ZHCAA61A June 2020 – February 2021 ADS8686S , ISO7762 , OPA2180 , REF6025 , UCC12040 , UCC12050
表 5-1 提供了在温度线性变化下的精度性能结果。通过改变输入电压进行了测量,并对宽输入范围内的最小值、最大值和差值进行了汇总。
测试类型 | 说明 | ADC 通道 | 测得的误差百分比 | ||
---|---|---|---|---|---|
最小值 | 最大值 | 差值 | |||
精度测试,配置了外部基准,39kHz 滤波器 | ±10V 输入范围,10V 至 290V 输入 | 5A | –0.112 | –0.032 | 0.080 |
5B | –0.088 | –0.011 | 0.077 | ||
6A | -0.091 | -0.007 | 0.084 | ||
6B | –0.110 | –0.032 | 0.078 | ||
±10V 输入范围,10V 至 360V 输入 | 4A | -0.144 | –0.077 | 0.067 | |
4B | -0.191 | –0.094 | 0.097 | ||
7A | -0.188 | -0.121 | 0.067 | ||
7B | -0.138 | -0.042 | 0.096 | ||
±10V 输入范围,1A 至 100A 输入 | 4A | -0.208 | 0.188 | 0.396 | |
7B | -0.206 | 0.188 | 0.394 | ||
±10V 输入范围,1.95A 至 165A 输入 | 5A | -0.217 | 0.209 | 0.427 | |
6B | 0.057 | 0.288 | 0.231 | ||
精度测试,配置了内部基准,39kHz 滤波器 | ±10V 输入范围,10V 至 290V 输入 | 1A | –0.077 | 0.023 | 0.100 |
1B | -0.056 | 0.039 | 0.095 | ||
2A | -0.056 | 0.042 | 0.097 | ||
2B | -0.073 | 0.016 | 0.088 | ||
±10V 输入范围,10V 至 360V 输入 | 0A | –0.094 | –0.005 | 0.090 | |
0B | -0.150 | -0.053 | 0.096 | ||
3A | -0.146 | -0.051 | 0.095 | ||
3B | -0.102 | –0.005 | 0.097 | ||
精度测试,配置了外部基准,15kHz 滤波器 | ±10V 输入范围,10V 至 290V 输入 | 5A | -0.104 | -0.033 | 0.071 |
5B | –0.080 | -0.016 | 0.064 | ||
6A | –0.084 | –0.011 | 0.072 | ||
6B | -0.102 | -0.016 | 0.087 | ||
±10V 输入范围,10V 至 360V 输入 | 4A | -0.138 | –0.046 | 0.092 | |
4B | –0.185 | –0.094 | 0.091 | ||
7A | -0.183 | -0.091 | 0.091 | ||
7B | -0.133 | –0.041 | 0.092 |