AS5130ATST AMSCO [austriamicrosystems AG], AS5130ATST Datasheet - Page 2

• Manufacturer Part Number: AS5130ATST
• Description: 8 Bit Programmable Magnetic Rotary Encoder with Motion Detection & Multiturn
• Manufacturer: AMSCO [austriamicrosystems AG]

AS5130
Data Sheet - A p p l i c a t i o n s
Contents
1 General Description..............................................................................................................................
2 Key Features ........................................................................................................................................
3 Applications ..........................................................................................................................................
4 Pin Assignments...................................................................................................................................
5 Absolute Maximum Ratings..................................................................................................................
6 Electrical Characteristics ......................................................................................................................
7 Detailed Description ...........................................................................................................................
8 Application Information .......................................................................................................................
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Pin Descriptions ...................................................................................................................................................
Timing Characteristics ..........................................................................................................................................
Magnetic Input Range ..........................................................................................................................................
Connecting the AS5130 .....................................................................................................................................
Serial Synchronous Interface (SSI) ....................................................................................................................
Multi Turn Counter..............................................................................................................................................
AS5130 Status Indicators ...................................................................................................................................
“Pushbutton” Feature .........................................................................................................................................
High Speed Operation ........................................................................................................................................
Reduced Power Modes ......................................................................................................................................
Benefits of AS5130............................................................................................................................................
Application Example 1 ........................................................................................................................................
Application Example II 3-wire sensor with magnetic field strength indication.....................................................
Application Example III: Low-power encoder .....................................................................................................
Application Example IV: Polling mode................................................................................................................
Accuracy of the Encoder system ........................................................................................................................
Serial 3-Wire Connection (Default Setting) .................................................................................................... 10
Serial 3-Wire Connection (OTP Programming Option) .................................................................................. 12
1-Wire PWM Connection................................................................................................................................ 12
Analog Output ................................................................................................................................................ 13
Analog Sin/Cos Outputs with External Interpolator ........................................................................................ 14
Commands of the SSI in Normal Mode.......................................................................................................... 15
Commands of the SSI in Extended Mode ...................................................................................................... 16
Lock Status Bit ............................................................................................................................................... 20
Magnetic Field Strength Indicators................................................................................................................. 20
Propagation Delay.......................................................................................................................................... 22
Sampling Rate................................................................................................................................................ 22
Chip Internal Lowpass Filtering ...................................................................................................................... 22
Digital Readout Rate ...................................................................................................................................... 22
Total Propagation Delay of the AS5130 ......................................................................................................... 22
Low Power Mode ........................................................................................................................................... 23
Power Cycling Mode ...................................................................................................................................... 24
Polling Mode .................................................................................................................................................. 24
Quantization Error .......................................................................................................................................... 30
Vertical Distance of the Magnet ..................................................................................................................... 32
Choosing the Proper Magnet ......................................................................................................................... 32
Magnet Placement ......................................................................................................................................... 33
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