Single Phase, Isolated, Power Monitoring ICACS71020 with Voltage Zero Crossing and Overcurrent DetectionACS71020KMA-030B3 PERFORMANCE CHARACTERISTICS: Valid through the full operating temperature range, TA = –40°C to 125°C, CBYPASS = 0.1 µF, and VCC = 3.3 V, unless otherwise specified CharacteristicSymbolTest ConditionsMin.Typ. [1]Max.UnitGENERAL CHARACTERISTICS Nominal Supply Voltage VCC (nom) – 3.3 – V NOMINAL PERFORMANCE – CURRENT CHANNEL Current Sensing Range IPR –30 – 30 A Sensitivity Sens(I) IPR (min) < IP < IPR (max) – 1092 – LSB/A ACCURACY PERFORMANCE – CURRENT CHANNEL Measured at I Total Output Error E P = IPR (max), TA = 25°C to 125°C – ±2 – % TOT(I) Measured at IP = IPR (max), TA = –40°C to 25°C – ±3 – % TOTAL OUTPUT ERROR COMPONENTS – CURRENT CHANNEL Measured at I Sensitivity Error E P = IPR (max), TA = 25°C to 125°C – ±1 – % SENS(I) Measured at IP = IPR (max), TA = –40°C to 25°C – ±1.5 – % I Offset Error E P = 0 A, TA = 25°C to 125°C – ±500 – LSB O(I) IP = 0 A, TA = –40°C to 25°C – ±700 – LSB NOMINAL PERFORMANCE – VOLTAGE CHANNEL Sensitivity Sens(V) VPR (min) < VP < VPR (max) – 238 – LSB/mV ACCURACY PERFORMANCE – VOLTAGE CHANNEL Measured at V Total Output Error E P = VPR (max), TA = 25°C to 125°C – ±1.2 – % TOT(V) Measured at VP = VPR (max), TA = –40°C to 25°C – ±1.3 – % TOTAL OUTPUT ERROR COMPONENTS – VOLTAGE CHANNEL Measured at V Sensitivity Error E P = VPR (max), TA = 25°C to 125°C – ±1 – % SENS(V) Measured at VP = VPR (max), TA = –40°C to 25°C – ±1 – % V Offset Error E P = 0 mV, TA = 25°C to 125°C – ±60 – LSB O(V) VP = 0 mV, TA = –40°C to 25°C – ±80 – LSB ACCURACY PERFORMANCE – ACTIVE POWER Measured at V Total Output Error E P = VPR (max), TA = 25°C to 125°C – ±2.3 – % TOT(P) Measured at VP = VPR (max), TA = –40°C to 25°C – ±3.3 – % [1] Typical values are based on mean ±3 sigma. Allegro MicroSystems, LLC 10 955 Perimeter Road Manchester, NH 03103-3353 U.S.A. www.allegromicro.com Document Outline Features and Benefits Description Package Typical Application Selection Guide Absolute Maximum Ratings Isolation Characteristics Thermal Characteristics Functional Block Diagram Pinout Diagram and Terminal List Digital I/O Electrical Characteristics Data Acquisition ADCs Raw Signal Sensitivity and Offset Trim Phase Compensation Zero Crossing Power Calculations Digital Communication Registers and EEPROM EEPROM Error Checking and Correction (ECC) Memory Map Volatile Memory Map Application Connections Recommended PCB Layout Package Outline Drawing