AS5140H datasheet(33/38 Pages) AMSCO

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AS5140H

Data Sheet - A p p l i c a t i o n I n f o r m a t i o n

8 Application Information

The benefits of AS5140H are as follows:

Complete system-on-chip

Flexible system solution provides absolute, PWM and incremental outputs simultaneously

Ideal for applications in harsh environments due to contactless position sensing

Tolerant to magnet misalignment and airgap variations

Tolerant to external magnetic fields

Operates up to +150ºC ambient temperature

No temperature compensation necessary

No calibration required

10, 9, 8 or 7-bit user programmable resolution

Small Pb-free package: SSOP 16 (5.3mm x 6.2mm)

8.1 AS5140H Differences to AS5040

The AS5140H and AS5040 differ in the following features:

Table 22. Differences Between AS5140H and AS5040

Parameter

AS5140H

AS5040

Pin - assignment

Pin - compatible

Ambient temperature

range

-40ºC …+150ºC

-40ºC…+125ºC

Alignment mode

Exit alignment mode by power-on-reset,

Exit alignment mode by POR or with PROG=low @ falling

edge of CSn.

Exit alignment mode by power-on-reset only.

OTP programming

voltage

3.0 to 3.6V

7.3 to 7.5V

OTP programming

options

Incremental modes (quad AB, step/dir, BLDC)

Incremental resolution

Incremental Index bit width

10-bit Zero position

Direction bit (cw/ccw)

Redundancy address (1 of 16)

18-bit Chip-Identifier

Incremental modes (quad AB, step/dir, BLDC)

Incremental resolution

Incremental Index bit width

10-bit Zero position

Direction bit (cw/ccw)

OTP Programming

protocol

CSn, Prog and CLK;

52-bit serial data protocol

CSn, Prog and CLK;

16-bit (32-bit) serial data protocol

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