Datasheet ACS715 (Allegro) - 9

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 = 20 A, unless otherwise specified
Mean Supply Current versus Ambient Temperature Supply Current versus Supply Voltage 10.5 11.2 10.4 11.0 10.3 10.8 10.2 VCC = 5 V
A)
10.6
(m
10.1 10.4
CC
10.0
(mA) I CC
9.9 10.2
Mean I
9.8 10.0 9.7 9.8 9.6 9.6 -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
(%) (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 10 188 8 187 6 4 186 2
(%) V/A) m
185 0
s ( E TOT
–2
Sen
184 –4 183 –6 –8 182 –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 5.0 200.00 198.00 4.5 196.00 4.0 194.00 3.5 VCC = 5 V 192.00 190.00 3.0
(V) V/A)
T 188.00 2.5 A (°C)
m
–40 186.00
s ( V IOUT
2.0 184.00 TA (°C) –20
Sen
182.00 1.5 –40 25 180.00 25 1.0 85 178.00 85 125 0.5 176.00 150 0 174.00 0 5 10 15 20 25 0 5 10 15 20 25
Ip (A) IP (A)
0 A Output Voltage versus Ambient Temperature 0 A Output Voltage Current versus Ambient Temperature 525 0.140 0.120 520 0.100 515 IP = 0 A IP = 0 A 0.080
(mV)
510
(A)
0.060 0.040
V IOUT(Q)
505
I OUT(Q)
0.020 500 0 495 -0.020 490 -0.040 -50 -25 0 25 50 75 100 125 150 -50 -25 0 25 50 75 100 125 150
TA (°C) TA (°C)
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