Datasheet
Table Of Contents
- 1 General Description
- 2 Key Features
- 3 Applications
- 4 Pin Assignments
- 5 Absolute Maximum Ratings
- 6 Electrical Characteristics
- 7 Detailed Description
- 7.1 Connecting the AS5030
- 7.2 Serial 3-Wire R/W Connection
- 7.3 Serial 3-Wire Read-only Connection
- 7.4 Serial 2-Wire Connection (R/W Mode)
- 7.5 Serial 2-Wire Continuous Readout
- 7.6 Serial 2-Wire Differential SSI Connection
- 7.7 1-Wire PWM Connection
- 7.8 Analog Output
- 7.9 Analog Sin/Cos Outputs with External Interpolator
- 7.10 3-Wire Daisy Chain Mode
- 7.11 2-Wire Daisy Chain Mode
- 8 Application Information
- 9 Package Drawings and Markings
- 10 Ordering Information
www.ams.com/AS5030 Revision 2.4 7 - 44
AS5030
Datasheet - Electrical Characteristics
6.3 Magnet Specifications
Recommended magnet: NdFeB 35H BR = 12.000 Gauss, Ø6mm x 2.5mm
6.4 Magnetic Field Alarm Limits
6.5 Hall Element Sensitivity Options
Symbol Parameter Conditions Min Typ Max Units
MD Magnet diameter Diametrically magnetized 6 mm
MT Magnet thickness 2.5 mm
B
i
Magnetic input range At chip surface, on a radius of 1mm 20 80 mT
v
i
Magnet rotation speed To maintain locked state 30.000 rpm
B
max
Magnetic field high detection
TAMB=25°C, AGC @ lower limit,
1 sigma = 2.5mT
52
mT
B
min
Magnetic field low detection
T
AMB=25°C, AGC @ upper limit,
1 sigma = 1.5mT
23
Hall array radius Over x/y chip center 1 mm
Vertical distance of magnet
Recommended distance; operation outside
this range is possible, accuracy may be
reduced
0.5 1 1.8 mm
Horizontal magnet displacement radius
From diagonal package center 0.25
mm
From diagonal IC center 0.5
tk
M
Recommended magnet material and
temperature drift
NdFeB Material -0.12
%/K
SmCo Material -0.035
Symbol Parameter Conditions Min Typ Max Units
AGC
FF
Magnetic field too low alarm limit
AGC = FF
H
untrimmed, 25°C, 1sigma
20.3 23.6 mT
AGC
0
Magnetic field too high alarm limit
AGC = 0
H
untrimmed, 25°C, 1sigma
44.5 52.2 mT
Magnetic field alarm limit trim range
(see Hall Element Sensitivity Options on
page 7)
100 121 %
Temperature coefficient of alarm ranges
Sensitivity increases with temperature which
partly compensates the temperature
coefficient of the magnet
0.052 %/K
Symbol Parameter Conditions Min Typ Max Units
sens Hall element sensitivity setting
sens = 00 (default); low sensitivity
(see 18-bit OTP Write Commands on page
25)
100
%
sens = 01 106
sens = 10 113
sens = 11 (high sensitivity) 121