USB2422 datasheet(35/47 Pages) MICROCHIP

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 2013 - 2015 Microchip Technology Inc.

DS00001726B-page 35

USB2422

5.0

DC PARAMETERS

5.1

Maximum Ratings

Note 5-1

Refer to JEDEC Specification J-STD-020D [3].

Note 5-2

Stresses above the specified parameters could cause permanent damage to the device. This is a

stress rating only and functional operation of the device at any condition above those indicated in the

operation sections of this specification is not implied.

Note 5-3

When powering this device from laboratory or system power supplies, it is important that the absolute

maximum ratings not be exceeded or device failure can result. Some power supplies exhibit voltage

spikes on their outputs when the AC power is switched on or off. In addition, voltage transients on

the AC power line may appear on the DC output. When this possibility exists, it is suggested that a

clamp circuit be used.

5.2

Operating Conditions

Parameter

Symbol

MIN

MAX

Units

Comments

Storage Temperature

TSTOR

-55

150

°C

Lead Temperature

Refer to JEDEC Specification

J-STD-020D 3.

3.3 V supply voltage

VDD33

4.6

Voltage on any I/O pin

-0.5

5.5

Voltage on XTALIN

-0.5

4.0

Voltage on XTALOUT

-0.5

2.5

Parameter

Symbol

MIN

MAX

Units

Comments

USB2422 Operating

Temperature

°C

Ambient temperature in still air

USB2422-i Operating

Temperature

-40

°C

Ambient temperature in still air

3.3 V supply voltage

VDD33

3.0

3.6

3.3 V supply rise time

tRT33

0400

μsSee Figure 5-1

Voltage on any I/O pin

-0.3

5.5

If any 3.3 V supply voltage drops

below 3.0 V, then the MAX

becomes:

(3.3 V supply voltage) + 0.5

Voltage on XTALIN

-0.3

VDD12 +

0.3

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