1. <ICECS 2010> Design of a 7-bit 1GSPS Folding-Interpolation A/D Converter with Self-Calibration Technique Younghoon Kim, Joongwon Jun, Kyuik Cho, Daeyun Kim, Joonho Moon and Minkyu Song Department of Semiconductor Science, Dongguk University

2. CONTENTS • Motivation • Structure of ADC • Circuit Design • Measurement • Conclusion

3. I. Motivation

4. II. StructureofADC • (7bit) High speed ADC main Structure • F/I Structure : Low Power Consumption, Small Chip Area, and High Speed Conversion Rate

5. III. CircuitDesign ※ The propose design techniques ※ I. F/I structure for low power consumption and small chip area. II. The proposed Self-calibration Circuit.

6. III. CircuitDesign

7. III. Circuit Design We need a self-calibration for reduce offset error

8. III. CircuitDesign

9. III. CircuitDesign

10. III. CircuitDesign LSB : 1.7mV It can decide C-DAC resolution for self-calibration

11. III. CircuitDesign

12. IV. Measurement

13. IV. Measurement

14. IV. Measurement

15. IV. Measurement

16. IV. Measurement

17. V. Conclusion

18. V. Conclusion

20. FOM Comparison of 6,7 and 8b ADC