AS5046 AB austriamicrosystems, AS5046 AB Datasheet - Page 3

• Manufacturer Part Number: AS5046 AB
• Description: BOARD ADAPTER AS5046
• Manufacturer: austriamicrosystems

Specifications of AS5046 AB

• Sensor Type: Magnetic, Rotary Position
• Sensing Range: 360°
• Interface: Serial
• Voltage - Supply: 9V
• Embedded: No
• Utilized Ic / Part: AS5046
• Lead Free Status / RoHS Status: Lead free by exemption / RoHS compliant by exemption
• Sensitivity: -

AS5046
Data Sheet
5 Table of Contents
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
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6.1
7.1
7.2
7.3
7.4
7.5
7.6
7.7
10.1
11.1
11.2
11.3
11.4
11.5
11.6
11.7
14.1
15.1
15.2
15.3
15.4
15.5
15.6
15.7
18.1
General Description .............................................................................................................................................. 1
Benefits ................................................................................................................................................................ 1
Key Features ........................................................................................................................................................ 1
Applications .......................................................................................................................................................... 1
Table of Contents ................................................................................................................................................. 3
Pin Configuration .................................................................................................................................................. 5
Electrical Characteristics....................................................................................................................................... 7
7.3.1
7.3.2
7.3.3
7.3.4
7.3.5
7.3.6
Functional Description ........................................................................................................................................ 14
3.3V / 5V Operation ............................................................................................................................................ 14
11.1.1
11.1.2
11.1.3
14.1.1
14.1.2
15.2.1
15.6.1
18.1.1
Pin Description............................................................................................................................................... 6
Absolute Maximum Ratings (non operating) ................................................................................................... 7
Operating Conditions ..................................................................................................................................... 7
DC Characteristics for Digital Inputs and Outputs ........................................................................................... 8
Magnetic Input Specification......................................................................................................................... 10
Electrical System Specifications ................................................................................................................... 11
Timing Characteristics.................................................................................................................................. 12
Programming Conditions .............................................................................................................................. 13
Two Wire Serial Interface ............................................................................................................................. 15
Accessible Registers for Serial Interface ...................................................................................................... 16
Mode Input Pin ............................................................................................................................................. 22
Parallel Mode ............................................................................................................................................... 22
Ratiometric Analog Angle Output ................................................................................................................. 23
Programming the AS5046 ............................................................................................................................ 25
Analog Readback Mode ............................................................................................................................... 31
Alignment Mode ........................................................................................................................................... 32
Choosing the Proper Magnet........................................................................................................................ 33
Simulation Modelling .................................................................................................................................... 35
Failure Diagnostics....................................................................................................................................... 36
Serial Interface Timing Diagrams ............................................................................................................. 15
Serial Interface Unit (Type ID: 0101)........................................................................................................ 16
Hall Sensor Front End (Type ID: 0001) .................................................................................................... 17
Hall Sensor Front-End Configuration........................................................................................................ 18
Analog-Digital Converter Outputs, SIN/COS Signal Bus (Type ID: 0100) ................................................. 19
Automatic Gain Control Register (Type ID: 0111) .................................................................................... 19
AGC and Magnitude Registers................................................................................................................. 19
Z-Axis Range Indication (Push Button Feature, Red/Yellow/Green Indicator ............................................ 21
Analog Output Voltage Modes ................................................................................................................. 23
Zero Position Programming ..................................................................................................................... 27
Analog Mode Programming...................................................................................................................... 27
Repeated OTP Programming ................................................................................................................... 29
Non-permanent Programming .................................................................................................................. 29
Digital-to-Analog Converter (DAC) ........................................................................................................... 30
OP-AMP Stage ........................................................................................................................................ 30
Application Examples .............................................................................................................................. 31
Physical Placement of the Magnet ........................................................................................................... 34
CMOS Schmitt-Trigger Inputs: SCL, CSn (internal Pull-up), Mode (internal Pull-down).......................... 8
CMOS Input: Program Input (Prog) ....................................................................................................... 8
CMOS Output Open Drain: MagRngn .................................................................................................... 8
Tristate CMOS Output: SDA .................................................................................................................. 8
Digital-to-Analog Converter ................................................................................................................... 9
OPAMP Output Stage ........................................................................................................................... 9
12-bit Angle Information ...................................................................................................................... 16
6-bit Status Information ....................................................................................................................... 17
8-bit Magnitude Information ................................................................................................................. 17
Full Scale Mode .................................................................................................................................. 23
Diagnostic Output Mode ...................................................................................................................... 24
Angular Range Selector ...................................................................................................................... 28
Output Noise ....................................................................................................................................... 30
Magnet Placement .............................................................................................................................. 34
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