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AS5140H
Data Sheet - Application Information
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 +150?/SPAN>C 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
-40篊 &+150篊
-40篊&+125篊
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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