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A unary coded current steering DAC with sequential stepping of the thermometer coded register in 1 and 2 LSB steps

机译:一元编码的电流控制DAC,以1和2 LSB的步长依次对温度计编码寄存器进行步进

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This paper presents an 8-bit current steering DAC that uses unary current sources and a thermometer coded register. The thermometer coded register is controlled by sequentially stepping one or two steps up or down dependent on the control input. The enhanced step size mitigates the slew-rate limitation if the DAC is used in a delta-encoded tracking ADC. The sequential switching of thermometer coded DAC register does not require a binary to thermometer decoder and reduces complexity of error compensation.
机译:本文介绍了一种使用一元电流源和温度计编码寄存器的8位电流控制DAC。温度计编码寄存器通过根据控制输入顺序上移或下移一或两级来控制。如果在增量编码的跟踪ADC中使用DAC,则增强的步长可减轻摆率限制。温度计编码的DAC寄存器的顺序切换不需要二进制到温度计的解码器,从而降低了误差补偿的复杂性。

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