FOD070L Datasheet, PDF (9/17 Pages) Fairchild Semiconductor – LVTTL/LVCMOS COMPATIBLE LOW INPUT CURRENT HIGH GAIN SPLIT DARLINGTON OPTOCOUPLERS

SINGLE CHANNEL:
DUAL CHANNEL:
LVTTL/LVCMOS COMPATIBLE LOW INPUT
CURRENT HIGH GAIN SPLIT DARLINGTON
OPTOCOUPLERS
FOD070L
FOD073L
FOD270L
I_F
A
B
V_FF
Noise
Shield
1
2
V_F
3
4
8 ^VCC
+3.3 V
7 ^VB
R_L
6 ^VO
V_O
0.1 µF
GND
5
-
I_F
A
B
V_FF
+₁
VF1
-₂
Noise
Shield
-₃
VF2
+
4
VCC
8
RL
V01
7
V02
6
GND
5
+
V_-CM
Pulse Gen
Test Circuit for FOD070L and FOD270L
VCM 10 V
10%
0V
t_r
90% 90%
V_CM
+
-
Pulse Gen
Test Circuit for FOD073L
10%
t_f
V_O
Switch at A : I _F= 0 mA
V_O
Switch at B : I _F= 1.6 mA
3.3 V
V_OL
Fig. 18 Common Mode Immunity Test Circuit
+3.3 V
V_O
0.1 µF
© 2004 Fairchild Semiconductor Corporation
Page 9 of 17
8/10/04