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PDF HLC2705 Data sheet ( Hoja de datos )
| Número de pieza | HLC2705 | |
| Descripción | Encoder Detector | |
| Fabricantes | Honeywell | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de HLC2705 (archivo pdf) en la parte inferior de esta página. Total 4 Páginas | ||
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HLC2705
Encoder Detector
FEATURES
• Side-looking plastic package
• TTL/LSTTL/CMOS compatible
• On-chip quadrature logic which provides tach
and direction outputs
• Linear or rotary encoder applications
• Resolution to 0.018 in.(.457)
• Sensitivity versus temperature compensation
• Mechanically and spectrally matched to
SEP8506 and SEP8706 infrared emitting diodes
DESCRIPTION
The HLC2705 detector is designed to sense speed and
direction of mechanical motion. Applications include
rotary and linear encoders; the device is especially well
suited for the encoding function in an optical mouse.
The detector is a monolithic IC, consisting of two narrow
adjacent photodiodes, amplifier stages, and quadrature
logic which provides two outputs. One is a fixed
duration, low level active tachometer (counting) pulse. It
is generated whenever the "A" channel illumination
passes through the threshold level. The second is a
direction output which is set to a logic high or a logic low
depending upon which channel is illuminated first. The
sensor also has sensitivity compensation circuitry for
the output power versus temperature characteristic of
an IRED. The IC is encapsulated in a molded, unlensed
black plastic package which is transmissive to IR
energy, yet provides shielding from visible light.
The tachometer output is an NPN collector, internally
connected to VÙÙ through a 10 kì (nominal) resistor.
The direction output is a totem-pole configuration. Both
are capable of directly driving TTL loads.
The tachometer pulse is generated at both the
increasing and decreasing illumination thresholds of the
"A" channel, resulting in two tachometer pulses for each
mechanical period of the interrupter. The HLC2705 is
designed to work with a mechanical period as small as
0.036 in.(0.914 mm), providing resolution to 0.018
in.(0.457 mm).
INFRA-74.TIF
OUTLINE DIMENSIONS in inches (mm)
Tolerance 3 plc decimals ±0.005(0.12)
2 plc decimals ±0.020(0.51)
DIM_031.cdr
212
h
Honeywell reserves the right to make
changes in order to improve design and
supply the best products possible.
Free Datasheet http://www.datasheet4u.net/
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet HLC2705.PDF ] | |
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