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PDF AS5047D Data sheet ( Hoja de datos )
| Número de pieza | AS5047D | |
| Descripción | 14-bit On-Axis Magnetic Rotary Position Sensor | |
| Fabricantes | ams | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AS5047D (archivo pdf) en la parte inferior de esta página. Total 37 Páginas | ||
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General Description
AS5047D
14-bit On-Axis Magnetic Rotary
Position Sensor with 11-bit Decimal &
Binary Incremental Pulse Count
The AS5047D is a high-resolution rotary position sensor for fast
absolute angle measurement over a full 360-degree range. This
new position sensor is equipped with revolutionary integrated
dynamic angle error compensation (DAEC™) with almost 0
latency and offers a robust design that suppresses the influence
of any homogenous external stray magnetic field.
A standard 4-wire SPI serial interface allows a host
microcontroller to read 14-bit absolute angle position data
from the AS5047D and to program non-volatile settings
without a dedicated programmer.
Incremental movements are indicated on a set of ABI signals
with a maximum resolution of 2000 steps / 500 pulses per
revolution in decimal mode and 2048 steps / 512 pules per
revolution in binary mode. The resolution of the ABI signal is
programmable and can be reduced to 32 steps per revolution,
or 8 pulses per revolution.
Brushless DC (BLDC) motors are controlled through a standard
UVW commutation interface with a programmable number of
pole pairs from 1 to 7. The absolute angle position is also
provided as PWM-encoded output signal
The AS5047D is available as a single die in a compact 14-pin
TSSOP package.
Ordering Information and Content Guide appear at end of
datasheet.
ams Datasheet: 2014-Jun-27 [v1-02]
AS5047D – 1
1 page  
Absolute Maximum Ratings
Absolute Maximum Ratings
Figure 5:
Absolute Maximum Ratings
Stresses beyond those listed under
“Absolute Maximum Ratings” 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 under “Operating Conditions” is not implied.
Exposure to absolute maximum rating conditions for extended
periods may affect device reliability.
Symbol
Parameter
Min Max Units
Note
VDD5 DC supply voltage at VDD pin -0.3
7.0
V
VDD3
VSS
Vin
Iscr
DC supply voltage at VDD3V3
pin
-0.3
5.0
V
DC supply voltage at GND pin -0.3
0.3
V
Input pin voltage
VDD+0.3 V
Input current
(latch-up immunity)
-100 100
mA Norm: AEC-Q100-004
ESD Electrostatic discharge
Pt
Total power dissipation
(all supplies and outputs)
Ta5V0 Ambient temperature 5V0
Ta3V3 Ambient temperature 3V3
TaProg Programming Temperature
Tstrg
Tbody
Storage temperature
Package body temperature
Humidity non-condensing
Moisture sensitivity level
±2
150
-40 125
-40 125
5 45
-55 150
260
5 85
3
kV Norm: AEC-Q100-002
mW
°C
In the 5.0V power supply mode
only
°C
In the 3.3V power supply mode if
NOISESET = 0
°C
Programming @
Roomtemperature (25°C ± 20°C)
°C
°C Norm: IPC/JEDEC J-STD-020
%
Represents a maximum floor
lifetime of 168h
ams Datasheet: 2014-Jun-27 [v1-02]
AS5047D – 5
5 Page 
Detailed Description
Figure 11:
SPI Timing Diagram
SPI Timing
The AS5047D SPI timing is shown in Figure 11.
CSn
(Input)
CLK
(Input)
MISO
(Output)
MOSI
(Input)
tL
tclk
tclkL
tclkH
tMISO
Data[15]
tMOSI
Data[15]
Data[14]
Data[14]
tCSn
tH
Data[0]
Data[0]
tOZ
tOZ
Figure 12:
SPI Timing
Parameter
Description
tL
tclk
tclkL
tclkH
tH
tCSn
tMOSI
tMISO
tOZ
Time between CSn falling edge and CLK rising edge
Serial clock period
Low period of serial clock
High period of serial clock
Time between last falling edge of CLK and rising
edge of CSn
High time of CSn between two transmissions
Data input valid to falling clock edge
CLK edge to data output valid
Release bus time after CS rising edge.
Min
350
100
50
50
tclk / 2
350
20
Max
20
10
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ams Datasheet: 2014-Jun-27 [v1-02]
AS5047D – 11
11 Page | ||
| Páginas | Total 37 Páginas | |
| PDF Descargar | [ Datasheet AS5047D.PDF ] | |
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