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Datasheet
AAV003-10E Current Sensor
Key Features
? For Low Current Detection
? On-Chip Current Strap for Precise Operation
? ? 80 mA to +80 mA Linear Range
? Sensitivity up to 2 mV/mA
? AC or DC Measurement
? Ultraminiature TDFN Package
Description
The AAV003-10E is a high linearity, extremely low hysteresis GMR current sensor with an on-chip current
strap. A GMR bridge sensor element close to the current strap senses the magnetic field created by the
current. The GMR sensor element uses a unique, bipolar output, low hysteresis GMR material for excellent
accuracy. The four terminals of the bridge sensor are available externally. The output terminals of the bridge
provide a bipolar voltage signal proportional to the current through the strap.
V+
(Pin 1)
Out+
I+
GMR
Bridge
AAV003-10E
V-
Out-
I-
AAV003-10E Functional Diagram
SB-00-022
February 2012
NVE Corporation
?
11409 Valley View Road, Eden Prairie, MN 55344-3617
?
(952) 829-9217
?
www.nve.com
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