发明授权
US07903012B2 D/A converter and reference voltage circuit including same 有权
D / A转换器和包括其的参考电压电路

D/A converter and reference voltage circuit including same
摘要:
A variable resistor is connected to each terminal of (2^n)−1 resistors R connected in series. The variable resistors have resistances RH and RL determined according to a digital signal containing m lower bits LoB .
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