參數(shù)資料
型號(hào): NSE-5310
廠商: AUSTRIAMICROSYSTEMS AG
元件分類: 線性位移傳感器
英文描述: 0,488μm/step (I2C, PWM)
文件頁數(shù): 5/22頁
文件大?。?/td> 431K
代理商: NSE-5310
www.ams.com
Revision 1.5
5 - 22
NSE-5310
Datasheet - Electrical Characteristics
6 Electrical Characteristics
6.1 Magnet Input Specification
Table 4. Two Pole Cylindrical Diametrically Magnetized Source
Note:
There is no upper speed limit for the absolute outputs. With increasing speed, the distance between two samples increases. The trav-
elling distance between two subsequent samples can be calculated as:
v
fs
sampling_dist =
where:
sampling_distance = travelling distance between samples in mm
v = travelling speed in mm/sec
fs = sampling rate in Hz
Pole crossings need to be tracked to calculate absolute position beyond one pole pair. The ability to differentiate pole crossings may be
a speed limiting factor in such cases.
Table 3. Operating Conditions
Symbol
Parameter
Conditions
Mn
Typ
Max
Units
VDD5V
Positive I/O Supply Voltage
5V Operation via LDO
4.5
5.0
5.5
V
VDD3V3
IO structure on VDD5V connected to
VDD3V3
3
3.3
3.6
V
VDDD/ VDDA
Positive Core Supply Voltage
5V Operation over LDO Internal
analog and digital supply
3
3.3
3.6
V
T
AMB
Ambient Temperature
-40oF to +275oF
-40
125
oC
I
supp
Supply Current
16
21
mA
Symbol
Parameter
Pole Length
Conditions
Mn
Typ
Max
Units
pL
1
mm
ppL
Pole Pair Length
Magnetic North & South Pole
2
mm
pLV
Pole Length Variation
% of ppL 2mm
±1.2
%
B
pk
Magnetic input field amplitude
Required vertical component of the
magnetic field strength on the die’s
surface
10
40
mT
B
pk
V
Magnetic input field variation
Amplitude variation over encoder
length
±2
%
B
tc
Magnetic Field Temperature Drift
Samarium Cobalt ReComa28
typ – 0.035 %/K
-0.2
%/K
B
off
Magnetic offset
Constant magnetic stray field
±5
mT
Vabs
Linear travelling speed
Absolute output
see note below
---
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