mlx90215 Melexis Company, mlx90215 Datasheet - Page 7

• Manufacturer Part Number: mlx90215
• Description: Precision Programmable Linear Hall Effect Sensor
• Manufacturer: Melexis Company

Clamping the Output Voltage
The MLX90215 has a 2-bit CLAMP feature which
allows Four output voltage options. The CLAMP
feature is independent of the gain, and will not effect
sensitivity of the device. The table below illustrates
limits for each of the four options.
Bit Value
0 (default)
1
2
3
Application Comments
The following is a list of recommended operating
parameters that will help to ensure the accuracy and
stability of the MLX90215. These are not the absolute
programming limits of the device.
1.) Voq is best programmed in the absence of any
2.) Best linearity of sensitivity is obtained when V
programmed at 1/2V
function enabled.
3.) Best linearity of sensitivity is obtained when the
4.) Best temperature stability is realized when the
5.) The Test/Readback pin is for diagnostic use only.
Installation Comments
1.) Avoid mechanical stress on leads or package.
2.) CMOS products are static sensitive devices, please
3.) Observe temperature limits during soldering.
3901090215
Rev 007
magnetic influence and to voltages closest to 1/2
V
less. It is not recommended to use V
to 0 volts or V
high sensitivity (> 100 mV/mT) values. Tempera-
ture instability may be observed on some devices
under these conditions.
gain
100mV/mT.
temperature compensation function is programmed
to zero ppm/
This pin is normally tied to GND. Contact Melexis
for more details on programming this device.
Stress may cause V
observe ESD precautions.
A.) Avoid bending leads at the package interface.
B.) Support the leads by clamping, when bending.
C.) Avoid gluing device to another material. This
DD
, where temperature drift will be +/-0.4% or
may cause temperature-related stress.
is
programmed
o
C.
Limits (% V
no clamp
5 to 45
10 to 90
5 to 95
DD
OQ
DD
when programming extremely
. This is with the 1/2V
shift.
between
DD
)
OQ
5mV/mT
values close
OQ
and
i s
Page 7
DD
Bit Allocation Table
Bit
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
1
2
3
4
5
6
7
8
9
Linear Hall Effect Sensor
Precision Programmable
OFFSETDAC 5
INVERTSLOPE
ROUGHGAIN 2
ROUGHGAIN 1
ROUGHGAIN 0
OFFSETDAC 6
OFFSETDAC 7
OFFSETDAC 8
OFFSETDAC 9
OFFSETDAC 4
OFFSETDAC 3
OFFSETDAC 2
OFFSETDAC 1
OFFSETDAC 0
FINEGAIN 0
FINEGAIN 1
FINEGAIN 2
FINEGAIN 3
FINEGAIN 4
FINEGAIN 5
FINEGAIN 8
FINEGAIN 9
FINEGAIN 6
FINEGAIN 7
TEMP CO 0
TEMP CO 1
TEMP CO 2
TEMP CO 3
TEMP CO 4
MEMLOCK
HALFVDD
Function
CLAMP 1
CLAMP 0
TEST 0
TEST 1
TEST 2
TEST 3
9/09/03