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PDF AS5600 Data sheet ( Hoja de datos )
| Número de pieza | AS5600 | |
| Descripción | 12-bit Programmable Contactless Potentiometer | |
| Fabricantes | ams | |
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AS5600
12-bit Programmable Contactless
Potentiometer
General Description
Figure 1:
Added Value of Using AS5600
The AS5600 is an easy to program magnetic rotary position
sensor with a high-resolution 12-bit analog or PWM output. This
contactless system measures the absolute angle of a diametric
magnetized on-axis magnet. This AS5600 is designed for
contactless potentiometer applications and its robust design
eliminates the influence of any homogenous external stray
magnetic fields.
The industry-standard I²C interface supports simple user
programming of non-volatile parameters without requiring a
dedicated programmer.
By default the output represents a range from 0 to 360 degrees.
It is also possible to define a smaller range to the output by
programming a zero angle (start position) and a maximum
angle (stop position).
The AS5600 is also equipped with a smart low power mode
feature to automatically reduce the power consumption.
An input pin (DIR) selects the polarity of the output with regard
to rotation direction. If DIR is connected to ground, the output
value increases with clockwise rotation. If DIR is connected to
VDD, the output value increases with counterclockwise
rotation.
Ordering Information and Content Guide appear at end of
datasheet.
Key Benefits & Features
The benefits and features of AS5600, 12-bit Programmable
Contactless Potentiometer are listed below:
Benefits
Highest reliability and durability
Simple programming
Great flexibility on angular excursion
High-resolution output signal
Selectable output
Low-power consumption
Features
Contactless angle measurement
Simple user-programmable start and stop positions over the I²C
interface
Maximum angle programmable from 18° up to 360°
12-bit DAC output resolution
Analog output ratiometric to VDD or PWM-encoded digital output
Automatic entry into low-power mode
ams Datasheet
[v1-01] 2014-Oct-14
Page 1
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1 page  
AS5600 − Electrical Characteristics
Electrical Characteristics
All limits are guaranteed. The parameters with minimum and
maximum values are guaranteed with production tests or SQC
(Statistical Quality Control) methods.
Operating Conditions
Figure 6:
System Electrical Characteristics and Temperature Range
Symbol
Parameter
Conditions
Min Typ Max Units
VDD5V
Positive supply voltage in
5.0V mode
5.0V operation mode
During OTP burn procedure (2)
4.5
5.0
5.5
V
VDD3V3
Positive supply voltage in
3.3V mode
3.3V operation mode
During OTP burn procedure (2)
3.0
3.3
3.3
3.4
3.6
3.5
V
V
IDD
Supply current in NOM (1)
PM = 00
Always on
6.5 mA
lDD_LPM1
Supply current in LPM1 (1)
PM = 01
Polling time = 5ms
3.4 mA
lDD_ LPM2
Supply current in LPM2 (1)
PM = 10
Polling time = 20ms
1.8 mA
lDD_ LPM3
Supply current in LPM3 (1)
PM = 11
Polling time = 100ms
1.5 mA
IDD_BURN
Supply current per bit for
burn procedure
Initial peak, 1 μs
Steady burning,<30 μs
100 mA
40 mA
TA Operating temperature
TP
Programming
temperature
-40 +125 °C
+20 +30 °C
Note(s) and/or Footnote(s):
1. For typical magnetic field (60mT) excluding current delivered to the external load and tolerance on polling times.
2. For OTP burn procedure the supply line source resistance should not exceed 1Ohm.
ams Datasheet
[v1-01] 2014-Oct-14
Page 5
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5 Page 
AS5600 − Detailed Description
Figure 15:
I²C Electrical Specifications
I²C Electrical Specification
Symbol
Parameter
Conditions Min Typ Max Unit
VIL Logic low input voltage
-0.3
0.3 x
VDD
V
VIH Logic high input voltage
0.7 x
VDD
VDD +
0.3
V
VHYS
Hysteresis of Schmitt trigger
inputs
VDD > 2.5V
0.05 x
VDD
V
Logic low output voltage
VOL (open-drain or open-collector) at VDD > 2.5V
3 mA sink current
0.4 V
IOL Logic low output current
VOL = 0.4V
20
mA
tOF
Output fall time from VIHmax to
VILmax
10
120 (1)
ns
tSP
Pulse width of spikes that must
be suppressed by the input filter
50 (2)
ns
Input Voltage
II
Input current at each I/O Pin
between 0.1 x
VDD and 0.9 x
-10
VDD
+10 (3)
μA
CB
Total capacitive load for each bus
line
550 pF
CI/O I/O capacitance (SDA, SCL) (4)
10 pF
Note(s) and/or Footnote(s):
1. In Fast-mode Plus, fall time is specified the same for both output stage and bus timing. If series resistors are used this has to be
considered for bus timing.
2. Input filters on the SDA and SCL inputs suppress noise spikes of less than 50 ns.
3. I/O pins of Fast-mode and Fast-mode Plus devices must not load or drive the SDA and SCL lines if VDD is switched OFF.
4. Special-purpose devices such as multiplexers and switches may exceed this capacitance because they connect multiple paths
together.
ams Datasheet
[v1-01] 2014-Oct-14
Page 11
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| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet AS5600.PDF ] | |
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