IPS2200 Datasheet

Jan.19.21

Page 3

21. Ordering Information ................................................................................................................................... 32

22. Revision History .......................................................................................................................................... 32

Figures

Figure 1. Pin Assignments for 4.4mm

 5.0mm 16-TSSOP Package – Top View...................................................5

Figure 2. LC Oscillator Connection with a Single Capacitor...................................................................................10

Figure 3. LC Oscillator Connection with Split TX Capacitors .................................................................................11

Figure 4. Parallel Resonator Circuit........................................................................................................................11

Figure 5. Response of the IPS2200 .......................................................................................................................15

Figure 6. Coil Design for a Linear Motion Sensor...................................................................................................16

Figure 7. Coil Design for a 360° Rotary Sensor .....................................................................................................16

Figure 8. Data Update Rate vs. LC Oscillator Frequency vs. Integration Factor ...................................................18

Figure 9. Sine-Cosine Analog Mode Output Signals ..............................................................................................18

Figure 10. Sine-Cosine Analog Mode Output Signals ............................................................................................19

Figure 11. Digital Incremental Differential AB Mode Output Signals......................................................................19

Figure 12. Block Diagram .......................................................................................................................................21

Figure 13. Analog Interface with Diagnostics Mode, Fixed Configuration..............................................................22

Figure 14. Analog and Digital Interface, On-The-Fly Gain and Offset Correction, Extended Diagnostics.............23

Figure 15. Analog and Digital Interface, On-The-Fly Gain and Offset Correction, Extended Diagnostics with MCU

Interrupt...................................................................................................................................................................23

Figure 16. Half Duplex 3-3 Wire SPI Interface .......................................................................................................24

Figure 17. Half Duplex 3-3 Wire SPI Multi-slave Interface .....................................................................................25

Figure 18. I2C Interface with Address Select .........................................................................................................26

Figure 19. I2C Interface Configuration with Interrupt on a Single Slave ................................................................26

Figure 20. I2C Interface Configuration with Multi-slave Interrupt ...........................................................................27

Figure 21. Coil Design and Signal Output for a 360° Rotary Sensor .....................................................................30

Figure 22. Coil Design and Signal Output for a 2

 180° Rotary Sensor ...............................................................30

Figure 23. Coil Design and Signal Output for a 3

 120° Rotary Sensor ...............................................................30

Figure 24. Coil Design and Signal Output for a 4

 90° Rotary Sensor .................................................................31

Tables

Table 1. Pin Descriptions..........................................................................................................................................5

Table 2. Buffered Output Configuration ....................................................................................................................6

Table 3. Digital Interface and Interrupt Output Configuration ...................................................................................6

Table 4. Absolute Maximum Ratings ........................................................................................................................7

Table 5. Operating Conditions ..................................................................................................................................7

Table 6. IPS2200 Electrical Characteristics, 3.3V Mode ..........................................................................................9

Table 7. IPS2200 Electrical Characteristics, 5.0V Mode ..........................................................................................9

Table 8. LC Oscillator Specifications ......................................................................................................................10

Table 9. Coil Receiver Front-End Specifications ....................................................................................................12

Table 10. Diagnostic Checks ..................................................................................................................................12

Table 11. Back-End Specification, Analog Outputs SIN, SINN, COS, COSN........................................................12

Table 12. Back-End Specification, Quadrature Pulse Output Option, Pins A, A_N, B, and B_N...........................13