AS5311-ASST austriamicrosystems, AS5311-ASST Datasheet - Page 3

• Manufacturer Part Number: AS5311-ASST
• Description: IC ENCODER LINEAR 20-TSSOP
• Manufacturer: austriamicrosystems
• Type: Linear, Rotary Encoder - Programmabler

Specifications of AS5311-ASST

• Voltage - Supply: 3 V ~ 3.6 V, 4.5 V ~ 5.5 V
• Current - Supply: 21mA
• Current - Output (max): 4mA
• Output Type: Digital, PWM, 12-Bit Serial
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 20-TSSOP (0.173", 4.40mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Sensing Range: -
• Features: -

AS5311
Data Sheet
4 Table of Contents
1
2
3
4
5
6
7
8
9
10
11
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5.1
5.2
6.1
6.2
6.3
6.4
6.5
6.6
7.1
7.2
7.3
7.4
7.5
10.1
10.2
10.3
General Description ...................................................................................................................... 1
Key Features ................................................................................................................................ 1
Applications.................................................................................................................................. 1
Table of Contents ......................................................................................................................... 3
Pinout .......................................................................................................................................... 5
Electrical Characteristics............................................................................................................... 6
6.3.1
6.3.2
6.3.3
6.3.4
6.6.1
6.6.2
Detailed Description.................................................................................................................... 10
7.1.1
7.3.1
7.4.1
7.4.2
Pulse Width Modulation (PWM) Output ........................................................................................ 15
3.3V / 5V Operation .................................................................................................................... 15
10.3.1
10.3.2
10.3.3
Magnet Specifications .............................................................................................................. 16
Measurement Data Example ..................................................................................................... 19
Pin Assignments ..................................................................................................................... 5
Pin Description ....................................................................................................................... 5
Absolute Maximum Ratings ..................................................................................................... 6
Operating Conditions .............................................................................................................. 7
DC Characteristics for Digital Inputs and Outputs ..................................................................... 7
Magnetic Input Specification.................................................................................................... 8
Electrical System Specifications .............................................................................................. 8
Timing Characteristics ............................................................................................................ 9
Incremental Outputs.............................................................................................................. 11
Incremental Output Hysteresis............................................................................................... 12
Synchronous Serial Interface (SSI) ........................................................................................ 12
Absolute Output Jitter and Hysteresis .................................................................................... 14
Z-axis Range Indication (“Red/Yellow/Green” Indicator) .......................................................... 14
Magnetization .................................................................................................................... 16
Position of the Index Pulse ................................................................................................. 17
Mounting the Magnet ......................................................................................................... 17
CMOS Schmitt-Trigger Inputs: CLK, CSn (CSn = internal Pull-up) ....................................... 7
CMOS Output Open Drain: MagINCn, MagDECn ................................................................ 7
CMOS Output: PW M ......................................................................................................... 7
Tristate CMOS Output: DO ................................................................................................ 8
Synchronous Serial Interface (SSI) .................................................................................... 9
Pulse Width Modulation Output........................................................................................ 10
Incremental Power-up Lock Option .................................................................................. 11
Data Contents ................................................................................................................ 13
Adding a Digital Hysteresis ............................................................................................. 14
Implementing Digital Filtering .......................................................................................... 14
Vertical Distance ......................................................................................................... 17
Alignment of Multi-pole Magnet and IC.......................................................................... 17
Lateral stroke of Multi-pole Strip Magnets ..................................................................... 17
Revision 1.04
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