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AS5140H Datasheet(PDF) 10 Page - ams AG

Part # AS5140H
Description  10-Bit 360 Programmable Magnetic Rotary Encoder For High Ambient Temperatures
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS5140H Datasheet(HTML) 10 Page - ams AG

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www.austriamicrosystems.com/AS5140H
Revision 1.4
9 - 37
AS5140H
Data Sheet - E l e c t r i c a l C h a r a c t e r i s t i c s
6.4 Programming Conditions
TAMB = -40 to 150ºC, VDD5V = 3.0-3.6V (3V operation) VDD5V = 4.5-5.5V (5V operation), unless otherwise noted.
LSB
7 bit
Adjustable resolution only available for
incremental output modes;
Least significant bit, minimum step
2.813
deg
8 bit
1.406
9 bit
0.703
10 bit
0.352
INLopt
Integral non-linearity (optimum)
2
Maximum error with respect to the best line
fit.
Verified at optimum magnet placement,
TAMB =25ºC
±0.5
deg
INLtemp
Integral non-linearity (optimum)
Maximum error with respect to the best line
fit.
Verified at optimum magnet placement,
TAMB = -40 to +150ºC
±0.9
deg
INL
Integral non-linearity
Best line fit = (Errmax – Errmin) / 2
Over displacement tolerance with 6mm
diameter magnet, TAMB = -40 to +150ºC
(see Figure 3)
±1.4
deg
DNL
Differential non-linearity
3
10bit, no missing codes
±0.176
deg
TN
Transition noise
4
RMS equivalent to 1 sigma
0.12
Deg
RMS
Hyst
Hysteresis
Incremental modes only
0.704
deg
Von
Power-on reset thresholds
On voltage; 300mV typ. hysteresis
DC supply voltage 3.3V (VDD3V3)
1.37
2.2
2.9
V
Voff
Power-on reset thresholds
Off voltage; 300mV typ. hysteresis
1.08
1.9
2.6
tPwrUp
Power-up time
Until offset compensation finished
50
ms
tdelay
System propagation delay
absolute output
Includes delay of ADC and DSP
48
µs
System propagation delay
incremental output
Calculation over two samples
192
µs
fS
Sampling rate for absolute output
Internal sampling rate, TAMB = 25ºC
9.90
10.42
10.94
kHz
Internal sampling rate, TAMB = -40 to
+150ºC
9.38
10.42
11.46
CLK
Read-out frequency
Max. clock frequency to read out serial data
1
MHz
1. Digital Interface
2. Integral Non-Linearity (INL) is the maximum deviation between actual position and indicated position.
3. Differential Non-Linearity (DNL) is the maximum deviation of the step length from one position to the next.
4. Transition Noise (TN) is the repeatability of an indicated position.
Table 12. Programming Conditions
Symbol
Parameter
Conditions
Min
Typ
Max
Units
VPROG
Programming voltage
Voltage applied during programming
3.0
3.3
3.6
V
VProgOff
Programming voltage off level
Line must be discharged to this level
0
1
V
IPROG
Programming current
Current during programming
100
mA
Table 11. Electrical System Specifications (Continued)
Symbol
Parameter
Conditions
Min
Typ
Max
Units


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