ACS714
Automotive Grade, Fully Integrated, Hall Effect-Based Linear Current Sensor IC
with 2.1 kVRMS Voltage Isolation and a Low-Resistance Current Conductor
x05B PERFORMANCE CHARACTERISTICS 1 over Range E: T A = –40°C to 85°C, C F = 1 nF, and V CC = 5 V, unless otherwise specified
Characteristic
Optimized Accuracy Range
Sensitivity
Noise
Zero Current Output Slope
Sensitivity Slope
Electrical Output Voltage
Total Output Error 2
Symbol
I P
Sens
V NOISE(PP)
? V OUT(Q)
? Sens
V OE
E TOT
Test Conditions
Over full range of I P, T A = 25°C
Peak-to-peak, T A = 25°C, 185 mV/A programmed Sensitivity,
C F = 47 nF, C OUT = open, 2 kHz bandwidth
T A = –40°C to 25°C
T A = 25°C to 150°C
T A = –40°C to 25°C
T A = 25°C to 150°C
I P = 0 A
I P =±5 A, T A = 25°C
Min.
–5
180
–40
Typ.
185
21
–0.26
–0.08
0.054
–0.008
±1.5
Max.
5
190
40
Units
A
mV/A
mV
mV/°C
mV/°C
mV/A/°C
mV/A/°C
mV
%
1 Device may be operated at higher primary current levels, I P , and ambient temperatures, T A , provided that the Maximum Junction Temperature, T J(max) ,
is not exceeded.
2 Percentage of I P , with I P = 5 A. Output filtered.
x05B PERFORMANCE CHARACTERISTICS 1 over Range L: T A = –40°C to 150°C, C F = 1 nF, and V CC = 5 V, unless otherwise specified
Characteristic
Optimized Accuracy Range
Sensitivity
Noise
Zero Current Output Slope
Sensitivity Slope
Electrical Output Voltage
Total Output Error 2
Symbol
I P
Sens
V NOISE(PP)
? V OUT(Q)
? Sens
V OE
E TOT
Test Conditions
Over full range of I P, T A = 25°C
Peak-to-peak, T A = 25°C, 185 mV/A programmed Sensitivity,
C F = 47 nF, C OUT = open, 2 kHz bandwidth
T A = –40°C to 25°C
T A = 25°C to 150°C
T A = –40°C to 25°C
T A = 25°C to 150°C
I P = 0 A
I P =±5 A, T A = 25°C
I P =±5 A, T A = –40°C to 150°C
Min.
–5
–60
–7
Typ.
185
21
–0.26
–0.08
0.054
–0.008
±1.5
Max.
5
60
7
Units
A
mV/A
mV
mV/°C
mV/°C
mV/A/°C
mV/A/°C
mV
%
%
1 Device may be operated at higher primary current levels, I P , and ambient temperatures, T A , provided that the Maximum Junction Temperature, T J(max) ,
is not exceeded.
2 Percentage of I P , with I P = 5 A. Output filtered.
Allegro MicroSystems, LLC
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
5
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