SS340RT datasheet(11/14 Pages) HONEYWELL

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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.

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.

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)

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.

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.

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

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.

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.

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

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