plastic package which is transmissive
to IR energy, yet provides shielding from
visible light. Often suited for the encoding
function in an optical mouse. Potential
applications include rotary and linear
encoders.
TRANSMISSIVE ENCODERS
HOA0901.
HOA0902.
Features: Dual channel IC and infrared
emitter encased in black thermoplastic
housing • Direct TTL interface
• Resolution to 0.457 mm [0.018 in]
• Internal temperature compensation
• 3.2 mm [0.126 in] slot width • Two
mounting configurations
Features: Dual channel IC detector
and infrared emitter encased in black
thermoplastic housing • Direct TTL
interface • Inverting logic output •
Resolution to 0,229 mm [0.009 in] •
Internal temperature compensation • 3,2
mm [0.126 in] slot width • Two mounting
configurations and housing styles
available
HLC2705.
Features: Side-looking plastic package
• Senses speed and direction of
mechanical motion • TTL/LSTTL/CMOS
compatible • On-chip quadrature logic
which provides tach and direction
outputs • Linear or rotary encoder
applications • Resolution to 0,457 mm
[0.018 in] • Sensitivity versus temperature
compensation • Mechanically and
spectrally matched to SEP8506 and
SEP8706 infrared emitters
Benefits: Monolithic IC which consists
of two narrow adjacent photodiodes,
amplifiers stages, and quadrature logic
circuitry which provides two outputs: a
fixed-duration and a direction output.
Tachometer output is an NPN collector
which is internally connected to Vcc
through a 10 kOhm (nominal) resistor;
the direction output is a totem-pole
configuration. Incorporates circuitry to
compensate the sensitivity for the output
power vs. temperature characteristic of the
infrared emitter. Used with an interrupter
strip or disk (code wheel) to encode the
rate and direction of mechanical motion.
Potential applications include linear and
rotary encoders; it is often suited for the
encoding function in an optical mouse.
Benefits: Detector generates two output
signals which can be processed to
provide speed and direction information.
Monolithic IC which consists of two narrow
adjacent photodiodes, amplifiers, and
Schmitt trigger output stages. Outputs
are NPN collectors with internal 10 kOhm
(nominal) pull-up resistors to Vcc which
are capable of directly driving TTL loads.
Incorporates circuitry to compensate
the sensitivity for the output power vs.
temperature characteristic of the infrared
emitter. Used with an interrupter strip
or disk (code wheel) to encode the rate
and direction of mechanical motion.
Potential applications include linear and
rotary encoders; it is often suited for the
encoding function in an optical mouse.
Benefits: Monolithic IC, consisting
of two narrow adjacent photodiodes,
amplifier stages, and quadrature logic
which provides two outputs: one fixed
duration and a direction output. Sensitivity
compensation circuity for the output
power versus temperature characteristic
of an infrared emitter. IC is encapsulated
in a molded, unlensed black plastic
package which is transmissive to IR
energy, yet provides shielding from
visible light. Direction output is a totem-
pole configuration. Often suited for the
encoding function in an optical mouse.
Potential applications include rotary and
linear encoders.
Unless otherwise noted, potential applications include printers and copiers, motion control systems, metering systems, liquid-level
sensing, data storage systems, scanning, automated transaction, drop sensors, and other noninvasive medical equipment.
www.honeywell.com/sensing
17
HONEYWELL [ Honeywell ]
