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AAV003-10E Current Sensor
Operation
A representative transfer curve is shown below:
AAV003 ‐ 10E ? B ridg e ? O utput ? vs ? Input ? C urrent
5V ? S upply ? Voltag e, ?? 25C
0.175
0.15
0.125
0.1
0.075
0.05
0.025
0
‐ 0.025
‐ 0.05
‐ 0.075
‐ 0.1
‐ 0.125
‐ 0.15
‐ 0.175
‐ 0.6000
‐ 0.5000
‐ 0.4000
‐ 0.3000
‐ 0.2000
‐ 0.1000
0.0000
0.1000
0.2000
0.3000
0.4000
0.5000
0.6000
Input ? C urrent ? (A)
Operating Specifications:
Parameter
Nominal Bridge Resistance
Sensitivity
Test Conditions
25°C
Operating; 5 V Supply, 25°C
Min.
5500
0.06
Typ.
7000
0.08
Max.
8500
0.10
Units
Ohms
mV/V-mA
Frequency Response
100
KHz
Linear Range of Current Measurement
Output Linearity
Bridge Electrical Offset
Offset Drift over Full Temperature Range
Bridge Supply Voltage
Isolation Voltage
On-Chip Current Strap Resistance
On-Chip Current Strap Resistance
Temperature Coefficient
Temperature Range of Operation
Bridge Resistance Temperature Coeff.
Bridge TCOV 2
Operating; Full Voltage and
Temperature Range
Over Linear Current Range;
Full Oper. Temperature Range
25°C
Zero Current
See Note 1
25°C
Operating
Operating
Operating
? 80
99%
? 4
? 1.0
240
0.25
? 40
+0.6
+0.1
? 0.21
80
+4
1.0
24
0.35
85
mA
mV/V
mV/V
|Volts|
V RMS
Ohms
%/ ° C
° C
%/ ° C
%/ ° C
Notes:
1.
2.
For isolation measurement, the sensor is considered a two terminal device:
I + and I - pins (pins 3 and 4) are shorted, and bridge pins (pins 1, 2, 5, and 6) are shorted.
TCOV is the percent change in output signal over temperature, with a constant voltage source powering the part.
Absolute Maximum Ratings:
Parameter
Absolute Maximum Current
Bridge Supply Voltage
Storage Temperature
Min.
? 600
? 40
Typ.
Max.
600
30
170
Units
mA
Volts
° C
Ambient Magnetic Field
Unlimited
Note: Exceeding Absolute Maximum Ratings may cause permanent damage.
NVE Corporation
?
11409 Valley View Road, Eden Prairie, MN 55344-3617
?
(952) 829-9217
?
www.nve.com
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