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MA782 Datasheet Preview

MA782 Datasheet

Low-Power Angle Sensor

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MagAlpha MA782
Low-Power Angle Sensor with
Integrated Wake-Up and Interrupt Logic
PRELIMINARY SPECIFICATIONS SUBJECT TO CHANGE
DESCRIPTION
FEATURES
The MA782 detects the absolute angular
position of a permanent magnet (typically a
diametrically magnetized cylinder on a rotating
shaft). With its power cycling ability, the sensor
is suitable for applications requiring low average
power. The timing can be controlled by an on-
chip clock or by an external controller. Flags are
available for detecting a definable amount of
angle change.
The MA782 supports a wide range of magnetic
field strengths and spatial configurations. Both
end-of-shaft and off-axis (side-shaft mounting)
configurations are supported.
8 Bit to 12 Bit Resolution Absolute
Contactless Angle Encoder
1µA Current Consumption in Idle Mode
10mA Current Consumption in Active Mode
Internal or External Power Cycling Control
Warning on Change Flags
SPI Serial Interface for Digital Angle
Readout and Chip Configuration
Magnetic Field Strength Alarm
3.3V Supply
-40°C to +125°C Operating Temperature
Available in a QFN-14 (2mmx2mm)
Package
The MA782 features magnetic field strength
detection with programmable thresholds to allow
the sensing of the magnet position relative to the
sensor for creation of functions such as the
sensing of axial movements or for diagnostics.
APPLICATIONS
General Purpose Angle Measurement
Portable Devices
Low Power Rotary Knob
On-chip non-volatile memory provides storage
for configuration parameters, including the
reference zero angle position, the power cycling
parameters, the filter window affecting the output
resolution and magnetic field detection
thresholds.
All MPS parts are lead-free, halogen-free, and adhere to the RoHS directive. For
MPS green status, please visit the MPS website under Quality Assurance. “MPS”,
the MPS logo, and “Simple, Easy Solutions” are trademarks of Monolithic Power
Systems, Inc. or its subsidiaries.
TYPICAL APPLICATION
Supply : 3.3 V
Example: 100 µA average
1µF
Controller
SPI
interface
master
MISO
MOSI
SCLK
CS
VDDIO
VDD
ND
Example: 10 Hz
GND
Target magnet
MA782 Rev. 0.8
www.MonolithicPower.com
1
2/27/2020
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
Preliminary Specifications Subject to Change
© 2020 MPS. All Rights Reserved.




MPS

MA782 Datasheet Preview

MA782 Datasheet

Low-Power Angle Sensor

No Preview Available !

MA782 LOW-POWER ANGLE SENSOR
PRELIMINARY SPECIFICATIONS SUBJECT TO CHANGE
ORDERING INFORMATION
Part Number*
MA782GGU
Package
QFN-14 (2mmx2mm)
Top Marking
See Below
MSL Rating
1
* For Tape & Reel, add suffix Z (e.g. MA782GGUZ)
TOP MARKING
KV: Product code of MA782GGU
Y: Year code
LLL: Lot number
PACKAGE REFERENCE
TOP VIEW
QFN-14 (2mmx2mm)
MA782 Rev. 0.8
www.MonolithicPower.com
2
2/27/2020
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
Preliminary Specifications Subject to Change
© 2020 MPS. All Rights Reserved.


Part Number MA782
Description Low-Power Angle Sensor
Maker MPS
PDF Download

MA782 Datasheet PDF






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