DIO2240

Version 1.2, Jan 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. MSOP-8 (Top view) ..........................................................................................................................1

Figure 4. IQ vs. VCM..........................................................................................................................................5

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

Figure 6. Gain error vs. VCM............................................................................................................................ 5

Figure 7. VOS vs. VS.........................................................................................................................................5

Figure 8. Enhanced PWM rejection ................................................................................................................ 5

Figure 9. Step response ..................................................................................................................................5

Figure 10. CMRR VS Frequency .................................................................................................................... 6

Figure 11. Test circuit for reference divider accuracy..................................................................................... 9

Figure 12. Ground referenced output ........................................................................................................... 10

Figure 13. VS referenced output ...................................................................................................................10

Figure 14. External reference output .............................................................................................................11

Figure 15. Midsupply voltage output ............................................................................................................. 11

Figure 16. Mid-external reference output ......................................................................................................12

Figure 17. Setting the reference with a resistor divider ................................................................................ 12

Figure 18. Filter at input pins ........................................................................................................................ 14

Figure 19. Inline motor application circuit ..................................................................................................... 15

Figure 20. Solenoid drive application circuit ................................................................................................. 16

List of Tables

Table 1. RSENSE selection and power dissipation.......................................................................................................9

Table 2. Equations of error terms..............................................................................................................................13

Table 3. Gain error factor and gain error (external input resistors)..................................................................... 15