Acconeer A111 Bedienungsanleitung

A111 –Pulsed Coherent Radar (PCR)

Datasheet v1.8

A111 Pulsed Coherent Radar (PCR)

Datasheet, v1.8

Features

•Fully integrated sensor

-60 GHz Pulsed Coherent Radar (PCR)

-Integrated Baseband, RF front-end and

Antenna in Package (AiP)

-5.5 x 5.2 x 0.88 mm fcCSP, 0.5 mm pitch

•Accurate distance ranging and movements

-Measures absolute range up to 2 m (1)

oAbsolute accuracy in mm

-Relative accuracy in µm

-Possible to recognize movement and

gestures for several objects

-Support continuous and single sweep

mode

-Continuous sweep update rate up to

1500 Hz (2)

-HPBW of 80 (H-plane) and 40 degrees

(E-plane)

•Easy integration

-One chip solution with integrated

Baseband and RF

-Can be integrated behind plastic or glass

without any need for a physical aperture

-Single reflowable component

-1.8 V single power supply, enable with

Power on Reset (PoR)

-Clock input for crystal or external

reference clock, 20-80 MHz

-SPI interface for data transfer, up to 50

MHz SPI clock support

-INTERRUPT support

A111 Overview

The A111 is a radar system based on pulsed

coherent radar (PCR) technology and is setting a

new benchmark for power consumption and

distance accuracy –fully integrated in a small

package of 29 mm2.

The A111 60 GHz radar system is optimized for

high precision and ultra-low power, delivered as a

one package solution with integrated Baseband,

RF front-end and Antenna in Package (AiP). This

will enable easy integration into any portable

battery driven device.

The A111 is based on leading-edge patented

sensor technology with pico-second time

resolution, capable of measuring absolute

distance with mm accuracy up to a range of

2 m (1) and with a continuous sweep update

frequency fully configurable up to 1500 Hz (2).

The A111 60 GHz radar remains uncompromised

by any natural source of interference, such as

noise, dust, color and direct or indirect light.

Applications

•High precision distance measurements with

mm accuracy and high update frequency

•Proximity detection with high accuracy and

the possibility to define multiple proximity

zones

•Motion detection, Speed detection

•Enables material detection

•High precision object tracking, enabling

gesture control

•High precision tracking of 3D objects

•Monitor vital life signs such as breathing and

pulse rate

(1) 2m ranging is guaranteed for an object size, shape and dielectric properties corresponding to a spherical corner reflector of 5 cm radius.

(2) System integration dependent –e.g. Host MCU and SPI performance.

 A111 Pulsed Coherent Radar (PCR) 
 Datasheet, v1.8 
Page 3 of 34 2019-06-12 © 2019 Copyright by Acconeer 
Table of Contents 
1Revision History........................................................................................................................................... 4 
2Description.................................................................................................................................................... 5 
2.1 Functional Block Diagram.................................................................................................................. 6 
3Pin Configuration and Functions............................................................................................................... 7 
4Specifications............................................................................................................................................... 9 
4.1 Absolute Maximum Ratings............................................................................................................... 9 
4.2 Environmental Sensitivity................................................................................................................... 9 
4.3 Recommended Operating Conditions............................................................................................ 10 
4.4Electrical Specification ..................................................................................................................... 10 
4.5 Power Consumption Summary....................................................................................................... 11 
4.6 RF Specification................................................................................................................................ 11 
5Timing Requirements.................................................................................................................................12 
5.1 Serial Peripheral Interface............................................................................................................... 12 
6Typical Characteristics...............................................................................................................................14 
6.1 Distance Accuracy............................................................................................................................ 14 
6.2 Amplitude Accuracy.......................................................................................................................... 15 
6.3 Relative Phase Accuracy................................................................................................................. 15 
6.4 Half Power Beamwidth (HPBW)..................................................................................................... 16 
7Functional Description ...............................................................................................................................17 
7.1 Acconeer Software ........................................................................................................................... 18 
7.2 Software Integration ......................................................................................................................... 18 
7.3 Power Up Sequence......................................................................................................................... 19 
8Layout Recommendations.........................................................................................................................21 
8.1 Bill of Material (BoM)........................................................................................................................ 22 
8.2 XTAL................................................................................................................................................... 23 
8.3 External clock source....................................................................................................................... 24 
8.4 Power supply..................................................................................................................................... 25 
9Regulatory Approval...................................................................................................................................27 
9.1 ETSI.................................................................................................................................................... 27 
9.1.1 EU declaration of conformity ..................................................................................................... 27 
9.2 FCC Approval.................................................................................................................................... 28 
9.2.1 FCC Regulatory Notes................................................................................................................ 28 
9.2.2 FCC Grant Authorization............................................................................................................ 29 
10 Mechanical Data.....................................................................................................................................30 
10.1 Recommended Reflow Profile ........................................................................................................ 32 
11 Abbreviations..........................................................................................................................................33 
Disclaimer.............................................................................................................................................................34 
 

A111 Pulsed Coherent Radar (PCR)

Datasheet, v1.8

1 Revision History

Revision

Comment

V1.0

Released version

V1.1

Minor reference correction in chapter 5.1. A111 marking info added in chapter 2.

