LM98640W-MPR datasheet(7/54 Pages) TI1

Part #	LM98640W-MPR

Description	Dual Channel, 14-Bit, 40 MSPS Analog Front End with LVDS Output

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Manufacturer	TI1 [Texas Instruments]

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LM98640QML-SP

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SNAS461D – MAY 2010 – REVISED SEPTEMBER 2015

6.4 Thermal Information

(1)

NBB0068D

THERMAL METRIC(2)

UNIT

PINS

RθJA

11.1, (225 LFPM)

Junction-to-ambient thermal resistance

16.5, (0 LFPM)

°C/W

RθJC(top)

Junction-to-case (top) thermal resistance

1.2

(1)

The maximum power dissipation must be derated at elevated temperatures and is dictated by TJMAX, θJA and the ambient temperature,

TA. The maximum allowable power dissipation at any temperature is PD = (TJMAX – TA)/θJA. The values for maximum power dissipation

listed above will be reached only when the device is operated in a severe fault condition (e.g. when input or output pins are driven

beyond the power supply voltages, or the power supply polarity is reversed). Such conditions should always be avoided.

(2)

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

6.5 Quality Conformance Inspection

MIL-STD-883, Method 5005 - Group A

SUBGROUP

DESCRIPTION

TEMP (°C)

1

Static tests at

+25

2

Static tests at

+125

3

Static tests at

-55

4

Dynamic tests at

+25

5

Dynamic tests at

+125

6

Dynamic tests at

-55

7

Functional tests at

+25

8A

Functional tests at

+125

8B

Functional tests at

-55

9

Switching tests at

+25

10

Switching tests at

+125

11

Switching tests at

-55

12

Setting time at

+25

13

Setting time at

+125

14

Setting time at

-55

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Product Folder Links: LM98640QML-SP

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