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ACS756
Fully Integrated, Hall Effect-Based Linear Current Sensor IC
with 3 kVRMS Voltage Isolation and a Low-Resistance Current Conductor
X 050 PERFORMANCE CHARACTERISTICS over Range K 1 :
T OP = –40°C to 125°C, V CC = 5 V, unless otherwise specified
Characteristic
Primary Sampled Current
Sensitivity
Noise 2
Nonlinearity
Symbol
I P
Sens TA
Sens TOP
V NOISE
E LIN(HT)
E LIN(LT)
V OE(TA)
Test Conditions
Half scale of I P applied for 5 ms, T A = 25°C
Half scale of I P applied for 5 ms
T A = 25°C, 10 nF on VIOUT pin to GND
Up to full scale of I P , I P applied for 5 ms, T OP = 25°C to 125°C
Up to full scale of I P , I P applied for 5 ms, T OP = –40°C to 25°C
I P = 0 A, T A = 25°C
Min.
–50
–
37.2
–
–1
– 1.8
–
Typ.
–
40
–
10
–
–
±2
Max.
50
–
42.8
–
1
1.8
–
Units
A
mV/A
mV/A
mV
%
%
mV
Electrical Offset Voltage 3
V OE(TOP)HT I P = 0 A, T OP = 25°C to 125°C
V OE(TOP)LT I P = 0 A, T OP = –40°C to 25°C
–30
–60
–
–
30
60
mV
mV
Total Output Error 4
E TOT(HT)
E TOT(LT)
Over full scale of I P , I P applied for 5 ms, T OP = 25°C to 125°C
Over full scale of I P , I P applied for 5 ms, T OP = –40°C to 25°C
–7.5
–7.5
–
–
7.5
7.5
%
%
1 Device may be operated at higher primary current levels, I P , and ambient temperatures, T OP , provided that the Maximum Junction Temperature,
T J (max), is not exceeded.
2 6 σ noise voltage.
3 V OE(TOP) drift is referred to ideal V OE = 2.5 V at 0 A.
4 Percentage of I P , with I P = 25 A. Output filtered.
X 050 PERFORMANCE CHARACTERISTICS over Range S 1 :
T OP = –20°C to 85°C, V CC = 5 V, unless otherwise specified
Characteristic
Primary Sampled Current
Sensitivity
Noise 2
Nonlinearity
Symbol
I P
Sens TA
Sens TOP
V NOISE
E LIN(HT)
E LIN(LT)
V OE(TA)
Test Conditions
Half scale of I P applied for 5 ms, T A = 25°C
Half scale of I P applied for 5 ms
T A = 25°C, 10 nF on VIOUT pin to GND
Up to full scale of I P , I P applied for 5 ms, T OP = 25°C to 85°C
Up to full scale of I P , I P applied for 5 ms, T OP = –20°C to 25°C
I P = 0 A, T A = 25°C
Min.
–50
–
38.3
–
–1
–1
–
Typ.
–
40
–
10
–
–
±2
Max.
50
–
41.7
–
1
1
–
Units
A
mV/A
mV/A
mV
%
%
mV
Electrical Offset Voltage 3
V OE(TOP)HT I P = 0 A, T OP = 25°C to 85°C
V OE(TOP)LT I P = 0 A, T OP = –20°C to 25°C
–30
–30
–
–
30
30
mV
mV
Total Output Error 4
E TOT(HT)
E TOT(LT)
Over full scale of I P , I P applied for 5 ms, T OP = 25°C to 85°C
Over full scale of I P , I P applied for 5 ms, T OP = –20°C to 25°C
–5
–5
–
–
5
5
%
%
1 Device may be operated at higher primary current levels, I P , and ambient temperatures, T OP , provided that the Maximum Junction Temperature,
T J (max), is not exceeded.
2 6 σ noise voltage.
3 V OE(TOP) drift is referred to ideal V OE = 2.5 V at 0 A.
4 Percentage of I P , with I P = 25 A. Output filtered.
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
5
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