HCPL-2730SD FAIRCHILD [Fairchild Semiconductor], HCPL-2730SD Datasheet - Page 6

• Manufacturer Part Number: HCPL-2730SD
• Description: LOW INPUT CURRENT HIGH GAIN SPLIT DARLINGTON OPTOCOUPLERS
• Manufacturer: FAIRCHILD [Fairchild Semiconductor]

Single-Channel: 6N138, 6N139 Dual-Channel: HCPL-2730, HCPL-2731 Rev. 1.0.0
Electrical Characteristics
Current Limiting Resistor Calculations
R
R
R
Where:
V
V
V
V
V
I
V
I
I
F
L
2
DD1
DD2
DF
OL1
OH1
OLX
1
1
2
IN
- Diode Forward Current
- Load Current Through
- Input Current of Output Gate
= V
(Non-Invert) = V
(Invert) = V
Resistor R2
- Diode Forward Voltage
- Logic “0” Voltage of Driver
- Input Supply Voltage
- Output Supply Voltage
- Saturation Voltage of
- Logic “1” Voltage of Driver
DD2
Fig. 2 Non-Inverting Logic Interface
Output Transistor
- = V
R
V
DD1
1
DD1
OLX
I
L
1
2
3
4
- V
(@ I
DD1
I
OH1
F
- V
L
- I
- V
I
DF
F
2
)
DF
- V
OL1
8
7
6
5
(T
A
R
74LSXX NON-INV. 2000
V
= 25°C unless otherwise specified)
@ 10 V
74SXX NON-INV. 2000
74HXX NON-INV. 2000
CMOS
CMOS
74LXX
@ 5 V
2
DD2
74XX
INPUT
NON-INV. 2000
NON-INV. 5100
NON-INV. 2200
NON-INV. 1800
OUT
INV.
INV.
INV.
INV.
INV.
INV.
INV.
Fig. 1 Resistor Values for Logic Interface
6
R1 (V)
4700
IN
510
180
100
360
180
180
CMOS
R2 (V)
@ 5 V
1000
R
1
Fig. 3 Inverting Logic Interface
@ 10 V
CMOS
R2 (V)
2200
1
2
3
4
R2 (V)
74XX
750
74LXX
R2 (V)
OUTPUT
1000
8
7
6
5
74SXX
R2 (V)
1000
R
V
2
DD2
74LSXX
R2 (V)
1000
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74HXX
R2 (V)
560
OUT