PHOTODARLINGTON
OPTICAL INTERRUPTER SWITCH
CNY29
PACKAGE DIMENSIONS
0.972 (24.7)
0.957 (24.3)
0.472 (12.0)
0.457 (11.6)
C
L
0.249 (6.35)
0.243 (6.15)
+
E
D
+
Ø 0.133 (3.4)
Ø 0.126 (3.2)
(2X)
C
L
0.39 (1.00)
0.34 (0.85)
0.755 (19.2)
0.745 (18.9)
0.129 (3.3)
0.119 (3.0)
0.103 (2.60) NOM
0.433 (11.0)
0.422 (10.7)
Optical
C
L
0.125 (3.2)
0.119 (3.0)
C
L
.295 (7.5)
.272 (6.9)
SCHEMATIC
0.315 (8.0)
0.110 (2.8)
0.091 (2.3)
1
4
2
1
3
4
PIN 1 ANODE
PIN 2 CATHODE
PIN 3 COLLECTOR
PIN 4 EMITTER
0.020 (0.51) (SQ)
2
3
NOTES:
1. Dimensions for all drawings are in inches (mm).
2. Tolerance of ± .010 (.25) on all non-nominal dimensions
unless otherwise specified.
DESCRIPTION
The CNY29 is a gallium arsenide infrared emitting diode coupled with a silicon photo darlington in a plastic housing. The gap in
the housing provides a means of interrupting the signal with tape, cards, shaft encoders, or other opaque material, switching the
output from an “ON” to an “OFF” state.
FEATURES
• Opaque housing
• Low cost
• .035” apertures
• European “Pro Electron” registered
2001 Fairchild Semiconductor Corporation
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PHOTODARLINGTON
OPTICAL INTERRUPTER SWITCH
CNY29
ABSOLUTE MAXIMUM RATINGS
Parameter
Operating Temperature
Storage Temperature
Soldering Temperature (Iron)
(2,3 and 4)
Soldering Temperature (Flow)
(2 and 3)
INPUT (EMITTER)
Continuous Forward Current
Reverse Voltage
Power Dissipation
(1)
OUTPUT (SENSOR)
Collector to Emitter Voltage
Emitter to Collector Voltage
Collector Current
Power Dissipation (T
C
= 25°C)
(1)
NOTE:
1. Derate power dissipation linearly 1.67 mW/°C above 25°C.
2. RMA flux is recommended.
3. Methanol or isopropyl alcohols are recommended as cleaning agents.
4. Soldering iron tip
1/16”
(1.6mm) minimum from housing.
(T
A
= 25°C unless otherwise specified)
Symbol
T
OPR
T
STG
T
SOL-I
T
SOL-F
I
F
V
R
P
D
V
CEO
V
ECO
I
C
P
D
Rating
-55 to +100
-55 to +100
240 for 5 sec
260 for 10 sec
50
6
100
30
6
40
150
Unit
°C
°C
°C
°C
mA
V
mW
V
V
mA
mW
ELECTRICAL / OPTICAL CHARACTERISTICS
PARAMETER
TEST CONDITIONS
(T
A
=25°C)
SYMBOL
MIN
TYP
MAX
UNITS
INPUT (EMITTER)
Forward Voltage
Reverse Leakage Current
OUTPUT (SENSOR)
Emitter to Collector Breakdown
Collector to Emitter Breakdown
Collector to Emitter Leakage
COUPLED
On-State Collector Current
Saturation Voltage
Turn-On Time
Turn-Off Time
I
F
= 10 mA
V
R
= 2 V
I
E
= 100
µA,
Ee = 0
I
C
= 10 mA, Ee = 0
V
CE
= 10 V, Ee = 0
I
F
= 20 mA, V
CE
= 10 V
I
F
= 20 mA, I
C
= 0.5 mA
I
F
= 10 mA, V
CC
= 5 V, R
L
= 750Ω
I
F
= 10 mA, V
CC
= 5 V, R
L
= 750Ω
V
F
I
R
BV
ECO
BV
CEO
I
CEO
I
C(ON)
V
CE(SAT)
t
on
t
off
—
—
7.0
25
—
2.5
—
—
—
—
—
—
—
—
—
—
150
150
1.7
10
—
—
100
—
1.2
—
—
V
µA
V
V
nA
mA
V
µs
µs
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DS300282
PHOTODARLINGTON
OPTICAL INTERRUPTER SWITCH
CNY29
TYPICAL PERFORMANCE CURVES
Figure 1. Output Current vs. Input Current
