LMH6552 Datasheet, PDF (30/38 Pages) Texas Instruments – 1.5-GHz Fully Differential Amplifier

LMH6552
SNOSAX9I – APRIL 2007 – REVISED JANUARY 2015
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11.5 ESD Protection
The LMH6552 is protected against electrostatic discharge (ESD) on all pins. The LMH6552 can survive 2000 V
Human Body model and 200 V Machine model events. Under normal operation the ESD diodes have no affect
on circuit performance. There are occasions, however, when the ESD diodes will be evident. If the LMH6552 is
driven by a large signal while the device is powered down the ESD diodes will conduct. The current that flows
through the ESD diodes will either exit the chip through the supply pins or will flow through the device, hence it is
possible to power up a chip with a large signal applied to the input pins. Using the shutdown mode is one way to
conserve power and still prevent unexpected operation.
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