AS5045ASSU austriamicrosystems, AS5045ASSU Datasheet - Page 6

• Manufacturer Part Number: AS5045ASSU
• Description: IC, MAGNETIC ROTARY ENCODER 12BIT SSOP16
• Manufacturer: austriamicrosystems

Specifications of AS5045ASSU

• Ic Function: Encoder IC
• Supply Voltage Range: 3V To 3.6V, 4.5V To 5.5V
• Operating Temperature Range: -40°C To +125°C
• Digital Ic Case Style: SSOP
• No. Of Pins: 16
• Msl: MSL 3 - 168 Hours
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AS5045 12-BIT PROGRAMMABLE MAGNETIC ROTARY ENCODER
3.6
(operating conditions: T
Integral Non-Linearity (INL) is the maximum deviation between actual position and indicated position.
Differential Non-Linearity (DNL) is the maximum deviation of the step length from one position to the next.
Transition Noise (TN) is the repeatability of an indicated position
Revision 1.5
Parameter
Resolution
Integral non-linearity (optimum)
Integral non-linearity (optimum)
Integral non-linearity
Differential non-linearity
Transition noise
Power-on reset thresholds
On voltage; 300mV typ. hysteresis
Off voltage; 300mV typ. hysteresis
Power-up time
System propagation delay
absolute output : delay of ADC,
DSP and absolute interface
Internal sampling rate for
absolute output:
Internal sampling rate for
absolute output
Read-out frequency
Electrical System Specifications
4095
2048
0
0 °
α
am b
12bit code
= -40 to +125°C, VDD5V = 3.0~3.6V (3V operation) VDD5V = 4.5~5.5V (5V operation) unless otherwise noted)
2
1
0
Symbol
INL
INL
t
RES
DNL
t
CLK
PwrUp
INL
TN
V
V
delay
f
f
S
S
0.09°
temp
on
off
opt
TN
Figure 3: Integral and differential non-linearity (example)
INL
Min
1.37
1.08
2.48
2.35
9.90
9.38
DNL+1LSB
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10.42
10.42
Typ
2.61
2.61
2.2
1.9
180°
Actual curve
Ideal curve
±0.044
2048
10.94
11.46
± 0.5
± 0.9
± 1.4
Max
0.06
0.03
2.74
2.87
384
2.9
2.6
12
20
80
96
1
RMS
Unit
MHz
Deg
kHz
kHz
deg
deg
deg
deg
ms
µs
bit
V
V
Fast mode (Mode = 1); Until status bit OCF = 1
Slow mode (Mode = 0 or open); Until OCF = 1
Note
0.088 deg
Maximum error with respect to the best line fit.
Centered magnet without calibration, T
Maximum error with respect to the best line fit.
Centered magnet without calibration,
Best line fit = (Err
Over displacement tolerance with 6mm diameter
magnet, without calibration, T
12bit, no missing codes
1 sigma, fast mode (MODE = 1)
1 sigma, slow mode (MODE=0 or open)
DC supply voltage 3.3V (VDD3V3)
DC supply voltage 3.3V (VDD3V3)
Fast mode (MODE=1)
Slow mode (MODE=0 or open)
T
T
T
T
Max. clock frequency to read out serial data
T
amb
amb
amb
amb
amb
= 25°C, slow mode (MODE=0 or open)
= -40 to +125°C, slow mode (MODE=0 or open)
= 25°C, fast mode (MODE = 1)
= -40 to +125°C, : fast mode (MODE = 1)
= -40 to +125°C
max
– Err
360 °
min
4095
) / 2
amb
= -40 to +125°C
α
amb
[degrees]
=25 °C.
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