Datasheet ACS37612 (Allegro) - 7

制造商Allegro
描述Coreless, High Precision, Hall-Effect Current Sensor IC with Common-Mode Field Rejection and High Bandwidth (240 kHz)
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Coreless, High Precision, Hall-Effect Current Sensor IC. ACS37612

Coreless, High Precision, Hall-Effect Current Sensor IC ACS37612

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Coreless, High Precision, Hall-Effect Current Sensor IC ACS37612 with Common-Mode Field Rejection and High Bandwidth (240 kHz) -010B3 PERFORMANCE CHARACTERISTICS: TA = –40°C to 150°C, VCC = 3.3 V, unless otherwise specified Characteristic Symbol Test Conditions Min. Typ. [1] Max. Unit NOMINAL PERFORMANCE
Differential Magnetic Range BDIFF –135 – 135 G Sensitivity Sens VCC(min) ≤ VCC ≤ VCC(max) – 10 – mV/G
ACCURACY PERFORMANCE
T Noise V A = 25°C, CL = 1 nF, BW = 140 kHz – 9 – mVRMS N TA = 25°C, CL = 1 nF, BW = 240 kHz – 12.5 – mVRMS Sensitivity Error SensERR TA = 25°C –2 ±1 2 % T Sensitivity Drift Over Temperature ΔSens A = 25°C to 150°C –2 ±1 2 % TC TA = –40°C to 25°C –2 ±1 2 %
QUIESCENT VOLTAGE OUTPUT ERROR
Factory Quiescent Voltage Output Error VQVOERR TA = 25°C –5 ±3 5 mV Quiescent Voltage Output TA = 25°C to 150°C –5 ±3 5 mV Temperature Error VOUT(Q)TC TA = –40°C to 25°C –5 ±3 5 mV QVO Ratiometry Error VRatERRQVO VCC = ±3% variation of nominal supply voltage –15 ±5 15 mV Sens Ratiometry Error RatERRSens VCC = ±3% variation of nominal supply voltage –1.25 ±0.5 1.25 %
LIFETIME DRIFT CHARACTERISTICS [2]
QVO Lifetime Drift VQVOLife TA = 25°C – 1.4 – mV Sens Lifetime Drift SensERRLife TA = 25°C – 0.6 – % QVO TC Lifetime Drift VQVOTCLife TA = 25°C to 150°C – 1.5 – mV Sens TC Lifetime Drift SensTCLife TA = 25°C to 150°C – 0.6 – % [1] All typical values are ±3 sigma. [2] Typical lifetime value corresponds to worse case average drift found during AEC-Q100 qualification. 7 Allegro MicroSystems 955 Perimeter Road Manchester, NH 03103-3353 U.S.A. www.allegromicro.com