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FOD070L の電気的特性と機能

FOD070LのメーカーはFairchild Semiconductorです、この部品の機能は「(FOD070L - FOD270L) LVTTL/LVCMOS COMPATIBLE LOW INPUT CURRENT HIGH GAIN SPLIT DARLINGTON OPTOCOUPLERS」です。


製品の詳細 ( Datasheet PDF )

部品番号 FOD070L
部品説明 (FOD070L - FOD270L) LVTTL/LVCMOS COMPATIBLE LOW INPUT CURRENT HIGH GAIN SPLIT DARLINGTON OPTOCOUPLERS
メーカ Fairchild Semiconductor
ロゴ Fairchild Semiconductor ロゴ 




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FOD070L Datasheet, FOD070L PDF,ピン配置, 機能
LVTTL/LVCMOS COMPATIBLE LOW INPUT
CURRENT HIGH GAIN SPLIT DARLINGTON
OPTOCOUPLERS
SINGLE CHANNEL:
DUAL CHANNEL:
FOD070L
FOD073L
FOD270L
DESCRIPTION
The FOD070L, FOD270L and FOD073L optocouplers consist of an AlGaAs
LED optically coupled to a high gain split darlington photodetector. These
devices are specified to operate at a 3.3V supply voltage.
The split darlington configuration separating the input photodiode and the first
stage gain from the output transistor permits lower output saturation voltage
and higher speed operation than possible with conventional darlington
phototransistor optocoupler. In the dual channel device FOD073L, an inte-
grated emitter – base resistor provides superior stability over temperature.
The combination of a very low input current of 0.5 mA and a high current
transfer ratio of 2000% makes this family particularly useful for input interface
to MOS, CMOS, LSTTL and EIA RS232C, while output compatibility is
ensured to LVCMOS as well as high fan-out LVTTL requirements.
An internal noise shield provides exceptional common mode rejection of
10 kV/µs.
FEATURES
• Low power consumption
• Low input current - 0.5 mA
• Available in single channel 8-pin DIP (FOD270L), 8-pin SOIC (FOD070L)
and dual channel 8-pin SOIC
• High CTR-2000%
• High CMR-10 kV/µs
• Guaranteed performance over temperature 0°C to 70°C
• U.L. recognized (File # E90700)
• LVTTL/LVCMOS Compatible output
APPLICATIONS
• Digital logic ground isolation – LVTTL/LVCMOS
• Telephone ring detector
• EIA-RS-232C line receiver
• High common mode noise line receiver
• µP bus isolation
• Current loop receiver
TRUTH TABLE
LED
ON
OFF
VO
LOW
HIGH
8
1
8
1
8
N/C 1
+2
V
F
_3
N/C 4
8
V
CC
7
V
B
6V
O
5 GND
FOD070L / FOD270L
1
+1
V
F1
_2
_3
V
F2
+4
8
V
CC
7
V
01
6V
02
5 GND
FOD073L
© 2004 Fairchild Semiconductor Corporation
Page 1 of 17
8/10/04

