1
Rev 016
Features and Benefits
  Wide operating voltage range f
24V
  High magnetic sensitivity Mul
  CMOS technology
  Chopper-stabilized amplifier s
  Low current consumption
  Open drain output
  Thin SOT23 3L and flat TO-92
both RoHS Compliant
packages
Ordering Code
Product Code    m   r    r
US1881
E
US1881
K
US1881
L
US1881
E
US1881
K
US1881
L
Legend
:
Temperature Code:    
f r T
f r T
f r T
Package Code:
A f r
Option Code:
xxx-
Packing Form:
E for
Ordering example:    
S18
    
1 Functional Diagram
Hall Latch Hi
f 12
om 3.5V to
i-purpose
L
Application Exa
  Automotive, Cons
  Solid-state switch
  Brushless DC m
  Speed detection
  Linear position
  Angular position
  Proximity detecti
Package Code         i  n
P   k
UA
AAA-000
UA
AAA-000
UA
AAA-000
SE
AAA-000
SE
AAA-000
SE
AAA-000
m   r    r  R n    -40?C to 150?C
m   r    r  R n    -40?C to 85?C
m   r    r  R n    -40?C to 125?C
T  -92(Flat), SE for TSOT     
: Standard version
Reel BU for Bulk
1KUA-AAA-000-BU
2 General Descript o
The Melexis US1881 is
designed in mixed signal CM
The device integrates a vo
sensor with dynamic offset
Schmitt trigger and an open-
in a single package.
Thanks to its wide operati
extended choice of temper
suitable   for   use   in   autom
consumer applications.
The device is delivered in
Transistor (TSOT) for surfac
in a Plastic Single In Line (T
hole mount.
Both 3-lead packages are     H
S
1
h Sensitivity
Mar/12
ples
mer and Industrial
r commutation
ction
etection
in  F  rm
BU
BU
BU
RE
RE
RE
n
Hall-effect latch
S technology.
tage regulator, Hall
ancellation system,
rain output driver, all
voltage range and
re range, it is quite
ive,   industrial   and
Thin Small Outline
mount process and
-92 flat) for through-
compliant.