provided external resistor and capacitor
combination selects speed trip point
for particular application. Temperature
compensated for consistent operation with
low-cost magnets. Built-in timing circuit
designed to simplify and reduce cost of
PC board design. Potential applications
include monitor fan or motor performance.
SS42R.
Features:
Hall effect • Latching magnetics
• Sinking or sourcing outputs • High
output current capability • Reverse
polarity protection
Benefits:
Hall-effect integrated circuit with
pair of complementary push/pull outputs.
Dual Hall-effect element offsets stress-
induced noise and drift. Operate and
release points laser trimmed to improve
symmetry around zero. Internal circuitry
prevents sensor damage if supply voltage
polarity is accidentally reversed. Potential
applications include conveyors, motor
control, ignitions, power sensing, linear or
rotary motion detection, and RPM sensing.
signal for direction output, potentially
replacing multiple sensors and electronic
components. Temperature-compensated
magnetics and ultra-low offset drift with
temperature provide a stable output over a
full temperature range of -40 °C to 125 °C
[-40 °F to 257 °F]. Wide operating
voltage range of 3.4 Vdc to 24 Vdc
increases application flexibility. Tested
to moisture sensitivity similar to JEDEC
J-STD-020B, MSL Level 1, allowing use
in environments where humidity may be
a problem. Miniature plastic package
supplied on tape and reel for automated
assembly, allowing potential savings in
PC board space and labor cost. Potential
applications include anti-pinch electric
motor control systems for power window
and seats, magnetic encoding for
electronic steering systems, motion control
systems for pulleys and belts, garage
door openers and sliding doors and
position and velocity detection in industrial
equipment.
and gain shift over temperature. Positive
temperature coefficient helps compensate
for negative temperature coefficients of
low cost magnets, providing robust design
over wide temperature range. Rail-to-rail
operation provides more usable signal for
enhanced resolution. Potential applications
include current sensing, motor control,
position sensing, magnetic code reading,
rotary encoding, liquid level sensing,
vibration, and weight sensing applications.
SS39ET/SS49E/SS59ET Series.
Features:
Linear magnetics • Ratiometric
sourcing output • Low-voltage operation
• Small, through-hole and surface-mount
packages • Available on tape and reel
Benefits:
Thin film resistors provide
enhanced temperature stability and
accuracy. Low voltage operation for
energy efficiency. Potential applications
include current sensing, motor control,
position sensing, magnetic code reading,
ferrous metal detection, vibration, and
liquid level sensing.
SS46.
Features:
Latching magnetics • Sinking
(open collector) output • Negative
compensation slope • High output current
capability • High speed capability
• Reverse polarity protection
Benefits:
Internal circuitry prevents sensor
damage in case supply voltage polarity
is accidentally reversed. Open-collector
sinking output voltage easily interfaces
with wide variety of electronic circuits.
Potential applications include speed
and RPM sensing, brushless dc motor
commutation, motor and fan control,
magnetic encoding, disc speed, tape
rotation, and flow-rate sensing.
hALL-EFFEcT SEnSoR IcS -
LInEAR
91SS Series.
Features:
Linear magnetics • Ratriometric
sourcing output • Standard mounting
centers • Linearity is ±1.5% max. • Two
package styles
Benefits:
Hall-effect integrated circuit
chip provides enhanced temperature
stability and performance. Laser-trimmed,
thick film resistors on ceramic substrate
and thin film resistors on integrated
circuit reduce null and gain shifts over
temperature, resulting in consistent
sensitivity between devices. Potential
applications include robotics control,
current sensing, linear or rotary motion
detection, and length measurement.
SS94 Series.
Features:
Linear magnetics • Ratiometric
sourcing output • Standard mounting
centers • Linearity is ±0.5% max. • Two
package styles
Benefits:
Hall-effect integrated circuit
chip provides enhanced temperature
stability and performance. Laser-trimmed,
thick film resistors on ceramic substrate
and thin film resistors on integrated
circuit reduce null and gain shifts over
temperature, resulting in consistent
sensitivity between devices. Includes
low drift, high sensitivity, noise shielded,
and general purpose listings. Potential
applications include robotics control,
current sensing, linear or rotary motion
detection, and length measurement.
VF526DT.
Features:
Frequency signal for speed
output and logic level signal for direction
output • Temperature-compensated
magnetics and ultra-low offset drift • Wide
operating voltage range • Miniature, SOT-
89B plastic package • Tape and reel
Benefits:
Two separate, built-in Hall
sensors and associated logic circuitry
provide a frequency signal for speed
output and a logic level (high or low)
SS490/SS491B Series.
Features:
Linear magnetics • Ratiometric
sourcing output • Positive temperature
coefficient • Different package styles
Benefits:
Quad Hall elements design
minimizes effects of mechanical or
thermal stress on output and provides
stable output. Laser-trimmed thin film
resistors provide enhanced accuracy and
temperature compensation to reduce null
MAGnEToRESISTIVE SEnSoR IcS
2SS552M Series.
Features:
Omnipolar magnetics • Sinking
output • Low gauss operation (25 G max.)
• Operating speed of 0 kHz to over
100 kHz • Small, through-hole package •
Tape and reel available
sensing.honeywell.com
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HONEYWELL [ HONEYWELL SOLID STATE ELECTRONICS CENTER ]
