FOD250L(2004) View Datasheet(PDF) - Fairchild Semiconductor
Part Name
Description
Manufacturer
FOD250L Datasheet PDF : 13 Pages
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SINGLE-CHANNEL: FOD050L
DUAL-CHANNEL: FOD053L
LVTTL/LVCMOS 3.3V
HIGH SPEED TRANSISTOR
OPTOCOUPLERS
FOD250L
Pulse
Generator
tr = 5ns
IF
ZO = 50 Ω
10% D.C.
I/f < 100µs
Noise
Shield
1
+
2
VF
-
3
IF Monitor
Rm
4
8 VCC
7 VB
+3.3 V
Pulse
Generator
IF +
tr = 5ns
1
ZO = 50 Ω
VF1
RL
10% DUTY CYCLE - 2
I/f < 100µS
6 VO
0.1 µF
5
GND
VO
CL = 1.5 pF
IF
MONITOR
Rm
-3
VF2
+
4
Noise
Shield
VCC
8
RL
V01
7
V02
6
+3.3 V
VO
CL = 1.5 pF
GND
5
0.1 µF
Test Circuit for FOD050L and FOD250L
Test Circuit for FOD053L
IF
0
VO
50%
TPHL
3.3 V
50%
VOL
TPLH
Fig. 10 Switching Time Test Circuit
IF
A
B
VFF
Noise
Shield
1
+
2
VF
-
3
4
8 VCC
+3.3 V
7 VB
RL
6 VO
GND
5
VO
0.1 µF
-
+
V-CM
Pulse Gen
Test Circuit for FOD050L and FOD250L
IF
A
B
VFF
+1
VF1
-2
Noise
Shield
-3
VF2
+
4
VCC
8
RL
V01
7
+3.3 V
VO
V02
6
0.1 µF
GND
5
VCM
+
-
Pulse Gen
Test Circuit for FOD053L
VCM 1000 V
10 %
0V
tr
90% 90%
10 %
tf
VO
Switch at A : IF = 0 mA
VO
Switch at A : IF = 16 mA
3.3 V
VOL
Fig. 11 Common Mode Immunity Test Circuit
© 2004 Fairchild Semiconductor Corporation
Page 7 of 13
6/14/04
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