Differences
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| electronics:acs712 [2010/10/12 14:41] – created photonicsguy | electronics:acs712 [2014/11/13 10:50] (current) – external edit 127.0.0.1 | ||
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| ====== ACS712 Current Sensor ====== | ====== ACS712 Current Sensor ====== | ||
| + | {{: | ||
| + | ^ADC Resolution^ -05B ^ -20A ^-30A^ | ||
| + | | 20 | 0.026 mA|0.048 mA|0.072 mA| | ||
| + | | 19 |0.052 mA|0.095 mA|0.144 mA| | ||
| + | |18|0.103 mA|0.191 mA|0.289 mA| | ||
| + | |17|0.206 mA|0.381 mA|0.578 mA| | ||
| + | |16|0.412 mA|0.763 mA|1.156 mA| | ||
| + | |15|0.825 mA|1.526 mA|2.312 mA| | ||
| + | |14|1.65 mA|3.052 mA|4.624 mA| | ||
| + | |13|3.299 mA|6.104 mA|9.248 mA| | ||
| + | |12|6.598 mA|12.207 mA|18.496 mA| | ||
| + | |11|13.197 mA|24.414 mA|36.991 mA| | ||
| + | |10|26.394 mA|48.828 mA|73.982 mA| | ||
| + | |9|52.787 mA|97.656 mA|147.964 mA| | ||
| + | |8|105.574 mA|195.313 mA|295.928 mA| | ||
| ===== 5A ===== | ===== 5A ===== | ||
| ===== 20A ===== | ===== 20A ===== | ||
| + | ^ADC Resolution^(mA)^ | ||
| + | |20|0.048| | ||
| + | |19|0.095| | ||
| + | |18|0.191| | ||
| + | |17|0.381| | ||
| + | |16|0.763| | ||
| + | |15|1.526| | ||
| + | |14|3.052| | ||
| + | |13|6.104| | ||
| + | |12|12.207| | ||
| + | |11|24.414| | ||
| + | |10|48.828| | ||
| + | |9|97.656| | ||
| + | |8|195.313| | ||
| ==== 12-bit ADC ==== | ==== 12-bit ADC ==== | ||
| ^Count^Voltage^Current (A)^Current (mA)^ | ^Count^Voltage^Current (A)^Current (mA)^ | ||
| Line 17: | Line 45: | ||
| |2056|2.510|0.1|97.66| | |2056|2.510|0.1|97.66| | ||
| |2057|2.511|0.11|109.86| | |2057|2.511|0.11|109.86| | ||
| - | |2058|2.512|0.12|122.07| | ||
| - | |2059|2.513|0.13|134.28| | ||
| - | |2060|2.515|0.15|146.48| | ||
| - | |2061|2.516|0.16|158.69| | ||
| - | |2062|2.517|0.17|170.9| | ||
| - | |2063|2.518|0.18|183.11| | ||
| - | |2064|2.520|0.2|195.31| | ||
| - | |2065|2.521|0.21|207.52| | ||
| - | |2066|2.522|0.22|219.73| | ||
| - | |2067|2.523|0.23|231.93| | ||
| - | |2067|2.523|0.23|231.93| | ||
| ==== 10-bit ADC ==== | ==== 10-bit ADC ==== | ||
| ^Count^Voltage^Current (A)^Current (mA)^ | ^Count^Voltage^Current (A)^Current (mA)^ | ||
| Line 40: | Line 57: | ||
| |520|2.539|0.39|390.63| | |520|2.539|0.39|390.63| | ||
| |521|2.544|0.44|439.45| | |521|2.544|0.44|439.45| | ||
| - | |522|2.549|0.49|488.28| | ||
| - | |523|2.554|0.54|537.11| | ||
| - | |524|2.559|0.59|585.94| | ||
| - | |525|2.563|0.63|634.77| | ||
| - | |526|2.568|0.68|683.59| | ||
| - | |527|2.573|0.73|732.42| | ||
| - | |528|2.578|0.78|781.25| | ||
| - | |529|2.583|0.83|830.08| | ||
| - | |530|2.588|0.88|878.91| | ||
| - | |531|2.593|0.93|927.73| | ||
| - | |532|2.598|0.98|976.56| | ||
| - | === 8-bit ADC === | ||
| - | ^Count^Voltage^Current (A)^Current (mA)^ | ||
| - | |128|2.500|0|0| | ||
| - | |129|2.520|0.2|195.31| | ||
| - | |130|2.539|0.39|390.63| | ||
| - | |131|2.559|0.59|585.94| | ||
| - | |132|2.578|0.78|781.25| | ||
| - | |133|2.598|0.98|976.56| | ||
| - | |134|2.617|1.17|1171.88| | ||
| - | |135|2.637|1.37|1367.19| | ||
| - | |136|2.656|1.56|1562.5| | ||
| - | |137|2.676|1.76|1757.81| | ||
| - | |138|2.695|1.95|1953.13| | ||
| - | |139|2.715|2.15|2148.44| | ||
| - | |140|2.734|2.34|2343.75| | ||
| - | |141|2.754|2.54|2539.06| | ||
| - | |142|2.773|2.73|2734.38| | ||
| - | |143|2.793|2.93|2929.69| | ||
| - | |144|2.813|3.13|3125| | ||
| - | |145|2.832|3.32|3320.31| | ||
| - | |146|2.852|3.52|3515.63| | ||
| - | |147|2.871|3.71|3710.94| | ||
| - | |148|2.891|3.91|3906.25| | ||
| - | |||