Datasheet

R
F
Op-Amp
Core
R
I
R
L
V
(1)
IN
I
D
-In
Out
+In
ESD Current-
Steering Diodes
Edge-Triggered ESD
Absorption Circuit
+V
S
+V
-V
-V
S
OPA160x
R
S
TVS
TVS
OPA1602
OPA1604
www.ti.com SBOS474B –APRIL 2011–REVISED NOVEMBER 2011
If there is an uncertainty about the ability of the The zener voltage must be selected such that the
supply to absorb this current, external zener diodes diode does not turn on during normal operation.
may be added to the supply pins as shown in However, its zener voltage should be low enough so
Figure 36. that the zener diode conducts if the supply pin begins
to rise above the safe operating supply voltage level.
(1) V
IN
= +V
S
+ 500mV.
Figure 36. Equivalent Internal ESD Circuitry and Its Relation to a Typical Circuit Application (Single
Channel Shown)
Copyright © 2011, Texas Instruments Incorporated 15
Product Folder Link(s): OPA1602 OPA1604