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AH175 is a single-digital-output Hall-effect sensor for high temperature operation. The device includes an on-chip Hall voltage generator for magnetic sensing, an amplifier to amplify Hall voltage, and a comparator to provide switching hysteresis for noise rejection, and an open-collector output pre-driver. An internal bandgap regulator is used to provide temperature compensated supply voltage for internal circuits and allows a wide operating supply range.
While the magnetic flux density (B) is larger than threshold Bop, the OUT pin turns on (low). If B removed toward Brp, the OUT pin is latched "on" state prior to B < Brp. When B < Brp, the OUT pin go into " off " state.
AH175 Maximum Ratings
Parameter
Symbol
Rating
Unit
Supply voltage
VCC
20
V
Output "OFF " voltage
Vout (off)
20
V
Output "ON" current
Io (sink)
25
mA
Operating temperature range
Top
-40~+125
°C
Storage temperature range
Tstg
-65~+150
°C
Power dissipation
SIP
PD
550
mW
SOT23
230
mW
AH175 Features
- Bipolar Hall effect latch sensor - 3.5V to 20V DC operation voltage - Open collector pre-driver - 25mA output sink current - Chip power reverse-connection protection - Operating temperature: −40°C ~ +125°C - Package: SIP3, SOT23
AH175 Typical Application
- Rotor position sensing - Current switch - Encoder - RPM detection
AH175-PL-A-A Parameters
Technical/Catalog Information
AH175-PL-A-A
Vendor
Diodes Inc
Category
Sensors, Transducers
Package / Case
3-SIP
Packaging
Tape & Box (TB)
Voltage - Supply
3 V ~ 20 V
Current
3.5mA
Operational Type
Bipolar
Lead Free Status
Lead Free
RoHS Status
RoHS Compliant
Other Names
AH175 PL A A AH175PLAA AH175 PL A ADITB ND AH175PLAADITBND AH175-PL-A-ADITB