AS5045-ASST austriamicrosystems, AS5045-ASST Datasheet - Page 2

• Manufacturer Part Number: AS5045-ASST
• Description: IC ENCODER PROG 12-BIT 16-SSOP
• Manufacturer: austriamicrosystems
• Type: Linear, Rotary Encoder - Programmabler

Specifications of AS5045-ASST

• Sensing Range: 45mT ~ 75mT
• 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
• Features: Programmable
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 16-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: AS5045-ASSTTR

AS5045
Data Sheet
Table of Contents
1
2
3
4
5
6
6.4.1
6.4.2
6.4.3
6.4.4
6.4.5
6.7.1
6.7.2
7
8
8.1.1
8.1.2
9
10
11
12
13
14
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5.1
5.2
6.1
6.2
6.3
6.4
6.5
6.6
6.7
6.8
8.1
8.2
9.1
11.1 Zero Position Programming....................................................................................................................18
11.2 Repeated OTP Programming .................................................................................................................18
11.3 Non-permanent Programming ................................................................................................................19
11.4 Analog Readback Mode .........................................................................................................................20
14.1 Physical Placement of the Magnet .........................................................................................................24
CMOS Schmitt-Trigger Inputs: CLK, CSn. (CSn = internal Pull-up) .......................................................... 7
CMOS / Program Input: Prog................................................................................................................... 7
CMOS Output Open Drain: MagINCn, MagDECn .................................................................................... 7
CMOS Output: PWM ............................................................................................................................... 7
Tristate CMOS Output: DO ...................................................................................................................... 8
Synchronous Serial Interface (SSI).........................................................................................................10
Pulse Width Modulation Output ..............................................................................................................11
Data Content ..........................................................................................................................................14
Z-axis Range Indication (Push Button Feature, Red/Yellow/Green Indicator)..........................................14
General Description ................................................................................................................................ 1
Benefits................................................................................................................................................... 1
Key Features .......................................................................................................................................... 1
Applications ............................................................................................................................................ 1
Pinout ..................................................................................................................................................... 4
Pin Configuration .................................................................................................................................... 4
Pin Description........................................................................................................................................ 4
Electrical Characteristics......................................................................................................................... 5
AS5045 Differences to AS5040 ............................................................................................................... 5
Absolute Maximum Ratings (non operating) ............................................................................................ 6
Operating Conditions .............................................................................................................................. 6
DC Characteristics for Digital Inputs and Outputs.................................................................................... 7
Magnetic Input Specification ................................................................................................................... 8
Electrical System Specifications .............................................................................................................. 9
Timing Characteristics............................................................................................................................10
Programming Conditions ........................................................................................................................11
Functional Description............................................................................................................................12
Mode Input Pin.......................................................................................................................................13
Synchronous Serial Interface (SSI) ........................................................................................................13
Daisy Chain Mode ..................................................................................................................................15
Pulse Width Modulation (PWM) Output ..................................................................................................16
Changing the PWM Frequency...............................................................................................................17
Analog Output ........................................................................................................................................17
Programming the AS5045 ......................................................................................................................18
Alignment Mode .....................................................................................................................................21
3.3V / 5V Operation ...............................................................................................................................22
Choosing the Proper Magnet..................................................................................................................23
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