ADUCM320BBCZ datasheet(22/31 Pages) AD

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Data Sheet

ADuCM320

Rev. C | Page 21 of 30

ABSOLUTE MAXIMUM RATINGS

All requirements applicable to each pin must be met. Where

multiple limits apply to a pin each one must be met individually.

The limits apply according to the functionality of the pins at the

time. Pins that can be either analog or digital, that is, that have

two types indicated in the pin descriptions, must meet the limits

for both types. For pin types, see Table 11.

When powered up, it is required that all ground pins plus

ADC_REFN be connected together to a node referred to as

GND in Table 10. The limits that are listed must be reduced by

any difference between any GNDs. Also, it is required that

AVDD3 is connected to AVDD4 and that IOVDD1 to IOVDD3

are connected together.

Table 10. Absolute Maximum Ratings

Parameter

Rating

Any Pin to GND

−0.3 V to +3.9 V

Any PVDDx Pin to GND

−0.3 V to +2.8 V

MDIO1, MCK, and PRTADDR0-4 in

MDIO Mode to GND

−0.3 V to +2.1 V

Between Any of AVDDx, IOVDDx, and

VDD1 Pins

−0.3 V to +0.3 V

Any Type I Pin to GND2

−0.3 V to IOVDDx + 0.3 V

Any Type AI or AO Pin to GND3

−0.3 V to AVDDx + 0.3 V

Any IDACx, CDAMPx, IDACTST, IREF

to GND

−0.3 V to PVDDx + 0.3 V

ADC_REFP to GND

−0.3 V to AVDDx + 0.3 V

Total Positive GPIO Pin Currents

0 mA to 30 mA

Total Negative GPIO Pin Currents

−30 mA to 0 mA

Maximum Power Dissipation

1 W

Operating Ambient Temperature

Range

−40°C to +105°C

Storage Temperature Range

−65°C to +160°C

Operating Junction Temperature

Range

−40°C to +120°C

ESD HBM

2 kV

ESD FICDM

1 kV

Note this pin is always in MDIO mode.

This limit does not apply if no current can be drawn by external circuits on

IOVDDx because then IOVDD follows to a suitable level.

This limit does not apply if no current can be drawn by external circuits on

AVDDx because then AVDD follows to a suitable level.

Stresses at or above those listed under Absolute Maximum

Ratings may cause permanent damage to the product. This is a

stress rating only; functional operation of the product at these

or any other conditions above those indicated in the operational

section of this specification is not implied. Operation beyond

the maximum operating conditions for extended periods may

affect product reliability.

ESD CAUTION

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