OPA690 datasheet(33/43 Pages) TI1

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INPUT AND ESD PROTECTION

External

−V

Internal

Circuitry

OPA2830

www.ti.com.................................................................................................................................................. SBOS309D – AUGUST 2004 – REVISED AUGUST 2008

These diodes provide moderate protection to input

overdrive voltages above the supplies as well. The

The OPA2830 is built using a very high-speed

protection

diodes

can

typically

support

30mA

complementary bipolar process. The internal junction

continuous

current.

Where

higher

currents

are

breakdown voltages are relatively low for these very

possible (that is, in systems with ±15V supply parts

small geometry devices. These breakdowns are

driving into the OPA2830), current-limiting series

reflected in the Absolute Maximum Ratings table. All

resistors should be added into the two inputs. Keep

device pins are protected with internal ESD protection

these resistor values as low as possible, since high

diodes to the power supplies, as shown in Figure 86.

values

degrade

both

noise

performance

and

frequency response.

Figure 86. Internal ESD Protection

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OPA690 Datasheet(PDF) 33 Page - Texas Instruments

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