Datasheet ACS756xCB (Allegro) - 5

Fully Integrated, Hall-Effect-Based Linear Current Sensor IC ACS756xCB with 3 kVRMS Voltage Isolation and a Low-Resistance Current Conductor ACS756KCB-050 PERFORMANCE CHARACTERISTICS [1]: TOP = –40°C to 125°C, VCC = 5 V, unless otherwise specified Characteristic Symbol Test Conditions Min. Typ. Max. Units
Primary Sampled Current IP –50 – 50 A Sens Sensitivity TA Half scale of IP applied for 5 ms, TA = 25°C – 40 – mV/A SensTOP Half scale of IP applied for 5 ms 37.2 – 42.8 mV/A Noise [2] VNOISE TA= 25°C, 10 nF on VIOUT pin to GND – 10 – mV E Nonlinearity LIN(HT) Up to full scale of IP , IP applied for 5 ms, TOP = 25°C to 125°C –1 – 1 % ELIN(LT) Up to full scale of IP , IP applied for 5 ms, TOP = –40°C to 25°C –1.8 – 1.8 % VOE(TA) IP = 0 A, TA = 25°C – ±2 – mV Electrical Offset Voltage [3] VOE(TOP)HT IP = 0 A, TOP = 25°C to 125°C –30 – 30 mV VOE(TOP)LT IP = 0 A, TOP = –40°C to 25°C –60 – 60 mV E Total Output Error [4] TOT(HT) Over full scale of IP , IP applied for 5 ms, TOP = 25°C to 125°C –7.5 – 7.5 % ETOT(LT) Over full scale of IP , IP applied for 5 ms, TOP = –40°C to 25°C –7.5 – 7.5 % [1] Device may be operated at higher primary current levels, IP, and ambient temperatures, TOP, provided that the Maximum Junction Temperature, TJ(max), is not exceeded. [2] 6σ noise voltage. [3] VOE(TOP) drift is referred to ideal VOE = 2.5 V at 0 A. [4] Percentage of IP, with IP = 25 A. Output filtered.
ACS756SCB-050 PERFORMANCE CHARACTERISTICS [1]: TOP = –20°C to 85°C, VCC = 5 V, unless otherwise specified Characteristic Symbol Test Conditions Min. Typ. Max. Units
Primary Sampled Current IP –50 – 50 A Sens Sensitivity TA Half scale of IP applied for 5 ms, TA = 25°C – 40 – mV/A SensTOP Half scale of IP applied for 5 ms 38.3 – 41.7 mV/A Noise [2] VNOISE TA= 25°C, 10 nF on VIOUT pin to GND – 10 – mV E Nonlinearity LIN(HT) Up to full scale of IP , IP applied for 5 ms, TOP = 25°C to 85°C –1 – 1 % ELIN(LT) Up to full scale of IP , IP applied for 5 ms, TOP = –20°C to 25°C –1 – 1 % VOE(TA) IP = 0 A, TA = 25°C – ±2 – mV Electrical Offset Voltage [3] VOE(TOP)HT IP = 0 A, TOP = 25°C to 85°C –30 – 30 mV VOE(TOP)LT IP = 0 A, TOP = –20°C to 25°C –30 – 30 mV E Total Output Error [4] TOT(HT) Over full scale of IP , IP applied for 5 ms, TOP = 25°C to 85°C –5 – 5 % ETOT(LT) Over full scale of IP , IP applied for 5 ms, TOP = –20°C to 25°C –5 – 5 % [1] Device may be operated at higher primary current levels, IP, and ambient temperatures, TOP, provided that the Maximum Junction Temperature, TJ(max), is not exceeded. [2] 6σ noise voltage. [3] VOE(TOP) drift is referred to ideal VOE = 2.5 V at 0 A. [4] Percentage of IP, with IP = 25 A. Output filtered. 5 Allegro MicroSystems 955 Perimeter Road Manchester, NH 03103-3353 U.S.A. www.allegromicro.com