DIO2216

Version 1.3, 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 .............................................................................................................................4

7. Typical Characteristics ................................................................................................................................ 6

8. Application Information ................................................................................................................................8

8.1. Power supply .................................................................................................................................... 8

8.2. Basic Connections ............................................................................................................................8

8.3. RS selection ...................................................................................................................................... 9

8.4. Calculating total error ..................................................................................................................... 10

8.5. Input filtering ................................................................................................................................... 11

8.6. Using the DIO2216 with transients above 5.5 V ............................................................................ 11

9. Physical Dimensions: WLCSP-4 ...............................................................................................................13

List of Figures

Figure 1. WLCSP-4 (Top view)(1)(2)..................................................................................................................1

Figure 2. VOS production distribution ...............................................................................................................6

Figure 3. Offset voltage vs. Temperature ........................................................................................................6

Figure 4. Gain error vs. Temperature ..............................................................................................................6

Figure 5. Quiescent current vs. Temperature ................................................................................................. 6

Figure 6. CMRR vs. Temperature ................................................................................................................... 6

Figure 7. Output voltage swing vs. Output current (Sourcing) ........................................................................6

Figure 8. Output voltage swing vs. Output current (Sinking) ..........................................................................7

Figure 13. VCM transient response ................................................................................................................ 7

Figure 14. Typical application ..........................................................................................................................8

Figure 15. Shunt resistance measurement Including trace resistance, RP.................................................... 8

Figure 16. Shunt resistance measurement using a Kelvin connection ...........................................................9

Figure 17. Input filter ..................................................................................................................................... 11

Figure 18. Transient protection using dual Zener diodes ............................................................................. 12

List of Tables

Table 1. Equations of error terms..............................................................................................................................10