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(2)
SBOS426B – NOVEMBER 2008 – REVISED AUGUST 2010
TVS
R
F
+V
+V
S
OPA209
R
I
-In
R
S
I
D
V
IN
(1)
(3)
+In
Op Amp
Core
ESD Current-
Steering Diodes
Edge-Triggered ESD
Absorption Circuit
Out
R
L
-V
-V
S
TVS
(2)
(1)
(2)
(3)
V
IN
= +V
S
+ 500mV.
TVS: +V
S(max)
> V
TVSBR (Min)
> +V
S
Suggested value approximately 1kΩ.
Figure 35. Equivalent Internal ESD Circuitry and Its Relation to a Typical Circuit Application
Copyright © 2008–2010, Texas Instruments Incorporated
15
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