1 Page





FOD070L pdf, ピン配列
SINGLE CHANNEL:
DUAL CHANNEL:
LVTTL/LVCMOS COMPATIBLE LOW INPUT
CURRENT HIGH GAIN SPLIT DARLINGTON
OPTOCOUPLERS
FOD070L
FOD073L
FOD270L
TRANSFER CHARACTERISTICS (TA = 0 to 70°C Unless otherwise specified)
Parameter
COUPLED
Current transfer ratio
(Notes 1,2)
Logic low output voltage
output voltage
(Note 2)
**All typicals at TA = 25°C
Test Conditions Symbol
(IF = 0.5 mA, VO = 0.4 V, VCC = 3.3V) CTR
(IF = 1.6 mA, IO = 8 mA, VCC = 3.3V)
(IF = 5 mA, IO = 15 mA, VCC = 3.3V)
VOL
Device
ALL
ALL
ALL
Min Typ** Max Unit
400 7000 %
0.07 0.3
0.07 0.4
V
SWITCHING CHARACTERISTICS (TA = 0 to 70°C unless otherwise specified., VCC = 3.3 V)
Parameter
Propagation delay
time to logic low
Propagation delay
time to logic high
Common mode transient
immunity at logic high
Common mode transient
immunity at logic low
Test Conditions Symbol Device Min Typ**
(RL = 4.7 k, IF = 0.5 mA)
(Note 2) (Fig. 17)
(RL = 4.7 k, IF = 0.5 mA)
(Note 2) (Fig. 17)
(IF = 0 mA, |VCM| = 10 VP-P)
TA = 25°C (RL = 2.2 k) (Note 3) (Fig. 18)
(IF = 1.6 mA, |VCM| = 10 VP-P,
RL = 2.2 k)
TA = 25°C (Note 3) (Fig. 18)
TPHL
TPLH
|CMH|
|CML|
FOD070L
FOD270L
FOD073L
FOD070L
FOD270L
FOD073L
3
5
50
25
ALL 1,000 10,000
ALL 1,000 10,000
Max
30
90
Unit
µs
µs
V/µs
V/µs
** All typicals at TA = 25°C
© 2004 Fairchild Semiconductor Corporation
Page 3 of 17
8/10/04


3Pages


FOD070L 電子部品, 半導体
SINGLE CHANNEL:
DUAL CHANNEL:
LVTTL/LVCMOS COMPATIBLE LOW INPUT
CURRENT HIGH GAIN SPLIT DARLINGTON
OPTOCOUPLERS
FOD070L
FOD073L
FOD270L
TYPICAL PERFORMANCE CURVES
Fig. 7 Supply Current vs Input Forward Current
(FOD270L, FOD070L, FOD073L)
10
TA = 25°C
VCC = 3.3V
FOD270L
or FOD070L
1 FOD073L
0.1
0.01
0.1
1 10
IF - Input Forward Current (mA)
Fig. 9 Output Current vs Input Forward Current
(FOD070L only)
Fig. 8 Output Current vs Input Forward Current
(FOD270L only)
100
TA = 85°C
TA = -40°C
TA = 0°C
10
TA = 25°C
TA = 70°C
1
0.1 1
VO = 0.4V
VCC = 3.3V
TA = 25°C
10
IF - Input Forward Current (mA)
Fig. 10 Output Current vs Input Forward Current
(FOD073L only)
100
TA = 70°C, 85°C
10
TA = -40°C
TA = 0°C
TA = 25°C
1
0.1 1
VO = 0.4V
VCC = 3.3V
TA = 25°C
10
IF - Forward Current (mA)
Fig. 11 Propagation Delay vs.
Input Forward Current (FOD070L only)
5
TA = 25°C
VCC = 3.3V
RL = 4.7k
4
1/f = 100µs
Duty Cycle = 10%
tPLH
3
54
52
50
2 48
1 46
tPHL
0 44
0 1 2 3 4 5 6 7 8 9 10
IF - Input Forward Current (mA)
100
TA = 70°C, 85°C
10
TA = -40°C
TA = 0°C
TA = 25°C
1
0.1
0.1
1 10
IF - Forward Current (mA)
VO = 0.4V
VCC = 3.3V
TA = 25°C
Fig. 12 Propagation Delay vs.
Ambient Temperature (FOD073L only)
70
VCC = 3.3V
IF = 0.5mA
60 RL = 4.7k
1/f = 100µs
Duty Cycle = 10%
50
40
tPLH
30
20
10
tPHL
0
-40
-20
0 20 40 60 80 100
TA - Ambient Temperature (°C)
© 2004 Fairchild Semiconductor Corporation
Page 6 of 17
8/10/04

6 Page



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共有リンク

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FOD0708

(FOD0708 / FOD0738) Optocouplers consist of an AlGaAs LED optically coupled to a high speed trans-impedance amplifier and voltage comparator

Fairchild Semiconductor
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FOD070L

(FOD070L - FOD270L) LVTTL/LVCMOS COMPATIBLE LOW INPUT CURRENT HIGH GAIN SPLIT DARLINGTON OPTOCOUPLERS

Fairchild Semiconductor
Fairchild Semiconductor


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