PNI MS2100 - Manual (Page 2)

PNI Sensor Corporation 133 Aviation Blvd., Suite 101, Santa Rosa, CA 95403-1084 USA;, Fax: (707) 566-2261
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www.pnicorp.com DOC # 1011946 R07
21-Jan-11 Page 2 of 16-
MS2100
Specifications & Instructions
SPECIFICATIONS
CA UTIO N:
Stresses beyond those listed under Table 2 may cause permanent damage to the device. These are
stress ratings only. Functional operation of the device at these or any other conditions beyond
those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Table 2: Absolute Maximum Ratings
Symbol Parameter Maximum
V
DD
DC supply voltage 5.25 VDC
V
IN
Input pin voltage V
DD
+ 0.3 VDC
I
IN
Input pin current 10 mA at 25 ºC
T
STRG
Storage temperature -40 to 125 ºC
Table 3: MS2100 General Characteristics at 2048
Parameter Minimum Maximum Typical
Current (3 VDC)
a
1.0 mA RMS 0.7 mA RMS
Peak Current 5.0 mA peak 3.5 mA peak
Field measurement range b (3 VDC) ± 1100 µT
Gain
c
(3 VDC) 14 counts/µT 28 counts/µT 19 count/µT
Linearity
(Error from best fit straight line at ±200 µT)
3% 0.5%
Resolution (in µT) 0.055
Sensor Frequency (3 VDC)
Within free Earth’s magnetic field
approx. 300 kHz
Operating Temperature -20ºC 70ºC
Storage Temperature -40º 125 ºC
a. At period select 2048 and 8Hz sample rate
b. Field measurement range is defined as the monotonic region of the output characteristic curve.
c. Gain is defined as the change in the number of counts from the MS2100, when the period select is set to 2048, per
change in the magnetic field in uT. For situations requiring less gain and more field measurement range, the gain
and resolution can be decreased by a factor of 2 by setting the MS2100 period select to 1024. In practical
magnetometer applications, a sensor gain calibration is normally performed when the sensor module is in the host
system.