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ACS750xCA-50
Fully Integrated, Hall Effect-Based Linear Current Sensor IC
with High Voltage Isolation and a Low-Resistance Current Conductor
-050 ELECTRICAL CHARACTERISTICS, over temperature range unless otherwise indicated
Characteristic Symbol Test Conditions Min.
Typ.
Max.
Units
Primary Sampled Current I P
Supply Voltage V CC
Supply Current I CC
Output Resistance R OUT
Output Capacitance Load C LOAD
Output Resistive Load R LOAD
Primary Conductor Resistance R PRIMARY
Isolation Voltage V ISO
–50
4.5
V CC = 5.0 V, output open –
I OUT = 1.2 mA –
VOUT to GND –
VOUT to GND 4.7
I P = ±100A, T A = 25°C –
Pins 1-3 and 4-5, 60 Hz, 1 minute 3.0
–
5.0
7
1
–
–
130
–
50
5.5
10
2
10
–
–
–
A
V
mA
Ω
nF
k Ω
μΩ
kV
PERFORMANCE CHARACTERISTICS, -20°C to +85°C , V CC = 5 V unless otherwise specified
Propagation time t PROP
Response time t RESPONSE
I P = ±50 A, T A = +25°C –
I P = ±50 A, T A = +25°C –
4
27
–
–
μ s
μ s
Rise time
t r
I P = ±50 A, T A = +25°C
–
26
–
μ s
Frequency Bandwidth
f
–3 dB, T A = 25°C –
13
–
kHz
Sensitivity Sens
Over full range of I P , T A = 25°C 39
Over full range of I P 36
40
–
42
44
mV/A
mV/A
Noise V NOISE
Linearity E LIN
Symmetry E SYM
Peak-to-peak, T A = 25°C
External filter BW = 24 kHz
Over full range of I P
Over full range of I P
–
–
99
14
–
102
–
±5
105
mV
%
%
Zero Current Output Voltage V OUT(Q)
I = 0 A, T A = 25°C –
V CC / 2
–
V
Electrical Offset Voltage
(Magnetic error not included)
Magnetic Offset Error
Total Output Error
(Including all offsets)
V OE
I ERROM
E TOT
I = 0 A, T A = 25°C –60
I = 0 A –75
I = 0 A, after excursion of 100 A –
Over full range of I P , T A = 25°C –
Over full range of I P –
–
–
±0.3
±2
–
60
75
±0.8
–
±13
mV
mV
A
%
%
PERFORMANCE CHARACTERISTICS, -40°C to +150°C , V CC = 5 V unless otherwise specified
Propagation time t PROP
Response time t RESPONSE
Rise time t r
I P = ±50 A –
I P = ±50 A –
I P = ±50 A –
4
27
26
–
–
–
μ s
μ s
μ s
Frequency Bandwidth f –3 dB, T A = 25°C –
13
–
kHz
Sensitivity Sens
Over full range of I P , T A = 25°C 39
Over full range of I P , T A = 25°C 33
40
–
42
46
mV/A
mV/A
Noise V NOISE
Linearity E LIN
Symmetry E SYM
Peak-to-peak; T A = +25°C
External filter BW = 40 kHz
Over full range of I P
Over full range of I P
–
–
99
14
–
102
–
±5
105
mV
%
%
Zero Current Output Voltage V OUT(Q)
I = 0 A, T A = 25°C –
V CC / 2
–
V
Electrical Offset Voltage
(Magnetic error not included)
Magnetic Offset Error
Total Output Error
(Including all offsets)
V OE
I ERROM
E TOT
I = 0 A, T A = 25°C –60
I = 0 A –90
I = 0 A, after excursion of 100 A –
Over full range of I P , T A = 25°C –
Over full range of I P –
–
–
0.3
±2
–
60
90
±0.8
–
±15
mV
mV
A
%
%
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
4
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