ATS693LSG Datasheet, PDF (1/15 Pages) Allegro MicroSystems – Three-wire, pulse width output protocol

ATS693LSG
Three-Wire, Differential, Vibration Resistant
Sensor IC with Speed and Direction Output
FEATURES AND BENEFITS
• Three-wire, pulse width output protocol
• Digital output representing target profile
• Speed and direction information of target
• Vibration tolerance
□□Small signal lockout for small amplitude vibration
□□Proprietary vibration detection algorithms for large
amplitude vibration
• Air gap independent switch points
• Large operating air gap capability
• Undervoltage lockout
• True zero-speed operation
• Wide operating voltage range
• Single chip sensing IC for high reliability
• Robust test coverage capability with Scan Path and
IDDQ measurement
Package: 4-pin SIP (suffix SG)
DESCRIPTION
The ATS693LSG is an optimized Hall-effect integrated circuit
(IC) and rare earth pellet combination that provides a user-
friendly solution for direction detection and true zero-speed,
digital gear tooth sensing. The small package can be easily
assembled and used in conjunction with a wide variety of gear
tooth sensing applications.
The IC employs patented algorithms for the special operational
requirements of automotive transmission applications. The
speed and direction of the target are communicated through a
variable pulse width output protocol.TheATS693 is particularly
adept at handling vibration without sacrificing maximum air
gap capability or creating any erroneous direction information.
Even higher angular vibration caused by engine cranking is
completely rejected by the device. The advanced vibration
detection algorithm systematically calibrates the sensor IC
on the initial teeth of true target rotation and not on vibration,
always guaranteeing an accurate signal in running mode.
Advanced signal processing and innovative algorithms make
the ATS693 an ideal solution for a wide range of speed and
direction sensing needs.
This device is available in a lead (Pb) free 4-pin SIP package
with a 100% matte tin plated leadframe.
Not to scale
VCC
Regulator
(Analog)
Regulator
(Digital)
Hall Amp
Offset
Adjust
AGC
Filter
ADC
Hall Amp
Offset
Adjust
AGC
Filter
ADC
Multiplexed
Test Signals
TEST
Synchronous
Digital Controller
V_CC
OUT
GND
ATS693LSG-DS
Functional Block Diagram