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參數資料
| 型號： | FOD2742B |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 光電耦合器 |
| 英文描述： | OPTICALLY ISOLATED ERROR AMPLIFIER |
| 中文描述： | 1 CHANNEL TRANSISTOR OUTPUT OPTOCOUPLER |
| 封裝： | LEAD FREE, SOIC-8 |
| 文件頁數： | 4/13頁 |
| 文件大小： | 567K |
| 代理商： | FOD2742B |
8/27/03
Page 4 of 13
2003 Fairchild Semiconductor Corporation
OPTICALLY ISOLATED
ERROR AMPLIFIER
FOD2742A
FOD2742B
FOD2742C
Notes
1. Device is considered as a two terminal device: Pins 1,2 3 and 4 are shorted together and Pins 5,6,7 and 8 are shorted together.
2. Common mode transient immunity at output high is the maximum tolerable (positive) dVcm/dt on the leading edge of the
common mode impulse signal, Vcm, to assure that the output will remain high. Common mode transient immunity at output
low is the maximum tolerable (negative) dVcm/dt on the trailing edge of the common pulse signal,Vcm, to assure that the
output will remain low.
OUTPUT CHARACTERISTICS
(T
A
= 25°C Unless otherwise specified.)
Parameter
Test Conditions
Symbol
Min
Typ
Max
Unit
Collector dark current
(V
CE
= 10 V) (Fig. 5)
I
CEO
BV
1
50
nA
Emitter-collector voltage breakdown
(I
E
= 100 μA)
ECO
7
10
V
Collector-emitter voltage breakdown
(I
C
= 1.0mA)
BV
CEO
70
120
V
TRANSFER CHARACTERISTICS
(T
A
= 25°C Unless otherwise specified.)
Parameter
Test Conditions
Symbol
Min
Typ
Max
Unit
Current transfer ratio
(I
LED
= 10 mA, V
V
COMP
= 5 V) (Fig. 6)
= V
FB
,
CE
CTR
100
140
200
%
Collector-emitter
saturation voltage
(I
LED
= 10 mA, V
I
C
= 2.5 mA) (Fig. 6)
COMP
= V
FB,
V
CE
(SAT)
0.16
0.4
V
ISOLATION CHARACTERISTICS
(T
A
= 25°C Unless otherwise specified.)
Parameter
Test Conditions
Symbol
Min
Typ
Max
Unit
Input-output insulation
leakage current
(RH = 45%, T
A
= 25°C, t = 5s,
V
I-O
= 3000 VDC) (note. 1)
(RH <= 50%, T
A
= 25°C, t = 1 min)
I
I-O
1.0
μA
Withstand insulation
voltage
(note 1)
V
ISO
2500
Vrms
Resistance (input to output)
V
I-O
= 500 VDC (note 1)
R
I-O
10
12
Ohm
SWITCHING CHARACTERISTICS
(T
A
= 25°C Unless otherwise specified.)
Parameter
Test Conditions
Symbol
Min
Typ
Max
Unit
Bandwidth
(Fig. 7)
BW
10
kHZ
Common mode transient
immunity at output high
(I
LED
= 0 mA,
Vcm
= 10 V
PP
RL = 2.2 kV (Fig. 8) (note 2)
(I
LED
= 10 mA,
Vcm
= 10 V
PP
RL = 2.2 kV (Fig. 8) (note 2)
CMH
1.0
kV/μs
Common mode transient
immunity at output low
CML
1.0
kV/μs
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| FOD2743C | OPTICALLY ISOLATED ERROR AMPLIFIER |
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