V1.2

Relative phase accuracy added in chapter 6.3

V1.3

Ordering information added in chapter 2. Equation corrected in XTAL chapter 8.1.

V1.4

- EU declaration of conformity added, chapter 9.0.

- Pin configuration alphabetically order corrected, chapter 3.

- Acconeer Software chapter 7.1 updated including updated software

integration info, chapter 7.2.

V1.5

Removed introduced error in chapter 3, pin configuration.

V1.6

FCC modular approval added, chapter 9.2.

V1.7

Power supply specification added, chapter 8.4.

V1.8

Added clarification, section 9.2.

A111 Pulsed Coherent Radar (PCR)

Datasheet, v1.8

2 Description

The A111 is an optimized low-power, high-precision, 60 GHz radar sensor with integrated Baseband,

an RF front-end and an Antenna in Package (AIP).

The sensor is based on pulsed coherent radar (PCR) technology, featuring a leading-edge patented

solution with picosecond time resolution. The A111 is the perfect choice for implementing high-

accuracy, high-resolution sensing systems with low-power consumption.

Ordering information

Part number

Package

Size (nom)

Primary component container

A111-001-T&R

fcCSP50

5.2 x 5.5 x 0.88 mm

Tape & reel

A111-001-TY

fcCSP50

5.2 x 5.5 x 0.88 mm

13” Tray

Acconeer A111 marking

A111 Pulsed Coherent Radar (PCR)

Datasheet, v1.8

2.1 Functional Block Diagram

A111 One Package Solution

A111 Silicon

PLL

LDOs

PoR

Communication

Program

memory

Data

memory

SPI (4)

INTERRUPT

XIN (ref clk)

XOUT

1.8V Single

power supply

ENABLE

Digital

Power Timing

mmWave Radio Tx ant.

Rx ant.

Figure 2.1. The A111 functional block diagram.

The A111 silicon is divided into four functional blocks: Power, Digital, Timing and mmWave radio.

The Power functional block includes LDOs and a Power on Reset (PoR) block. Each LDO creates its

own voltage domain. The PoR block generates a Reset signal on each power-up cycle. The host

interfaces the Power functional block of the sensor via 1.8V Single power supply and ENABLE.

The Digital functional block includes sensor control. The data memory stores the radar sweep data

from the ADC. The host interfaces the Sensor via an SPI interface, a Clock (XIN, XOUT) and

INTERRUPT signal.

The Timing block includes the timing circuitry.

The mmWave radio functional block generates and receives radar pulses and includes transmitter

(TX), receiver (RX) and interfaces toward the integrated antennas.

A111 Pulsed Coherent Radar (PCR)

Datasheet, v1.8

3 Pin Configuration and Functions

The below figure shows the A111 pin configuration, top view:

VIO_1a

VIO_2a

GND

VIO_1b

VIO_2b

Supply

I/O

ENABLE

CLK

Analog

XOUT

VBIAS

SPI_SS

VIO_3a

XIN

SPI_CLK

SPI_MISO

SPI_MOSI

INTERRUPT

VIO_3b

Figure 3.1. Pin configuration of the A111 sensor, top view.

The below table shows the A111 total number of 50 pins:

Pin name

Pin type

Description

Comment

Must no connect

A3-A8

GND

Ground

Must be connected to solid ground plane

GND

Ground

Must be connected to solid ground plane

Must no connect

B2, B9

GND

Ground

Must be connected to solid ground plane

B10

GND

Ground

Must be connected to solid ground plane

GND

Ground

Must be connected to solid ground plane

VIO_1a

Supply voltage

Supply voltage, RF part (1)

VIO_2a

Supply voltage

Supply voltage, RF part (1)

C10

GND

Ground

Must be connected to solid ground plane

VIO_1b

Supply voltage

Supply voltage, RF part (1)

D2, D9

GND

Ground

Must be connected to solid ground plane

D10

VIO_2b

Supply voltage

Supply voltage, RF part (1)

E1, E2,

E9, E10

GND

Ground

Must be connected to solid ground plane

GND

Ground

Must be connected to solid ground plane

A111 Pulsed Coherent Radar (PCR)

Datasheet, v1.8

Pin name

Pin type

Description

Comment

F2, F9

GND

Ground

Must be connected to solid ground plane

F10

ENABLE

I/O

Must be connected to host MCU

available GPIO. ENABLE is active high

G1,

G10

GND

Ground

Must be connected to solid ground plane

GND

Ground

Must be connected to solid ground plane

H2, H9

GND

Ground

Must be connected to solid ground plane

H10

XOUT

CLK

XTAL out

No connect

if no XTAL

VBIAS

Analog

The analog VBIAS must be connected to

VIO_3

SPI_SS

I/O

SPI slave select, active low select.

