DIA2240

Version 1.1, Apr 2026

www.dioo.com

© 2026 Dioo Microcircuits Co., Ltd. Jiangsu

III

Table of Contents

1. Pin Assignment and Functions ....................................................................................................................1

2. Absolute Maximum Ratings ........................................................................................................................ 2

3. Recommended Operating Conditions .........................................................................................................2

4. ESD Ratings ................................................................................................................................................2

5. Thermal Considerations ..............................................................................................................................3

6. Electrical Characteristics .............................................................................................................................3

7. Typical Characteristics ................................................................................................................................ 5

8. Block Diagram .............................................................................................................................................6

9. Function Description ................................................................................................................................... 7

9.1. Amplifier input signal ........................................................................................................................ 7

9.2. RSENSE selection ................................................................................................................................7

9.3. Function mode ..................................................................................................................................8

10. Application Information ............................................................................................................................13

10.1. Input filtering .................................................................................................................................13

10.2. Typical application for inline motor current-sensing .....................................................................14

10.3. Typical application for solenoid drive current-sensing ................................................................. 15

11. Layout guidelines .................................................................................................................................... 15

12. Physical Dimensions ...............................................................................................................................16

12.1. TSSOP-8 ...................................................................................................................................... 16

12.2. SOIC-8 ..........................................................................................................................................17