hi all,
目前先选一款AD芯片, 可以测试±2.5V范围内的电压, 要求24BIT的分辨率, 8通道或者以上,有可手工焊接的封装,请帮忙推荐一款
谢谢
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看下ADS1258:
http://www.ti.com/lit/ds/symlink/ads1258.pdf
基准源的特点就是精度高,驱动能力小。 但是可以给外部供电。
要看驱动 能力是否够,ADS1258的demo板上采用的是100mA的LDO给ADS1258供电。