A121 Pulsed Coherent Radar (PCR)

Datasheet v1.0

Page 3 of 29

2023-03-30

© 2023 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

Current Consumption ............................................................................................................ 11

4.6

RF Specification .................................................................................................................... 12

4.7

Distance Accuracy................................................................................................................. 12

4.8

Distance Resolution............................................................................................................... 13

4.9

Absolute RLG........................................................................................................................ 14

4.10

A121 Temperature Sensor..................................................................................................... 14

5

Timing Requirements ................................................................................................................. 15

5.1

Serial Peripheral Interface ..................................................................................................... 15

6

Hardware integration.................................................................................................................. 17

6.1

Bill of Materials (BOM)........................................................................................................ 18

6.2

XTAL .................................................................................................................................... 18

6.3

Sensor startup ........................................................................................................................ 19

6.4

Layout Recommendations ..................................................................................................... 19

6.5

VDIG power Supply.............................................................................................................. 20

7

Software ........................................................................................................................................ 21

8

Regulatory Approval................................................................................................................... 22

8.1

ETSI ...................................................................................................................................... 22

8.1.1

EU type examination certificate .................................................................................... 23

8.2

FCC ....................................................................................................................................... 24

9

Mechanical Data ......................................................................................................................... 25

9.1

Moisture Sensitivity Level and Recommended Reflow Profile ............................................ 27

9.2

RoHS and REACH Statement ............................................................................................... 27

10 Abbreviations............................................................................................................................... 28

Disclaimer ............................................................................................................................................ 29