3059 AND 3060
3059AND
3060
HALL-EFFECT
GEAR-TOOTH SENSORS
—AC COUPLED
HALL-EFFECT GEAR-TOOTH SENSORS
—AC COUPLED
The UGN/UGS3059KA and UGN/UGS3060KA ac-coupled Hall-
effect gear-tooth sensors are monolithic integrated circuits that switch
in response to changing differential magnetic fields created by moving
ferrous targets. These devices are ideal for use in non-zero-speed,
gear-tooth-based speed, position, and timing applications such as in
anti-lock braking systems, transmissions, and crankshafts.
X
X
Both devices, when coupled with a back-biasing magnet, can be
configured to turn ON or OFF with the leading or trailing edge of a
gear-tooth or slot. Changes in fields on the magnet face caused by a
moving ferrous mass are sensed by two integrated Hall transducers
and are differentially amplified by on-chip electronics. This differential
sensing design provides immunity to radial vibration within the devices’
operating air gaps. Steady-state magnet and system offsets are
eliminated using an on-chip differential band-pass filter. This filter also
provides relative immunity to interference from RF and electromag-
netic sources. The on-chip temperature compensation and Schmitt
trigger circuitry minimizes shifts in effective working air gaps and
switch points over temperature, allowing operation to low frequencies
over a wide range of air gaps and temperatures.
V
CC
1
2
3
4
5
Each Hall-effect digital Integrated circuit includes a voltage regu-
Dwg. PH-011
lator, two quadratic Hall-effect sensing elements, temperature com-
pensating circuitry, a low-level amplifier, band-pass filter, Schmitt
trigger, and an open-collector output driver. The on-board regulator
permits operation with supply voltages of 4.5 to 24 volts. The output
stage can easily switch 20 mA over the full frequency response range
of the sensor and is compatible with bipolar and MOS logic circuits.
Pinning is shown viewed from branded side.
The two devices provide a choice of operating temperature
ranges. Both devices are packaged in a 5-pin plastic SIP.
ABSOLUTE MAXIMUM RATINGS
at TA = +25°C
Supply Voltage, VCC ............................. 24 V
Reverse Battery Voltage, VRCC .......... -30 V
Magnetic Flux Density, B............ Unlimited
Output OFF Voltage, VOUT.................... 24 V
Output Current, IOUT ......................... 25 mA
Package Power Dissipation,
FEATURES
■ Senses Motion of Ferrous
Targets Such as Gears
■ Wide Operating Temperature Range
■ Operation to 30 kHz
■ Large Effective Air Gap
■ 4.5 V to 24 V Operation
■ Output Compatible With
All Logic Families
■ Reverse Battery Protection
■ Resistant to Physical Stress
PD ............................................ 500 mW
Operating Temperature Range, TA
■ Resistant to RFI, EMI
Prefix ‘UGN’ ................. -20°C to +85°C
Prefix ‘UGS’ ............... -40°C to +125°C
Storage Temperature Range,
TS ............................... -65°C to +150°C
Always order by complete part number, e.g., UGS3060KA .
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