IST970T Просмотр технического описания (PDF) - Isocom
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IST970T Datasheet PDF : 3 Pages
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ISTS970N, ISTS971N
ISTS970T, ISTS971T
ISO - LOGIC BUFFER
SCHMITT TRIGGER
INTERRUPTER SWITCH
DESCRIPTION
ISTS970N
ISTS971N
The ISTS970 and ISTS971 series of
transmissive photointerrupters are single channel 1
switches consisting of a Gallium Arsenide
2
infrared emitting diode coupled to a high speed
E
integrated circuit detector. The output
incorporates a Schmitt trigger which provides
hysteresis for noise immunity and pulse shaping.
12.7
3.0
The gap in the plastic housing provides a means
of interrupting the signal with an opaque
9.0
material, switching the output from an 'OFF' into 8.0
an 'ON' state.
5
4
3
11.1
10.5
FEATURES
l Output high under incident light
0.45
l Built in Schmitt trigger circuit
0.40
l
Pull up resistor between V and output
CC
(ISTS970)
7.62
l Open collector output (ISTS971)
l High sensitivity
l 3mm gap between LED and detector
l 1mm aperture over detector
ISTS970T
ISTS971T
APPLICATIONS
l Floppy disk drives, Copiers, Printers,
Facsimilies, VCR's, Cassette tape
Recorders, Automatic vending machines 1
25.7
24.1
19.05
5
E
Voltage Regulator
2
4
12.7
3.0
3
2
3 VCC
9.0
8.0
ISTS970
11.1
10.5
10kΩ
only
4 Out
0.45
0.40
1
Amp
5 GND
7.62
Dimensions in mm
pin 3 VCC
2
pin 4 VO
1
6.6 pin 5 GND
3.3
3.0
2.8
OPTICAL
CENTRE
LINE
2.54
pin 3 VCC
pin 4 VO
2
1
6.6
pin 5 GND
3.3
3.0
2.8
OPTIC AL
CENTRE
LINE
2.54
ISOCOM COMPONENTS LTD
Unit 25B, Park View Road West,
Park View Industrial Estate, Brenda Road
Hartlepool, Cleveland, TS25 1YD
Tel: (01429) 863609 Fax :(01429) 863581
3/10/97
ISOCOM INC
720 E., Park Boulevard, Suite 104,
Plano, TX 75074 USA
Tel: (972) 423-5521
Fax: (972) 422-4549
DB92072-AAS/A2
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