A 12 b 500 MSample/s current-steering CMOS D/A converter

  title={A 12 b 500 MSample/s current-steering CMOS D/A converter},
  author={A. E. van den Bosch and Marc Borremans and M. Steyaert and W. Sansen},
  journal={2001 IEEE International Solid-State Circuits Conference. Digest of Technical Papers. ISSCC (Cat. No.01CH37177)},
This 12b 500MSample/s CMOS current-steering D/A converter has a segmented architecture. The 5MSBs are converted using the unary approach. A fully custom-made thermometer decoder is manually laid out to achieve the 500MSample/s update rate. The 7LSBs are converted using the binary approach, where the digital input bits directly control the switches. To minimize latency problems and to optimize dynamic performance, a dummy decoder is inserted between the inputs and the switch transistors. Using… CONTINUE READING
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