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CSA-1V
Current Sensor
Description
FAQ
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CSA-1V General Description
The CSA-1V is a single-axis integrated magnetic field sensor based on the Hall effect. The circuit is fabricated using a conventional CMOS technology with an additional ferromagnetic layer. The ferromagnetic layer is used as a magnetic flux concentrator providing a high magnetic gain. Therefore, the circuit features very high magnetic sensitivity, low offset, and low noise.
The CSA-1V is packaged in a standard SOIC-8 full plastic package. This package provides:
• highest isolation for applications with the current conductor on the PCB
• highest sensitivity for applications with the current lead above the chip.
CSA-1V Features and Benefits
Sensitive to a magnetic field parallel to the chip surface
Very high sensitivity
Linear output voltage proportional to a magnetic field
Wide-band: DC to 100kHz
Very low offset and offset-drift
Very low noise
Isolated from current conductor
Surface mount SOIC-8 package
CSA-1V Related Products
Part Number
Description
MLX91205
Current Sensor
DVK MLX91205 - CSA-1V
Development Kit for MLX91205 and CSA-1VG
Triaxis
The Sky's The Limit
CSA-1V Applications
CSA-1V Documentation
CSA-1V Tools
CSA-1V Environmental Information
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CSA-1V In The Press
CSA-1V Frequently asked Questions
Current Sensor
Question
Yes there is CSA-1V.
ACS712
Answer
The Melexis CSA-1V is equivalent from the application point of view. However, the ACS712 has an integrated current conductor in the SO8, meaning that the current to be measured flows through the pins of the package. Whereas our CSA-1V measures the field generated by the current that flows in the Track of a PCB or in a external buss bar. This makes a more truly "isolated" current sensor.
Start up time
Question
I was wondering is the CSA-1V would be useable in a low-power application. Is the start-up time characterized (5v applied till valid output?)
Answer
The current consumption of the CSA-1V is approximately 16mA. The sensor doesn't have a standby mode function or something similar. The start-up time is typ. 150us and max. 200us.
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