0.1 GHz to 6.0 GHz, 0.5 dB LSB, 6-Bit, Silicon Digital Attenuator Data Sheet HMC1122 FEATURES FUNCTIONAL BLOCK DIAGRAM Attenuation range: 0.5 dB LSB steps to 31.5 dB 24 23 22 21 20 19 Low insertion loss P/S 1 18 VDD 1.1 dB at 1 GHz 1.3 dB at 2 GHz 2 PUP1 CLK 17 Typical step error: less than 0.1 dB SERIAL/ PARALLEL PUP2 Excellent attenuation accuracy 3 16 SERIN INTERFACE Safe state transitions 4 SEROUT LE 15 High linearity 6-BIT/ Input 0.1dB compression (P0.1dB): 30 dBm typical 14 GND 5 GND DIGITAL ATTENUATOR Input third-order intercept (IP3): 55 dBm typical 6 13 ATTOUT ATTIN RF settling time (0.05 dB final RF output): 250 ns 7 8 9 10 11 12 Low phase shift error: 6 at 1 GHz PACKAGE Single supply operation: 3.3 V to 5 V BASE ESD rating: Class 2 (2 kV HBM) GND 2 24-lead, 4 mm 4 mm LFCSP package: 16 mm Figure 1. Pin compatible to the HMC624A APPLICATIONS Cellular infrastructure Microwave radios and very small aperture terminals (VSATs) Test equipment and sensors IF and RF designs GENERAL DESCRIPTION The HMC1122 is a 6-bit digital attenuator operating from The HMC1122 operates on a single supply ranging from 3.3 V 0.1 GHz to 6 GHz with a 31.5 dB attenuation control range in to 5 V with no performance change due to an on-chip regulator. 0.5 dB steps. The device incorporates a driver that provides both serial and The HMC1122 is implemented in a silicon process, offering parallel control of the attenuator. The device also features a user- very fast settling time, low power consumption, and high ESD selectable power-up state and a serial output port for cascading robustness. The device features safe state transitions and other serial controlled components. optimized for excellent step accuracy and high linearity over The HMC1122 comes in a RoHS compliant, compact, 4 mm frequency and temperature range. The RF input and output are 4 mm LFCSP package, and is pin compatible to the HMC624A. internally matched to 50 and do not require any external A fully populated evaluation board is available. matching components. The design is bidirectional therefore, the RF input and output are interchangeable. Rev. B 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. No Tel: 781.329.4700 20162017 Analog Devices, Inc. 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GND D0 GND D1 D2 GND GND D3 D4 GND GND D5 13719-001HMC1122 Data Sheet TABLE OF CONTENTS Features .............................................................................................. 1 Input Power Compression and Third-Order Intercept ............9 Applications ....................................................................................... 1 Theory of Operation ...................................................................... 10 Functional Block Diagram .............................................................. 1 Power Supply ............................................................................... 10 General Description ......................................................................... 1 RF Input and Output ................................................................. 10 Revision History ............................................................................... 2 Serial or Parallel Mode Selection ............................................. 10 Specifications ..................................................................................... 3 Serial Mode Interface ................................................................. 10 Timing Specifications .................................................................. 4 Parallel Mode Interface .............................................................. 11 Absolute Maximum Ratings ............................................................ 5 Power-Up Interface .................................................................... 11 ESD Caution .................................................................................. 5 Applications Information .............................................................. 12 Pin Configuration and Function Descriptions ............................. 6 Evaluation Printed Circuit Board ............................................ 12 Interface Schematics..................................................................... 6 Evaluation Board Schematic and Artwork ............................. 13 Typical Performance Characteristics ............................................. 7 Outline Dimensions ....................................................................... 15 Insertion Loss, Return Loss, State Error, Step Error, and Ordering Guide .......................................................................... 15 Relative Phase................................................................................ 7 REVISION HISTORY 9/2017Rev. A to Rev. B Changed CP-24-16 to HCP-24-3 ................................. Throughout Updated Outline Dimensions ....................................................... 15 Changes to Ordering Guide .......................................................... 15 8/2017Rev. 0 to Rev. A Added Timing Specifications Section ............................................ 4 Moved Table 2 ................................................................................... 4 Change to Figure 5 ........................................................................... 6 Changes to Figure 26 ...................................................................... 11 Updated Outline Dimensions ....................................................... 15 4/2016Revision 0: Initial Version Rev. B Page 2 of 15