J3, J5,

J6, J8

GND

Ground

Must be connected to solid ground plane

VIO_3a

Supply voltage

Supply voltage, digital part (1)

J10

XIN

CLK

XTAL input OR external ref clk input

1.1V

domain

SPI_CLK

I/O

SPI Serial Clock

SPI_MISO

I/O

Master Input –Slave Output

GND

Ground

Must be connected to solid ground plane

GND

Ground

Must be connected to solid ground plane

SPI_MOSI

I/O

Master Output –Slave Input

GND

Ground

Must be connected to solid ground plane

INTERRUPT

I/O

Interrupt signal, that is used as an

interrupt in the host, more details are

found in section 7, Description.

mandatory

VIO_3b

Supply voltage

Supply voltage, digital part (1)

Table 3.1. A111 sensor pin list

(1) VIO_1a and VIO_1b are short circuit inside the sensor. VIO_2a and VIO_2b are short circuit inside the sensor. VIO_3a

and VIO_3b are short circuit inside the sensor.

A111 Pulsed Coherent Radar (PCR)

Datasheet, v1.8

4 Specifications

4.1 Absolute Maximum Ratings

The below table shows the A111 absolute maximum ratings over operating temperature range, on

package, unless otherwise noted:

Parameter

Description

Min.

Max.

Unit

VIO_1 (2)

1.8 V RF power supply

2.0

VIO_2 (2)

1.8 V RF power supply

2.0

VIO_3

1.8 V digital power supply

2.0

XIN (1)

Clock input port for crystal or reference

clock

-0.5

1.6

I/O

I/O supply voltage

-0.5

VIO_3+0.5

TOP

Operating temperature range

-40

°C

TSTG

High temperature storage

150

°C

Table 4.1. Absolute maximum ratings

(1) XIN input may not exceed 0V when ENABLE is low.

(2) VIO_1 and VIO_2 must never exceed VIO_3.

Stresses beyond those listed in table 4.1 may cause permanent damage to the device. These are stress

ratings only and functional operation of the device at these conditions or at any other conditions

beyond those indicated under Recommended Operating Conditions is not implied. Exposure to

absolute-maximum-rated conditions for extended periods of time may affect device reliability.

4.2 Environmental Sensitivity

The below table shows the A111 environmental sensitivity:

Parameter

Standard

Max.

Unit

Storage temperature

JESD22-A103 (1)

150(1)

ºC

Reflow soldering temperature (1)

J-STD-020 (1)

260

ºC

Moisture Sensitivity Level

JESD22-A113 (1)

MSL3

ESD, Charge Device Model (CDM)

JS-002, Class C2

500

ESD, Human Body Model (HBM)

JS-001, Class 1C

1000

Latch-up

JESD78, Class I

Pass

Table 4.2 Environmental sensitivity

(1) For reference only. The package is generically qualified by the manufacturer. Acconeer does not guarantee adherence to

standard.

A111 Pulsed Coherent Radar (PCR)

Datasheet, v1.8

4.3 Recommended Operating Conditions

The below table shows the A111 recommended operating conditions, on package:

Parameter

Min.

Typ.

Max.

Unit

Operating power supply voltage, VIO_1

1.71

1.8

1.89

Operating power supply voltage, VIO_2

1.71

1.8

1.89

Operating power supply voltage, VIO_3

1.71

1.8

1.89

I/O operating range

-0.3

VIO_3+0.3

XIN operating range (1)

-0.3

1.2

Operating temperature

-40

ºC

Table 4.3. Recommended operating conditions

(1) XIN input must not exceed 0V when ENABLE is low.

4.4 Electrical Specification

The below table shows the A111 electrical DC specification conditions, on package, at TA= 25ºC:

Parameter

Min.

Typ.

Max.

Unit

Current into any power supply

100

I/O VIL Low-level input voltage

-0.3

0.10*VIO_3

I/O VIH High-level input voltage

0.90*VIO_3

VIO_3+0.3

I/O VOL Low-level output voltage

0.4

I/O VOH High-level output voltage

1.6

I/O IOL (VOL = 0.4V)

7.8

I/O IOH (VOH = VIO_3-0.4)

5.8

I/O IIL Low-level input current

µA

I/O IIH High-level input current

µA

XIN VIL Low-level input voltage

-0.3

0.4

XIN VIH High-level input voltage

1.0

1.2

XIN IIL Low-level input current

µA

XIN IIH High-level input current

µA

Table 4.4. Electrical DC conditions

Andere Handbücher für A111

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