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參數(shù)資料
| 型號： | MLX90215LVA |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Precision Programmable Linear Hall Effect Sensor |
| 中文描述： | 高精度可編程線性霍爾效應傳感器 |
| 文件頁數(shù)： | 2/9頁 |
| 文件大小： | 294K |
| 代理商： | MLX90215LVA |
*Patent Pending
MLX90215 Programmable Hall Effect Sensor Rev 4.3 7/6/01 Page 2
MLX 90215
Prec ision Programmable*
Linear Hall E ffec t S ensor
Parameter
Supply Voltage
Symbol
Test Conditions
V
DD
Operating
Min
4.5
Typ
5.0
Max
5.5
Units
V
Supply Current
I
DD
B = 0, V
DD
= 5V, I
OUT
= 0
2.5
4.0
6.5
mA
Output Current
(1)
I
OUT
V
DD
= 5V + 10%
-2
-
2
mA
Quiescent Output Voltage
(2)
V
OQ
10-Bit Programmable, B = 0
0.5
-
4.5
V
Output Voltage
(1)
V
OH
V
DD
= 5V, I
OUT
= -2mA
4.50
4.65
V
Bandwidth
(3)
BW
RoughGain @ Min
-
1.300
kHz
Bandwidth
(3)
BW
RoughGain @ Max
0.130
-
kHz
Impulse Response Time
(6)
T
RMIN
RoughGain @ Min
25
-
μs
Impulse Response Time
(6)
T
RMIN
RoughGain @ Max
250
μs
Offset Voltage Adjustment
Resolution
Offset Voltage Drift
over Temperature
Offset Voltage Drift
(2)
over Temperature
Range of Sensitivity
(7)
V
OQ
B = 0, TA = 25
o
C
-1.5
-
1.5
mV
V
OQ
/
T B = 0, TA = -40
o
C to 150
o
C
S < 100mV/mT & V
OQ
> 0.75V
V
OQ
/
T B = 0, TA = -40
o
C to 150
o
C
S > 100mV/mT & V
OQ
< 0.75V
s
13-Bit Programmable
-20
-
20
mV
-40
-
40
mV
5
-
140
mV/mT
Peak to Peak Noise
(4)
8
25
60
mV
Output Resistance
R
OUT
6
Sensitivity Drift
(5)
Notes:
(1) If output current and voltage specifications are exceeded, linearity will be degraded.
(2) If V
OQ
is programmed beyond these limits, the temperature compensation may become a problem at high tem-
peratures. It is not recommended to program values of V
OQ
below 1V or above 4V when sensitivity exceeds 100
mV/mT. Temperature instability can occur on some devices under these conditions.
(3) Bandwidth is inversely proportional to ROUGHGAIN.
(4) Peak to Peak Noise is a function of ROUGHGAIN setting. See page 5, Peak to Peak Noise versus Sensitivity.
(5) Sensitivity drift is independent of other parameters and does not include individual tolerances (
V
OQ
or
V
OQ
/
T
).
The tolerance for sensitivity is + 1% of its initial value. This does not include tolerance stack-up.
(6) If the impulse occurs in the middle of a sample interval, the small signal response delay will double. If a 50% to
100% impulse, slew rate may result in double or triple delay.
(7) 1 mT = 10 Gauss
TA = 25
o
C
-1
-
1
%
MLX90215 Electrical Specifications
Output Voltage
(1)
V
OL
V
DD
= 5V, I
OUT
= 2mA
0.35
0.50
V
Sampling Rate
f
SAMP
RoughGain @ Max and Min
4
-
40
kHz
Melexis Inc. reserves the right to make changes without further notice to any products herein to improve reliability, function, or design. Melexis does
not assume any liability arising from the use of any product or application of any product or circuit described herein.
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