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AS5045ASST 数据表(PDF) 9 Page - ams AG

部件名 AS5045ASST
功能描述  12 Bit Programmable Magnetic Rotary Encoder
PDF  33 Pages
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制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS5045ASST 数据表(HTML) 9 Page - ams AG

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AS5045
Data Sheet
www.austriamicrosystems.com
Revision 1.7
9 – 33
6.6
Electrical System Specifications
(operating conditions: Tamb = -40 to +125°C, VDD5V = 3.0~3.6V (3V operation) VDD5V = 4.5~5.5V (5V operation)
unless otherwise noted)
Parameter
Symbol
Min
Typ
Max
Unit
Note
Resolution
RES
12
bit
0.088 deg
Integral non-linearity
(optimum)
INLopt
± 0.5
deg
Maximum error with respect to
the best line fit. Centered magnet
without calibration, Tamb =25 °C.
Integral non-linearity
(optimum)
INLtemp
± 0.9
deg
Maximum error with respect to
the best line fit. Centered magnet
without calibration,
Tamb = -40 to +125°C
Integral non-linearity
INL
± 1.4
deg
Best line fit =
(Errmax – Errmin) / 2
Over displacement tolerance with
6mm diameter magnet, without
calibration,
Tamb = -40 to +125°C
Differential non-linearity
DNL
±0.044
deg
12bit, no missing codes
0.06
1 sigma, fast mode
(MODE = 1)
Transition noise
TN
0.03
deg
RMS
1 sigma, slow mode (MODE=0 or
open)
Power-on reset thresholds
On voltage; 300mV typ.
hysteresis
Off voltage; 300mV typ.
hysteresis
Von
Voff
1.37
1.08
2.2
1.9
2.9
2.6
V
DC supply voltage 3.3V
(VDD3V3)
DC supply voltage 3.3V
(VDD3V3)
20
Fast mode (Mode = 1); until
status bit OCF = 1
Power-up time
tPwrUp
80
ms
Slow mode (Mode = 0 or open);
until OCF = 1
96
Fast mode (MODE=1)
System propagation delay
absolute output : delay of
ADC, DSP and absolute
interface
tdelay
384
µs
Slow mode (MODE=0 or open)
2.48
2.61
2.74
Tamb = 25°C, slow mode
(MODE=0 or open)
Internal sampling rate for
absolute output:
fS
2.35
2.61
2.87
kHz
Tamb = -40 to +125°C, slow mode
(MODE=0 or open)
9.90
10.42
10.94
Tamb = 25°C, fast mode
(MODE = 1)
Internal sampling rate for
absolute output
fS
9.38
10.42
11.46
kHz
Tamb = -40 to +125°C, : fast mode
(MODE = 1)
Read-out frequency
CLK
1
MHz
Max. clock frequency to read out
serial data



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