DIA2240

Version 1.1, Apr 2026

www.dioo.com

© 2026 Dioo Microcircuits Co., Ltd. Jiangsu

IV

List of Figures

Figure 1. TSSOP-8 (Top view) ........................................................................................................................ 1

Figure 2. SOIC-8 (Top view) ........................................................................................................................... 1

Figure 3. Enhanced PWM rejection ................................................................................................................ 5

Figure 4. Step response ..................................................................................................................................5

Figure 5. IQ vs. VCM..........................................................................................................................................5

Figure 6. VOS vs. VCM.......................................................................................................................................5

Figure 7. Gain error vs. VCM............................................................................................................................ 5

Figure 8. Gain error vs. Temperature ..............................................................................................................5

Figure 9. VOS vs. VS.........................................................................................................................................6

Figure 10. Test circuit for reference divider accuracy..................................................................................... 8

Figure 11. Ground referenced output..............................................................................................................9

Figure 12. VS referenced output .....................................................................................................................9

Figure 13. External reference output ............................................................................................................ 10

Figure 14. Midsupply voltage output .............................................................................................................10

Figure 15. Mid-external reference output ......................................................................................................11

Figure 16. Setting the reference with a resistor divider ................................................................................ 11

Figure 17. Filter at input pins ........................................................................................................................ 13

Figure 18. Inline motor application circuit ..................................................................................................... 14

Figure 19. Solenoid drive application circuit ................................................................................................. 15

List of Tables

Table 1. RSENSE selection and power dissipation.......................................................................................................8

Table 2. Equations of error terms..............................................................................................................................12

Table 3. Gain error factor and gain error (external input resistors)..................................................................... 14