Integrated AMR Angle Sensor and Signal Conditioner with Differential Outputs
FEATURES
Full featured evaluation board for the
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PC control in conjunction with the System Demonstration Plat-
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form (SDP) (EVAL-SDP-CS1Z, SDP-S or EVAL-SDP-CB1Z,
SDP-B)
PC software for data measurement and display
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EVALUATION KIT CONTENTS
EVAL-ADA4570SDZ evaluation board
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ADA4570 magnet stimulus
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Dipole magnet
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Hand movable mounting
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ADDITIONAL HARDWARE REQUIRED
The SDP-S or the SDP-B controller board with a USB cable
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ADDITIONAL SOFTWARE REQUIRED
EVAL-ADA4570SDZ Software Installer
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GENERAL DESCRIPTION
The ADA4570 is an anisotropic magnetoresistive (AMR) sensor
with integrated signal conditioning amplifiers and analog-to-digital
converter (ADC) drivers. The ADA4570 produces two differential
analog output pairs that indicate the angular position of the sur-
rounding magnetic field.
ADA4570 END OF SHAFT MAGNETIC EVALUATION SYSTEM
Figure 1. ADA4570 End of Shaft Magnetic Evaluation System Consisting of the PC GUI, the SDP, and the EVAL-ADA4570SDZ
PLEASE SEE THE LAST PAGE FOR AN IMPORTANT
WARNING AND LEGAL TERMS AND CONDITIONS.
ADA4570
User Guide | EVAL-ADA4570
The EVAL-ADA4570SDZ evaluation board features the ADA4570 in
an end of shaft magnet configuration.
The evaluation kit is composed of the EVAL-ADA4570SDZ and
a magnetic stimulus on a printed circuit board (PCB) mount. To in-
terface to a computer, the EVAL-SDP-CS1Z (SDP-S) or the EVAL-
SDP-CB1Z (SDP-B) is required which must be ordered separately.
An illustration of the ADA4570 evaluation system consisting of
the PC graphic user interface (GUI), the SDP, and the EVAL-
ADA4570SDZ is shown in
Figure
to either the SDP-S or the SDP-B interface card.
The EVAL-ADA4570SDZ allows a detailed evaluation of the
ADA4570 where the software GUI demonstrates angular measure-
ment and performs system level calibration.
The EVAL-ADA4570SDZ also provides access via a standard
header for power and digital signals to the on-board ADC interface
(AD7266), which allows evaluation of the ADA4570 with a user
preferred microcontroller platform and to start the system software
development. Users can also access the analog output signals
of the ADA4570 to a user preferred ADC with a microcontroller
platform.
The PCB is designed so that the sensor board can be detached
from the SDP interface to provide a smaller form factor. Power
supplies can be sourced from either the USB port via the SDP card
or an external bench supply.
For full details, see the
ADA4570
used in conjunction with this user guide when using the EVAL-
ADA4570SDZ.
UG-2004
1. In this user guide, SDP refers
data sheet, which must be
Rev. 0 | 1 of 17
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