AS5050_07 Datasheet, PDF (5/25 Pages) ams AG – Low Power 10-Bit Magnetic Rotary Encoder

AS5050
Datasheet - Electrical Characteristics
6 Electrical Characteristics
6.1 Operating Conditions
Table 3. Operating Conditions
Parameter
Conditions
Min
DC supply voltage
VDD
3.0
Peripheral supply voltage¹
VDDp
1.8
Input pin voltage
VIN
-0.3
Ambient operating temperature
-40
External component
Power supply filter, pin VDD
2.2
(refer to Power Supply Filter on page 6)
15
Ceramic capacitor, pin VDDp to VSS
100
1. VDDp must not exceed VDD (protection diode between VDDp and VDD)
Typ
Max
Units
3.6
V
VDD
V
VDDp +0.3
V
85
°C
4.7
µF
33
Ω
nF
6.2 System Parameters
Table 4. System Parameters
Symbol
Parameter
I_10
I_100
Operating current
I_max
Readout rate
Power down current
Rd
Lateral displacement range
B_Z
Magnetic field strength
Serial interface
Resolution; angle
INL
IC package
1. Without the time for the SPI interface
Conditions
Min Typ Max
Average current @ 10ms readout rate¹
0.4
Average current @ 100ms readout rate
40
Maximum readout rate
8.5
Time between READ ANGLE command and
INTERRUPT
320
430
Power down current
3
Centre of the magnet to the centre of the die -
± 0.5
30
-
80
SPI mode 1 (CPOL = 0 / CPHA =1)
10
Best-fit line - over supply, displacement and
temperature – but without quantization
-1.41
1.41
QFN 4x4x0.85
Units
mA
µA
mA
µs
µA
mm
mT
bit
degree
6.3 DC/AC Characteristics
Digital pads: MISO, MOSI, SCK, SS/, EN_INT/, INT/, Wire_mode
Table 5. DC/AC Characteristics
Symbol
Parameter
V_IH
High level input voltage
V_IL
Low level input voltage
V_IL
Low level input voltage
I_LEAK
Input leakage current
V_OH
High level output voltage
V_OL
Low level output voltage
C_L
Capacitive load
Conditions
VDDp > 2.7V
VDDp < 2.7V
Min
Typ
Max
Units
0.7 * VDDp
V
0.3 * VDDp V
0.25 * VDDp V
1
µA
VDDp - 0.5
V
VSS + 0.4 V
35
pF
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