MA700GQ-P Datasheet, PDF (14/15 Pages) MPS Industries, Inc. – Angular Sensor for Position Control with Side-Shaft Positioning Capability

MA700
Angular Sensor for Position Control with
Side-Shaft Positioning Capability
14. Ordering Information
Part Number
Package
Free Air Temperature (T_A)
MA700GQ
QFN 3x3mm
-40° to 125°
* For Tape & Reel, add suffix –Z (e.g. MA700GQ–Z).
Appendix A: Definitions
Resolution (3 noise level)
Refresh rate
The smallest angle increment distinguishable from the noise. Here the resolution
is defined as 3 times , the standard deviation in degrees, taken over 1000 data
points at a constant position. The resolution in bits is obtained with:
6.
Rate at which new data points are stored in the output buffer.
Latency
The time between the data ready at the output and the instant at which the shaft
passes that position. The lag in degrees is
, where is the
angular velocity in deg/s.
Power up time
Starting at power up, time until the sensor delivers valid data.
Integral Non-Linearity (INL)
Maximum deviation between the sensor output and the best line fit.
400
350
300
250
200
150
100
50
0
0
lag
ideal
sensor output
INL
resolution
( ± 3 )
100 200 300 400 500
rotor position (deg)
sensor out
best straight fit
600 700
Figure A1: Absolute Angle Errors
Monolithic Power Systems, Inc. | Gland, Switzerland | Tel: [phone] | [e-mail] | www.sensimatech.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. © 2014 Monolithic Power Systems. All Rights
Reserved. MA700 Rev 1.0 September 2014
14