Hall Effect Linear Current Sensor with Overcurrent
Fault Output for < 100 V Isolation Applications
ACS711
x25AB PERFORMANCE CHARACTERISTICS for for EX package and E Temperature Range1
TA = 25°C and VCC = 3.3 V, unless otherwise specified
Characteristic
Symbol
Test Conditions
Min.
–31
–
Typ.
–
Max.
Units
A
Optimized Accuracy Range
IP
31
–
Over full range of IP
45
45
45
8
mV/A
mV/A
mV/A
mV
Sensitivity
Sens
Full scale of IP applied for 5 ms, TA = –40°C to 25°C
Full scale of IP applied for 5 ms, TA = 25°C to 85°C
TA = 25°C, no external low pass filter on VIOUT
IP = 0 A, TA = 25°C
–
–
–
–
Noise2
VNOISE
VOE(TA)
–
–
–
±5
±30
±35
±4
–
mV
Electrical Offset Voltage
Total Output Error3
VOE(TOP)HT IP = 0 A, TA = 25°C to 85°C
VOE(TOP)LT IP = 0 A, TA = –40°C to 25°C
–
–
mV
–
–
mV
ETOT
IP =±25 A, TA = –40°C to 85°C
–
–
%
1See Characteristic Performance Data for parameter distributions over temperature.
2±3 sigma noise voltage.
3Percentage of IP, with IP = ±31 A.
x25AB PERFORMANCE CHARACTERISTICS for EX package and K Temperature Range1
TA = 25°C and VCC = 3.3 V, unless otherwise specified
Characteristic
Symbol
Test Conditions
Min.
–31
–
Typ.
–
Max.
Units
A
Optimized Accuracy Range
IP
31
–
Over full range of IP
45
45
45
8
mV/A
mV/A
mV/A
mV
Sensitivity
Sens
Full scale of IP applied for 5 ms, TA = –40°C to 25°C
Full scale of IP applied for 5 ms, TA = 25°C to 125°C
TA = 25°C, no external low pass filter on VIOUT
IP = 0 A, TA = 25°C
–
–
–
–
Noise2
VNOISE
VOE(TA)
–
–
–
±5
±30
±35
±4
–
mV
Electrical Offset Voltage
Total Output Error3
VOE(TOP)HT IP = 0 A, TA = 25°C to 125°C
VOE(TOP)LT IP = 0 A, TA = –40°C to 25°C
–
–
mV
–
–
mV
ETOT
IP =±25 A, TA = –40°C to 125°C
–
–
%
1See Characteristic Performance Data for parameter distributions over temperature.
2±3 sigma noise voltage.
3Percentage of IP, with IP = ±31 A.
Allegro MicroSystems, LLC
115 Northeast Cutoff
8
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
ALLEGRO [ ALLEGRO MICROSYSTEMS ]
