Datasheet ACS715 (Allegro) - 10

Automotive Grade, Fully Integrated, Hall-Effect-Based Linear Current Sensor IC ACS715 with 2.1 kVRMS Voltage Isolation and Low-Resistance Current Conductor CHARACTERISTIC PERFORMANCE IP = 30 A, unless otherwise specified
Mean Supply Current versus Ambient Temperature Supply Current versus Supply Voltage 10.1 10.8 10.0 10.6 9.9 10.4
A)
90.8 VCC = 5 V 10.2
(m (mA) CC
9.7
I CC
10.0
Mean I
9.6 9.8 9.5 9.6 9.4 9.4 -50 -25 0 25 50 75 100 125 150 4.5 4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5
T V A (°C) CC (V)
Magnetic Offset versus Ambient Temperature Nonlinearity versus Ambient Temperature 0 0.35 –0.5 0.30 –1.0 0.25 –1.5
A)
–2.0 0.20 VCC = 5 V
(m
–2.5 VCC = 5 V; IP = 0 A,
(%) I OM
–3.0 After excursion to 20 A 0.15
E LIN
–3.5 0.10 –4.0 0.05 –4.5 –5.0 0 -50 -25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150
T T A (°C) A (°C)
Mean Total Output Error versus Ambient Temperature Sensitivity versus Ambient Temperature 8 133.5 6 133.0 4 132.5
V/A) (%)
2
m
132.0
s (
0
E TOT Sen
131.5 –2 131.0 –4 130.5 –6 130.0 –8 129.5 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150
TA (°C) TA (°C)
Output Voltage versus Sensed Current Sensitivity versus Sensed Current 5.0 140 139 4.5 138 4.0 137 136 3.5 VCC = 5 V
V/A)
135
m (V)
3.0 134
s (
T 133 2.5 A (°C)
V IOUT Sen
–40 132 2.0 131 TA (°C) –20 130 1.5 –40 25 129 25 1.0 85 128 85 125 127 0.5 126 150 0 125 0 5 10 15 20 25 30 35 0 5 10 15 20 25 30 35
Ip (A) IP (A)
0 A Output Voltage versus Ambient Temperature 0 A Output Voltage Current versus Ambient Temperature 514 0.080 512 510 0.060 508 IP = 0 A 0.040 IP = 0 A
(mV)
506
(A)
504 0.020
V IOUT(Q)
502
I OUT(Q)
500 0 498 -0.020 496 494 -0.040 -50 -25 0 25 50 75 100 125 150 -50 -25 0 25 50 75 100 125 150
TA (°C) TA (°C)
9 Allegro MicroSystems 955 Perimeter Road Manchester, NH 03103-3353 U.S.A. www.allegromicro.com