| 摘要 |
<p>A self-calibrating high speed D/A converter (100) is provided which comprises a calibration circuit (150) for providing a fixed calibration current and a fixed calibration voltage during calibration mode, and a biasing circuit (140) for biasing the calibration circuit with a first reference voltage and biasing the MSB and LSB array cells (110,120) with a second reference voltage. By keeping the biasing voltage constant at the array cells during both calibrating and operating modes, such as 12 bits, the D/A converter effectively operates at high resolution, and at high operating speed. <IMAGE></p> |
