AS5145H-HSST-500 austriamicrosystems, AS5145H-HSST-500 Datasheet - Page 2

• Manufacturer Part Number: AS5145H-HSST-500
• Description: IC ENCODER ROTARY 16-SSOP
• Manufacturer: austriamicrosystems
• Type: Linear, Rotary Encoder - Programmabler

Specifications of AS5145H-HSST-500

• Sensing Range: 45mT ~ 75mT
• Voltage - Supply: 3 V ~ 3.6 V, 4.5 V ~ 5.5 V
• Current - Supply: 21mA
• Current - Output (max): 4mA
• Output Type: Quadrature with Index (Incremental)
• Features: Programmable
• Operating Temperature: -40°C ~ 150°C
• Package / Case: 16-SSOP (0.200", 5.30mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: AS5145H-HSST-500TR

AS5145
Data Sheet - C o n t e n t s
Contents
1 General Description ..................................................................................................................................................................
2 Key Features.............................................................................................................................................................................
3 Applications...............................................................................................................................................................................
4 Pin Assignments .......................................................................................................................................................................
5 Absolute Maximum Ratings ......................................................................................................................................................
6 Electrical Characteristics...........................................................................................................................................................
7 Timing Characteristics ............................................................................................................................................................
8 Detailed Description................................................................................................................................................................
9 Application Information ...........................................................................................................................................................
www.austriamicrosystems.com/AS5145
4.1 Pin Descriptions.................................................................................................................................................................................... 4
6.1 Magnetic Input Specification................................................................................................................................................................. 8
6.2 System Specifications .......................................................................................................................................................................... 9
8.1 Mode_Index Pin.................................................................................................................................................................................. 12
8.2 Pulse Width Modulation (PWM) Output.............................................................................................................................................. 17
8.3 Analog Output..................................................................................................................................................................................... 18
9.1 Programming the AS5145 .................................................................................................................................................................. 19
9.2 Alignment Mode.................................................................................................................................................................................. 23
9.3 3.3V / 5V Operation ............................................................................................................................................................................ 23
9.4 Selecting Proper Magnet .................................................................................................................................................................... 24
9.5 Simulation Modeling ........................................................................................................................................................................... 26
9.6 Failure Diagnostics ............................................................................................................................................................................. 27
9.7 Angular Output Tolerances ................................................................................................................................................................. 27
8.1.1 Synchronous Serial Interface (SSI) ........................................................................................................................................... 13
8.1.2 Incremental Mode ...................................................................................................................................................................... 14
8.1.3 Sync Mode................................................................................................................................................................................. 16
8.1.4 Sin/Cosine Mode ....................................................................................................................................................................... 16
8.1.5 Daisy Chain Mode ..................................................................................................................................................................... 16
8.2.1 Changing the PWM Frequency.................................................................................................................................................. 18
9.1.1 Zero Position Programming ....................................................................................................................................................... 19
9.1.2 OTP Memory Assignment.......................................................................................................................................................... 20
9.1.3 User Selectable Settings ........................................................................................................................................................... 20
9.1.4 OTP Default Setting................................................................................................................................................................... 21
9.1.5 Redundancy............................................................................................................................................................................... 21
9.1.6 Redundant Programming Option ............................................................................................................................................... 22
9.1.7 OTP Register Entry and Exit Condition ..................................................................................................................................... 22
9.4.1 Physical Placement of the Magnet ............................................................................................................................................ 25
9.4.2 Magnet Placement..................................................................................................................................................................... 26
9.6.1 Magnetic Field Strength Diagnosis ............................................................................................................................................ 27
9.6.2 Power Supply Failure Detection ................................................................................................................................................ 27
9.7.1 Accuracy .................................................................................................................................................................................... 27
9.7.2 Transition Noise......................................................................................................................................................................... 29
9.7.3 High Speed Operation ............................................................................................................................................................... 29
9.7.4 Propagation Delays ................................................................................................................................................................... 29
9.7.5 Internal Timing Tolerance .......................................................................................................................................................... 30
9.7.6 Temperature .............................................................................................................................................................................. 30
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