A121 Pulsed Coherent Radar (PCR)

Preliminary Datasheet v0.3

Page 3 of 24

2022-09-22

© 2022 Copyright by Acconeer

Table of Contents

1

Revision History ............................................................................................................................ 4

2

Description ..................................................................................................................................... 5

2.1

Functional Block Diagram ...................................................................................................... 6

3

Pin Configuration and Functions ................................................................................................ 7

4

Specifications ................................................................................................................................ 9

4.1

Absolute Maximum Ratings.................................................................................................... 9

4.2

Environmental Sensitivity ....................................................................................................... 9

4.3

Recommended Operating Conditions.................................................................................... 10

4.4

Electrical Specification.......................................................................................................... 10

4.5

Power Consumption Summary.............................................................................................. 11

4.6

RF Specification .................................................................................................................... 11

5

Timing Requirements ................................................................................................................. 12

5.1

Serial Peripheral Interface ..................................................................................................... 12

6

RF Characteristics ...................................................................................................................... 14

6.1

Radar Loop Gain Pattern ....................................................................................................... 14

6.2

Relative Phase Accuracy ....................................................................................................... 14

7

Hardware integration.................................................................................................................. 15

7.1

XTAL .................................................................................................................................... 16

7.2

Sensor startup ........................................................................................................................ 17

7.3

Layout Recommendations ..................................................................................................... 17

8

Software ........................................................................................................................................ 19

8.1

Software Integration .............................................................................................................. 19

9

Mechanical Data ......................................................................................................................... 20

9.1

Moisture Sensitivity Level and Recommended Reflow Profile ............................................ 22

9.2

RoHS and REACH Statement ............................................................................................... 22

10 Abbreviations............................................................................................................................... 23

Disclaimer ............................................................................................................................................ 24