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PDF AS5035 Data sheet ( Hoja de datos )
| Número de pieza | AS5035 | |
| Descripción | 8-bit (64 PPR) INCREMENTAL MAGNETIC ROTARY ENCODER | |
| Fabricantes | austriamicrosystems AG | |
| Logotipo |  |
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AS5035
PROGRAMMABLE 64 PPR INCREMENTAL MAGNETIC ROTARY ENCODER
DATA SHEET
1 General Description
The AS5035 is a magnetic incremental encoder with 64
quadrature pulses per revolution (8-bit resolution) and
index output.
Two diagnostic outputs are provided to indicate an out-of-
range condition of the magnetic field as well as movement
of the magnet in Z-axis. In addition a specific combination
of output states indicate a loss of power supply.
The AS5035 is available in a small 16pin SSOP package. It
can be operated at either 3.3V or 5V supplies.
2 Key Features
- Full turn (360°) contactless angular position encoder
- 2 quadrature A/B outputs with 64 pulses per revolution
(ppr), 256 edges per revolution, 1.4° per step
- Index output (one pulse per revolution)
- Accurate user programmable zero position (0.35°)
- Failure detection mode for magnet placement
monitoring and loss of power supply
- Wide temperature range: - 40°C to + 125°C
- Small lead-free package: SSOP 16 (5.3mm x 6.2mm)
Figure 1: Typical arrangement of AS5035 and magnet
1.1 Benefits
- Complete system-on-chip, including analog front end
and digital signal processing
- 2-channel quadrature and index outputs provide an
alternative to optical encoders
- User programmable Zero positioning by OTP allows
easy assembly of magnet
- Diagnostic features for operation safety
- Ideal for applications in harsh environments due to
magnetic sensing principle
- Robust system, tolerant to magnet misalignment, air
gap variations, temperature variations and external
magnetic stray fields
- No calibration required
3 Applications
Industrial applications:
- Robotics
- Replacement of optical encoders
- Flow meters
- Man-machine interface
Automotive applications:
- Power seat position sensing
- Power mirror position sensing
4 Pin Configuration
Figure 2: AS5035 Pin configuration SSOP16
Revision 1.5
www.austriamicrosystems.com
Page 1 of 17
1 page  
AS5035 – 64 PPR INCREMENTAL MAGNETIC ROTARY ENCODER
7 Zero Position Programming
Zero Position Programming is an OTP option that simplifies
assembly of a system, as the magnet does not need to be
manually adjusted to the mechanical zero position. Once
the assembly is completed, the mechanical and electrical
zero positions can be matched by software. Any position
within a full turn can be defined as the permanent new
index position.
For Zero Position Programming, the magnet is turned to
the mechanical zero position (e.g. the “off”-position of a
rotary switch) and an automatic zero position programming
is applied.
The zero position is programmed to an accuracy of +/-
0.35°.
Figure 6: Hardware connection of AS5035 to AS50xx Demoboard for Zero Position Programming
Revision 1.5
www.austriamicrosystems.com
Page 5 of 17
5 Page 
AS5035 – 64 PPR INCREMENTAL MAGNETIC ROTARY ENCODER
12 Electrical Characteristics
12.1 Absolute Maximum Ratings (non operating)
Stresses beyond those listed under “Absolute Maximum Ratings“ may cause permanent damage to the device. These are stress ratings
only. Functional operation of the device at these or any other conditions beyond those indicated under “Operating Conditions” is not
implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
Parameter
Symbol Min
Max Unit Note
DC supply voltage at pin VDD5V
VDD5V
-0.3
7V
DC supply voltage at pin VDD3V3
VDD3V3
5V
Input pin voltage
Vin -0.3 VDD5V +0.3 V
Input current (latchup immunity)
Iscr -100
100 mA Norm: JEDEC 78
Electrostatic discharge
ESD ± 2
kV Norm: MIL 883 E method 3015
Storage temperature
Body temperature (Lead-free package)
Tstrg
TBody
-55
125 °C Min – 67°F ; Max +257°F
260
°C
t=20 to 40s, Norm: IPC/JEDEC J-Std-020C
Lead finish 100% Sn “matte tin”
Humidity non-condensing
rH 5
85 %
12.2 Operating Conditions
Parameter
Ambient temperature
Supply current
Supply voltage at pin VDD5V
Voltage regulator output voltage at pin VDD3V3
Supply voltage at pin VDD5V
Supply voltage at pin VDD3V3
Symbol Min Typ Max Unit Note
Tamb -40
125 °C -40°F…+257°F
Isupp
16 25 mA
VDD5V 4.5 5.0 5.5
VDD3V3 3.0 3.3 3.6
VDD5V 3.0 3.3 3.6
VDD3V3 3.0 3.3 3.6
V
V
5V Operation
V 3.3V Operation
V (pin VDD5V and VDD3V3 connected)
12.3 DC Characteristics for Digital Inputs and Outputs
12.3.1 CMOS Schmitt-Trigger Inputs: OTP_CLK, CSn (CSn = internal Pull-up)
Parameter
Symbol
Min
Max
High level input voltage
Low level input voltage
Schmitt-Trigger hysteresis
Input leakage current
Pull-up low level input current
VIH
VIL
VIon- VIoff
ILEAK
IiL
0.7 * VDD5V
1
-1
-30
0.3 * VDD5V
1
-100
Unit Note
V Normal operation
V
V
µA CLK only
µA CSn only, VDD5V: 5.0V
12.3.2 CMOS Output Open Drain: MagINCn, MagDECn
Parameter
Symbol
Low level output voltage
VOL
Output current
IO
Open drain leakage current
IOZ
Min
Max
VSS+0.4
4
2
1
Unit Note
V
mA
VDD5V: 4.5V
VDD5V: 3V
µA
Revision 1.5
www.austriamicrosystems.com
Page 11 of 17
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet AS5035.PDF ] | |
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