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楼主 |
发表于 2011-10-2 22:33:17
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哇……春风大侠关注……
下面是我复制PDF的,好像可以4V基准啊?
Analog Input: Current ................................................ ±100mA, Momentary
±10mA, Continuous
Voltage ................................... AGND –0.3V to AVDD +0.3V
AVDD to DVDD ........................................................................... –0.3V to 6V
AVDD to AGND ......................................................................... –0.3V to 6V
DVDD to DGND ......................................................................... –0.3V to 6V
AGND to DGND ................................................................................ ±0.3V
REFIN Voltage to AGND ............................................ –0.3V to AVDD +0.3V
Digital Input Voltage to DGND .................................. –0.3V to DVDD +0.3V
Digital Output Voltage to DGND ............................... –0.3V to DVDD +0.3V
Lead Temperature (soldering, 10s) .............................................. +300°C
Power Dissipation (Any package) .................................................. 500mW
内部基准是2.5V的,但是没有说精度,所以想用外部基准
麻烦春风大侠说说能做到几位?我好估算一下成本……谢谢 |
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