100
80
60
40
I
CE(on)
, NORMALIZED OUTPUT CURRENT
20
10
8
6
4
2
1
.8
.6
.4
.2
.1
.08
.06
.04
.02
1
2
4
6
8 10
20
40
60 80 100
200
400
600
1000
NORMALIZED TO
I
F
= 5 mA
V
CE
= 1.5 V
PULSED
P
W
= 100
µsec
PRR = 100 pps
I
F
, INPUT CURRENT (mA)
Figure 2. Output Current vs. Temperature
100
NORMALIZED TO
V
CE
= 1.5 V, I
F
= 5 mA, T
A
= 25
°C
I
CE(on)
, NORMALIZED OUTPUT CURRENT
INPUT PULSED
I
F
= 100 mA
10
I
F
= 60 mA
I
F
= 30 mA
I
F
= 20 mA
1
I
F
= 10 mA
I
F
= 5 mA
I
F
= 2 mA
0.1
-50
-25
0
25
50
75
100
T
A
, AMBIENT TEMPERATURE (°C)
Figure 3. V
CE(SAT)
vs. Temperature
NORMALIZED TO
I
C
1.8 mA
, T
A
= 25°C
=
10 mA
I
F
I
C
50 mA
=
I
F
60 mA
PULSED
PW = 100
µs,
PRR = 100 pps
2
V
CE(SAT)
, NORMALIZED
1
0.8
3.6 mA
I
C
=
I
F
20 mA
I
C
1.8 mA
=
I
F
10 mA
0.6
I
C
0.9 mA
=
I
F
5 mA
0.4
-50
-25
0
25
50
75
100
T
A
, AMBIENT TEMPERATURE (°C)
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PHOTODARLINGTON
OPTICAL INTERRUPTER SWITCH
CNY29
TYPICAL PERFORMANCE CURVES (CONTINUED)
Figure 4. Leakage Current vs. Temperature
DETECTOR
10
4
10
4
EMITTER
NORMALIZED TO
V
CE
= 25 V
T
A
= 25
°C
I
R
, NORMALIZED LEAKAGE CURRENT
10
3
I
CEO
, NORMALIZED DARK CURRENT
V
CE
= 25 V
10
2
V
CE
= 10 V
10
3
10
2
NORMALIZED TO
V
R
= 5 V
T
A
= 25
°C
10
10
1
1
0.1
25
50
75
100
0.1
25
50
75
100
T
A
, AMBIENT TEMPERATURE (°C)
T
A
, AMBIENT TEMPERATURE (°C)
Figure 6. Output Current vs. Distance
Figure 5. Switching Speed vs. R
L
4
I
F
R
L
d, DISTANCE (mils)
1.00
+
V
CC
78.7
157.5
236.2
315
393.7
2
t
ON
, AND t
OFF
NORMALIZED
PW = 300
µs
PRR = 100 pps
7.5
I
F
=
AMPS, V
CC
= 5V
R
L
NORMALIZED TO
R
L
= 750
Ω
I
CE(on)
, NORMALIZED OUTPUT CURRENT
.1
1
.8
.6
.4
t
off
.01
BLACK
SHIELD
+
E
D
NORMALIZED
TO VALUE WITH
SHIELD
REMOVED
+
d
o
BLACK
SHIELD
d
o
t
on
.2
.001
0.1
10
20
40
60 80 100
75
200
400
600 800 1000 1500
750
.0001
0
2
4
6
8
10
d, DISTANCE (mm)
R
L
, LOAD RESISTANCE (Ω)
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DS300282
PHOTODARLINGTON
OPTICAL INTERRUPTER SWITCH
CNY29
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO
ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME
ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED
HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF
OTHERS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD
SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or
systems which, (a) are intended for surgical
implant into the body,or (b) support or sustain life,
and (c) whose failure to perform when properly
used in accordance with instructions for use provided
in labeling, can be reasonably expected to result in a
significant injury of the user.
2. A critical component in any component of a life support
device or system whose failure to perform can be
reasonably expected to cause the failure of the life
support device or system, or to affect its safety or
effectiveness.
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