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AS5048 数据表(PDF) 9 Page - ams AG

部件名 AS5048
功能描述  Magnetic Rotary Encoder 14-bit Angular Position Sensor
PDF  30 Pages
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制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS5048 数据表(HTML) 9 Page - ams AG

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Revision 1.3
www.a ustriamicrosystems.com
Page 8 of 29
AS5048A/AS5048B
Magnetic Rotary Encoder
14-bit Angular Position Sensor
Datasheet
2.4
Electrical System Specifications
VDD5V = 5V, TAmbient = -40 to +150°C unless noted otherwise
Parameter
Symbol
Min
Typ
Max
Unit
Note
Magnetic input field
Bz
30
50
70
mT
Output sampling rate
fsample
10.2
11.25
12.4
kHz
Output Resolution
RES
14
Bit
Sensor output noise
Noise
0.06
Deg
2.73LSB@14bit, rms
value
System propagation delay
tprop
90.7
100
110.2
s
PWM frequency
fPWM
0.907
1
1.102
kHz
Non-linearity optimum placement of
magnet
INLOPT
±0.4
Deg
Assuming 8 mm
diameter of magnet
Non-linearity @displacement of
magnet
INLDIS
±0.7
Deg
Assuming 8 mm
diameter of magnet and
500 um displacement in
x and y
Non-linearity @displacement of
magnet and temperature -40 -150
degC
INLDIS+TEMP
±1.2
Deg
Assuming 8 mm
diameter of magnet and
500 um displacement in
x and y
Startup Time
tstartup
10
ms
Ta ble 5 Sy stem specification
2.5
Global Timing Conditions
Parameter
Symbol
Min
Typ
Max
Unit
Note
Internal Master Clock
FOSC
4.05
4.5
4.95
MHz
±10%
TOSC
1/FOSC
Hz
Ta ble 6 Global timing conditions



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