Data Sheet
Hall Effect Linear Current Sensor with Overcurrent
Fault Output for < 100 V Isolation Applications
ACS711
6
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
x25AB PERFORMANCE CHARACTERISTICS for LC package and K Temperature Range
1
T
A
= 25°C and V
CC
= 3.3 V, unless otherwise specified
Characteristic Symbol Test Conditions Min. Typ. Max. Units
Optimized Accuracy Range I
P
–25 – 25 A
Sensitivity Sens
Over full range of I
P
– 55 – mV/A
Full scale of I
P
applied for 5 ms, T
A
= –40°C to 25°C – 55 – mV/A
Full scale of I
P
applied for 5 ms, T
A
= 25°C to 125°C – 55 – mV/A
Noise
2
V
NOISE
T
A
= 25 °C, no external low pass filter on VIOUT – 8 – mV
Electrical Offset Voltage
V
OE(TA)
I
P
= 0 A, T
A
= 25°C – ±5 – mV
V
OE(TOP)HT
I
P
= 0 A, T
A
= 25°C to 125°C – ±30 – mV
V
OE(TOP)LT
I
P
= 0 A, T
A
= –40°C to 25°C – ±35 – mV
Total Output Error
3
E
TOT
I
P
=±25 A, T
A
= –40°C to 125°C – ±4 – %
1
See Characteristic Performance Data for parameter distributions over temperature.
2
±3 sigma noise voltage.
3
Percentage of I
P
, with I
P
= ±25 A.
x25AB PERFORMANCE CHARACTERISTICS for for LC package and E Temperature Range
1
T
A
= 25°C and V
CC
= 3.3 V, unless otherwise specified
Characteristic Symbol Test Conditions Min. Typ. Max. Units
Optimized Accuracy Range I
P
–25 – 25 A
Sensitivity Sens
Over full range of I
P
– 55 – mV/A
Full scale of I
P
applied for 5 ms, T
A
= –40°C to 25°C – 55 – mV/A
Full scale of I
P
applied for 5 ms, T
A
= 25°C to 85°C – 55 – mV/A
Noise
2
V
NOISE
T
A
= 25 °C, no external low pass filter on VIOUT – 8 – mV
Electrical Offset Voltage
V
OE(TA)
I
P
= 0 A, T
A
= 25°C – ±5 – mV
V
OE(TOP)HT
I
P
= 0 A, T
A
= 25°C to 85°C – ±30 – mV
V
OE(TOP)LT
I
P
= 0 A, T
A
= –40°C to 25°C – ±35 – mV
Total Output Error
3
E
TOT
I
P
=±25 A, T
A
= –40°C to 85°C – ±4 – %
1
See Characteristic Performance Data for parameter distributions over temperature.
2
±3 sigma noise voltage.
3
Percentage of I
P
, with I
P
= ±25 A.
x31AB PERFORMANCE CHARACTERISTICS
1
T
A
= 25°C and V
CC
= 3.3 V, unless otherwise specified
Characteristic Symbol Test Conditions Min. Typ. Max. Units
Optimized Accuracy Range I
P
–31 – 31 A
Sensitivity Sens Across full range of I
P
– 45 – mV/A
Noise
2
V
NOISE
No external low pass filter on VIOUT – 8 – mV
Electrical Offset Voltage
V
OE(TA)
I
P
= 0 A – ±5 – mV
V
OE(TOP)HT
I
P
= 0 A, T
A
= 25°C to T
A
(max) – ±30 – mV
V
OE(TOP)LT
I
P
= 0 A, T
A
= –40°C to 25°C – ±35 – mV
Total Output Error
3
E
TOT
I
P
=±25 A, T
A
= –40°C to T
A
(max) – ±4 – %
1
See Characteristic Performance Data for parameter distributions across the full temperature range.
2
±3 sigma noise voltage.
3
Percentage of I
P
, with I
P
= ±31 A.