AS5043ASSU austriamicrosystems, AS5043ASSU Datasheet - Page 30

• Manufacturer Part Number: AS5043ASSU
• Description: IC, MAGNETIC ROTARY ENCODER 10BIT SSOP16
• Manufacturer: austriamicrosystems

Specifications of AS5043ASSU

• 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

AS5043
Data Sheet – Electrical Characteristics
19.3.6 OPAMP Output Stage
19.4 Magnetic Input Specification
(operating conditions: T
otherwise noted)
Two-pole cylindrical diametrically magnetised source:
www.austriamicrosystems.com
Power Supply Range
Parallel Load
Capacitance
Parallel Load Resistance
Open Loop Gain
Offset Voltage RTI
Output Range Low
Output Range High
Current capability sink
Current capability source
Output noise
OPAMP gain (non-
inverting)
Parameter
Parameter
Diameter
Thickness
Magnetic input field
amplitude
Magnetic offset
Field non-linearity
Input frequency
(rotational speed of
magnet)
Displacement radius
Recommended magnet
material and
temperature drift
amb
VDD5V
Isource
= -40 to +125°C, VDD5V = 3.0-3.6V (3V operation) VDD5V = 4.5-5.5V (5V operation) unless
Symbol
VosOP
Symbol
VoutH
VoutL
f
V
f
Gain
Isink
mag_abs
mag_inc
Disp
CL
RL
d
A0
t
noise
B
B
mag
mag
pk
off
VDD5V
0.95 *
Min
2.5
45
160
Min
3.0
4.7
4.8
4.6
4
92
-5
1
-0.035
-0.12
Typ
6
130
220
Revision 1.80
Typ
2
Max
± 10
0.25
166
75
10
5
VDD5V
0.05 *
100
144
490
Max
5.5
50
66
Unit
%/K
5
4
mm
mm
mm
mT
mT
Hz
Hz
%
Note
Recommended magnet: Ø 6mm x 2.5mm for
cylindrical magnets
Required vertical component of the magnetic
field strength on the die’s surface, measured
along a concentric circle with a radius of 1.1mm
Constant magnetic stray field
Including offset gradient
Absolute mode: 600 rpm @ readout of 1024
positions (see table 6)
Incremental mode: no missing pulses at
rotational speeds of up to 10,000 rpm (see
table 6)
Max. offset between defined device center and
magnet axis
NdFeB (Neodymium Iron Boron)
SmCo (Samarium Cobalt)
µVrms
Unit
mV
mA
mA
kΩ
dB
pF
V
V
V
3.3V operation
3 sigma
Linear range of analog output
Permanent short circuit current:
V
Permanent short circuit current:
V
Over full temperature range;
BW= 1Hz…10MHz,Gain = 2x
Internal; OTP: FB_int EN = 1
External OTP: FB_int EN = 0
(default)
With external resistors, pins Vout
[#12] and FB [#11]: see Figure 14
Note
out
out
to VDD5V
to VSS
30 – 36