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PDF AS5403A Data sheet ( Hoja de datos )
| Número de pieza | AS5403A | |
| Descripción | 3D Hall Position Sensor | |
| Fabricantes | ams | |
| Logotipo |  |
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General Description
AS5403A/D/E
3D Hall Position Sensor for Linear and
Off-Axis Applications
The AS5403 can measure magnetic fields components in all
three dimensions and converts the magnetic field information
into absolute position information.
Only a simple 2-pole magnet is required as the magnetic field
source.
Using two 3D-Hall cells allows absolute (single pixel) as well as
differential (double pixel) 3D magnetic field measurement.
The differential measurement makes the AS5403 ideal for use
in rough automotive position sensing applications that include
not only dust, dirt or moisture but also unwanted magnetic
stray fields.
All the signal conditioning, including compensation of
temperature effects as well as linearization of the output is
included in the IC.
The absolute position information of the magnet is directly
accessible over a SPI interface and a programmable PWM or
analog output. The build in diagnostic functions makes the
AS5403 suitable for safety critical applications.
The AS5403 is available in a 14-pin TSSOP package and is
qualified according AEC-Q100 for an ambient temperature
range from -40°C to 150°C. It operates at a supply voltage of 5V
±10%.
The programming of the AS5403 is done over the single wire
UART interface.
The AS5403 is overvoltage protected up to 18V on the supply
and output pins. In addition the supply pins are reverse polarity
protected up to -18V.
Ordering Information and Content Guide appear at end of
datasheet.
ams Datasheet
[v1-06] 2015-Aug-28
Page 1
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1 page  
AS5403A/D/E − Pin Assignments
Pin Assignments
AS5403 Pin Configuration, TSSOP-14
Package (Top View): X indicates the axis
of lateral position measurement; z axis is
perpendicular to the package surface
Figure 5:
AS5403 Pin Configuration
TEST
SCS
SC LK
SDI
SDO
TEST
NC
1
2
3
4
5
6
7
14 DSW
13 OUT
12 GND
11 VDD3
10 VDD
9 NC
8 NC
ams Datasheet
[v1-06] 2015-Aug-28
Page 5
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5 Page 
AS5403A/D/E − Electrical Characteristics
Symbol
Parameter
OUTVOH Output level high
OUTVOL Output level low
OUTINL
Output integral non
linearity
OUTDNL
Output differential non
linearity
Min Typ
ANALOG
96
-10
OUTOFF Output offset
-25
OUTUD
Update rate of the
Output
1000
OUTSTPR
Output step response
(rising)
OUTSTPF
Output step response
(falling)
OUTDRIFT
Output Voltage
Temperature drift
OUTRATE
Output ratiometricity
error
OUTNOISE Noise
-0.5
-1.5
Max Unit
Comments
%VDD IOUT=-3mA
4 %VDD IOUT=3mA
10
LSB
Between 4% and 96%
of VDD
10
LSB
Between 4% and 96%
of VDD
Best fit line offset;
mV evaluated between 4%
and 96% of VDD
μs
From step on DAC
input to 90% of VDD on
150
μs
the OUT pin;
RPUOUT=4.7KΩ;
CLOUT=1nF;
VDD=5V
From step on DAC
input to 10% of VDD on
150
μs
the OUT pin;
RPUOUT=4.7KΩ;
CLOUT=1nF;
VDD=5V
0.5 % of value at mid code
1.5
% Between 4% and 96%
VDD of VDD
1KHz to 30kHz;
25 mVpp at 2048 LSB level, lab
characterization only
ams Datasheet
[v1-06] 2015-Aug-28
Page 11
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11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet AS5403A.PDF ] | |
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