H21LTI Fairchild Optoelectronics Group, H21LTI Datasheet - Page 8

• Manufacturer Part Number: H21LTI
• Description: SWITCH INTERRUPTER TOTEM INV-OUT
• Manufacturer: Fairchild Optoelectronics Group
• Series: OPTOLOGIC®r

Specifications of H21LTI

• Sensing Distance: 0.124" (3.15mm)
• Sensing Method: Transmissive
• Output Configuration: Totem Pole, Inverted
• Mounting Type: Through Hole
• Current - Supply: 5mA
• Voltage - Supply: 4 V ~ 16 V
• Response Time: 70ns
• Package / Case: PCB Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

© 2004 Fairchild Semiconductor Corporation
H21LTB
Figure 11. Switching Times Definition for Buffers
0 mA
R = 360
R = 180
1
2
Figure 9. Switching Speed Test Circuit
Pulse
Generator
V = 5V
f = 10 KHz
d.c. = 50%
O
t
V
PLH
OL
Output
V
O
R
t
V
C
r
2
OH
2
C = 15 pf
C = 20 pf
1
2
10%
90%
t
PHL
R
C
1
1
H21LTI
t
f
10%
50%
C and C include probe and
stray wire capacitance
90%
1
.1 uf
bypass
5V
GND
50%
2
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INTERRUPTER SWITCH
OPTOLOGIC
clude probe and
apacitance
Figure 12. Switching Times Definition for Inverters
H21LOB
0 mA
Figure 10. Typical Operating Circuit
V
+
-
IN
R
t
V
PHL
IN
OH
Output
V
t
f
O
V
OL
10%
90%
®
R
L
GND
V
t
CC
PLH
OPTICAL
V
t
O
r
10%
90%
50%
.1 uf
bypass
H21LOI
11/2/04