A3503 Datasheet, PDF (1/8 Pages) Allegro MicroSystems – RATIOMETRIC, LINEAR HALL-EFFECT SENSORS

3503
V
CC
1
2
3
Dwg. PH-006
Pinning is shown viewed from branded side.
RATIOMETRIC, LINEAR
HALL-EFFECT SENSORS
The UGN3503LT, UGN3503U, and UGN3503UA Hall-effect
sensors accurately track extremely small changes in magnetic flux
density—changes generally too small to operate Hall-effect switches.
As motion detectors, gear tooth sensors, and proximity detectors,
they are magnetically driven mirrors of mechanical events. As sensitive
monitors of electromagnets, they can effectively measure a system's
performance with negligible system loading while providing isolation
from contaminated and electrically noisy environments.
Each Hall-effect integrated circuit includes a Hall sensing element,
linear amplifier, and emitter-follower output stage. Problems associated
with handling tiny analog signals are minimized by having the Hall cell
and amplifier on a single chip.
Three package styles provide a magnetically optimized package for
most applications. Package suffix ‘LT’ is a miniature SOT-89/TO-
243AA transistor package for surface-mount applications; suffix ‘U’ is a
miniature three-lead plastic SIP, while ‘UA’ is a three-lead ultra-mini-
SIP. All devices are rated for continuous operation over the temperature
range of -20°C to +85°C.
FEATURES
s Extremely Sensitive
s Flat Response to 23 kHz
s Low-Noise Output
s 4.5 V to 6 V Operation
s Magnetically Optimized Package
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, V_CC ............................. 8 V
Magnetic Flux Density, B ......... Unlimited
Operating Temperature Range,
T
A
............................
-20°C to +85°C
Storage Temperature Range,
T ........................... -65°C to +150°C
S
Always order by complete part number, e.g., UGN3503UA .