三相计量芯片
型号 | RN8302B | RN7302 | RN8306 | RN7306 | RN8302C | RN7326E |
典型应用 | 三相多功能表 | 三相多功能表 | 三相多功能表 | 物联表量测开关用电终端 | 三相多功能锰铜表 | 具备电能质量分析的高端表计 |
封装 | LQFP44L | LQFP32L | LQFP44L | LQFP48L | LQFP44L | LQFP64L |
工作电压(V) | 3-3.6 | 3-3.6 | 3-3.6 | 3-3.6 | 3-3.6 | 2.8-5.5 |
动态范围 | 10000:1 | 10000:1 | 10000:1 | 10000:1 | 10000:1 | 8000:1 |
计量基准(V) | 1.25 | 1.25 | 1.25 | 1.25 | 1.25 | 1.25 |
温度系数(ppm/℃) | 5 | 5 | 5 | 5 | 5 | 10 |
计量ADC | 7路 | 7路 | 7路 | 7路 | 4路 | 7路 |
典型功耗(mA) | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 10 |
ADC输入范围(mVp) | 830 | 830 | 830 | 830 | 电 压 :830 电 流 :1000 |
1000 |
有功功率及电能 | √ | √ | √ | √ | √ | √ |
无功功率及电能 | √ | √ | √ | √ | √ | √ |
视在功率及电能 | √ | √ | √ | √ | √ | √ |
电压电流有效值 | √ | √ | √ | √ | √ | √ |
功率因数 | √ | √ | √ | √ | √ | √ |
频率测量 | √ | √ | √ | √ | √ | √ |
相角 | √ | √ | √ | √ | √ | √ |
零线有效值 | √ | √ | √ | √ | √ | √ |
直流测量 | √ | √ | √ | √ | √ | √ |
半波有效值 | √ | √ | √ | √ | √ | √ |
温度补偿 | √ | √ | √ | √ | √ | √ |
ADC波形缓存 | √ | √ | √ | √ | √ | √ |
ADC实时发送(HSDC) | × | × | √ | √ | × | √ |
负荷识别波形输出 | × | × | × | × | × | √ |
闪变 | √ | √ | √ | √ | √ | √ |
电能质量 | × | × | × | × | × | √ |
SARADC | × | × | × | × | × | √ |
GPADC | × | × | × | × | × | √ |
RTC | × | × | × | × | × | √ |
IR46要求 | √ | √ | √ | √ | √ | √ |