A-DIE for the die version of HMC939ALP4E. Rev. D 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 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. rights of third parties that may result from its use. Specifications subject to change without notice. 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NIC P0 NIC P1 NIC P2 NIC P3 NIC P4 NIC NIC 13920-001HMC939ALP4E Data Sheet TABLE OF CONTENTS Features .............................................................................................. 1 Insertion Loss, Return Loss, State Error, Step Error, and Relative Phase ................................................................................6 Applications ....................................................................................... 1 Input Power Compression and Third-Order Intercept ............8 Functional Block Diagram .............................................................. 1 Theory of Operation .........................................................................9 General Description ......................................................................... 1 Power Supply ..................................................................................9 Revision History ............................................................................... 2 RF Input and Output ....................................................................9 Specif icat ions ..................................................................................... 3 Applications Information .............................................................. 10 Absolute Maximum Ratings ............................................................ 4 Evaluation Board ........................................................................ 10 Thermal Resistance ...................................................................... 4 Outline Dimensions ....................................................................... 11 ESD Caution .................................................................................. 4 Ordering Guide .......................................................................... 11 Pin Configuration and Function Descriptions ............................. 5 Interface Schematics..................................................................... 5 Typical Performance Characteristics ............................................. 6 REVISION HISTORY 5/2018Rev. C to Rev. D Added Theory of Operation Section, RF Input and Output Section, Changed + 27 V to 27 dBm in Rating Column, Table 2 .............. 4 and Power Supply Section ........................................................................ 9 Change to Ordering Guide ............................................................ 11 Changes to Figure 22 ............................................................................... 10 Changes to Ordering Guide ................................................................... 11 8/2017Rev. 02.0417 to Rev. C This Hittite Microwave Products data sheet has been reformatted to meet the styles and standards of Analog Devices, Inc. Changed N/C to NIC ............................................................ Throughout Changes to Features Section, Applications Section, and General Description Section ................................................................................... 1 Changes to Table 1 ..................................................................................... 3 Changes to Table 2 and Added Thermal Resistance Section ............ 4 Added Table 3 Renumbered Sequentially ............................................ 4 Changes to Table 4 ..................................................................................... 5 Changes to Figure 5 Caption through Figure 10 Caption ................. 6 Changes to Figure 11 Caption through Figure 14 Caption ............... 7 Changes to Figure 15 Caption through Figure 20 Caption ............... 8 Rev. D Page 2 of 11