UCD3138 datasheet(15/68 Pages) TI1

15 / 68 page

UCD3138

www.ti.com

SLUSAP2 A – MARCH 2012 – REVISED MARCH 2012

Electrical Specifications

3.1

ABSOLUTE MAXIMUM RATINGS

(1)

over operating free-air temperature range (unless otherwise noted)

VALUE

UNIT

MIN

MAX

V33D

V33D to DGND

–0.3

3.8

V33DIO

V33DIO to DGND

–0.3

3.8

V33A

V33A to AGND

–0.3

3.8

|DGND –

Ground difference

0.3

AGND|

All Pins(2)

Voltage applied to any pin

–0.3

3.8

TOPT

Junction Temperature

–40

125

°C

TSTG

Storage temperature

–55

150

°C

(1)

Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings

only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating

conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

(2)

Referenced to DGND

3.2

THERMAL INFORMATION

UCD3138

THERMAL METRIC

UNITS

64 PIN QFN

40 PIN

QFN

θJA

Junction-to-ambient thermal resistance

25.1

31.8

θJCtop

Junction-to-case (top) thermal resistance

10.5

18.5

θJB

Junction-to-board thermal resistance

4.6

6.8

°C/W

ψJT

Junction-to-top characterization parameter

0.2

ψJB

Junction-to-board characterization parameter

4.6

6.7

θJCbot

Junction-to-case (bottom) thermal resistance

1.2

1.8

3.3

RECOMMENDED OPERATING CONDITIONS

over operating free-air temperature range (unless otherwise noted)

MIN

TYP

MAX

UNIT

V33D

Digital power

3.0

3.3

3.6

V33DIO

Digital I/O power

3.0

3.3

3.6

V33A

Analog power

3.0

3.3

3.6

Junction temperature

-40

125

°C

3.4

ELECTRICAL CHARACTERISTICS

V33A = V33D = V33DIO = 3.3V; 1

μF from VREG to DGND, TJ = –40°C to 125°C (unless otherwise noted)

PARAMETER

TEST CONDITION

MIN

TYP

MAX

UNIT

SUPPLY CURRENT

I33A

6.3

All GPIO and communication pins are

I33DIO

0.35

open

I33D

ROM program execution

I33D

Flash programming in ROM mode

Total supply current with all peripherals

I33

100

operating.

Electrical Specifications

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