ADS5294 datasheet(5/67 Pages) TI1

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ADS5294

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SLAS776B – NOVEMBER 2011 – REVISED JULY 2012

ABSOLUTE MAXIMUM RATINGS

(1)

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

VALUE

UNIT

MIN

MAX

Supply voltage

AVDD

–0.3

2.2

LVDD

–0.3

2.2

between AGND and LGND

–0.3

0.3

at analog inputs

–0.3

min[2.2, AVDD+0.3]

Voltage

at digital inputs, CLKN, CLKP(2), RESET, SCLK, SDATA, CSZ

–0.3

min[2.2, AVDD+0.3]

at digital outputs

–0.3

min[2.2,LVDD+0.3]

Maximum junction temperature (TJ), any condition

105

°C

Storage temperature range

–55

150

°C

Operating temperature range

-40

°C

Human Body Model (HBM)

2000

ESD Ratings

Charged Device Model (CDM)

500

(1)

Stresses above 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 degrade device reliability.

(2)

When AVDD is turned off, it is recommended to switch off the input clock (or ensure the voltage on CLKP, CLKN is < |0.3V|. This

prevents the ESD protection diodes at the clock input pins from turning on.

THERMAL INFORMATION

ADS5294

THERMAL METRIC(1)

UNITS

PFP (80 PINS)

θJA

Junction-to-ambient thermal resistance

30.8

θJCtop

Junction-to-case (top) thermal resistance

6.3

θJB

Junction-to-board thermal resistance

8.3

°C/W

ψJT

Junction-to-top characterization parameter

0.2

ψJB

Junction-to-board characterization parameter

8.2

θJCbot

Junction-to-case (bottom) thermal resistance

0.3

(1)

For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.

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