Datasheet

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Maxim Integrated │ 3
MAX11901 16-Bit, 1.6Msps, Low-Power,
Fully Differential SAR ADC
TABLE OF CONTENTS (continued)
LIST OF FIGURES
LIST OF TABLES
Figure 1. Signal Ranges........................................................................ 14
Figure 2. Simplified Model of Input Sampling Circuit.................................................. 15
Figure 3. Conversion Frame, SAR Conversion, Track and Read Operation ................................ 15
Figure 4. Ideal Transfer Characteristic ............................................................ 18
Figure 5. Read During Track Phase............................................................... 19
Figure 6. Read During SAR Conversion Phase...................................................... 19
Figure 7. Split Read Mode ...................................................................... 20
Figure 8. SPI Interface Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 9. DIN Timing for Register Write Operations .................................................. 21
Figure 10. Timing Diagram for Data Out Reading After Conversion ...................................... 21
Figure 11. Mode Register Write .................................................................. 22
Figure 12. Register Read ....................................................................... 22
Figure 13. Unipolar Single-Ended Input............................................................ 25
Figure 14. Bipolar Single-Ended Input............................................................. 25
Figure 15. Top Layer Sample Layout .............................................................. 26
Table 1. ADC Driver Amplifier Recommendation..................................................... 16
Table 2. Voltage Reference Configurations ......................................................... 17
Table 3. MAX11901 External Reference Recommendations............................................ 17
Table 4. Transfer Characteristic .................................................................. 18
Table 5. DOUT Driver Strength .................................................................. 23
Effective Number of Bits ...................................................................27
Total Harmonic Distortion ..................................................................27
Spurious-Free Dynamic Range ..............................................................27
Aperture Delay...........................................................................27
Aperture Jitter ...........................................................................27
Full-Power Bandwidth .....................................................................27
Selector Guide ............................................................................... 28
Ordering Information .......................................................................... 28
Chip Information .............................................................................. 28
Package Information .......................................................................... 28
Revision History .............................................................................. 29