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您好,我现在需要产生多个方波电压,频率60Hz,可同步切换极性,可调节电压精度10mV,范围-10V~+10V,需一个公共端Vcom。打算用DAC61416来实现,在查看其datasheet后,有如下疑问,还请帮忙解答:
Q1:要产生方波电压,则需要其工作在Toggle Mode,频率如何控制?可否直接将Toggle0、1、2引脚接PWM信号?
Q2:电压精度是否是这样计算的?20V/4096=0.004883V
Q3:该芯片不能输出Vcom电压吗?Vcom默认就是GND吗?
Q4:为什么Code范围是16-bit: Code 256 to 65280, 14-bit: Code 128 to 16256, 12-bit: Code 32 to 4064,而非0-65535,0-16383,,04095?
Q5:该芯片有相关的软件编程手册吗?
谢谢