TAS5822MDCPR datasheet(6/90 Pages) TI

6 / 90 page

6.3 Recommended Operating Conditions

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

MIN

NOM

MAX

UNIT

V(POWER)

Power supply inputs

DVDD

1.62

3.63

PVDD

4.5

26.4

Recommended PVDD

Range(1)

BTL mode, Speaker Load =4Ω

(+/-20% Variation)

4.5

20.8

BTL mode, Speaker Load =5Ω

(+/-20% Variation)

4.5

BTL mode, Speaker Load =6Ω

(+/-20% Variation)

4.5

26.4

BTL mode, Speaker Load =8Ω

(+/-20% Variation)

4.5

26.4

PBTL mode, Speaker Load =2Ω

(+/-20% Variation)

4.5

PBTL mode, Speaker Load =3Ω

(+/-20% Variation)

4.5

26.4

PBTL mode, Speaker Load =4Ω

(+/-20% Variation)

4.5

26.4

VIH(DigIn)

Input logic high for DVDD referenced digital inputs

0.9 × VDVDD

DVDD

VIL(DigIn)

Input logic low for DVDD referenced digital inputs

0.1 × VDVDD

LOUT

Minimum inductor value in LC filter under short-circuit

condition

µH

(1)

The Max Recommended PVDD value is limited by OCETHRES, if the Class D amplifier's output peak current lower than OCETHRES, 4Ω

BTL load and 2Ω PBTL load also supports higher PVDD up to 26.4V

6.4 Thermal Information

THERMAL METRIC(1)

TAS5822M

TSSOP (DCP)

38 PINS

UNIT

JEDEC

STANDARD

4-LAYER PCB

RθJA

Junction-to-ambient thermal resistance

28.4

°C/W

RθJC(top)

Junction-to-case (top) thermal resistance

13.5

°C/W

RθJB

Junction-to-board thermal resistance

8.7

°C/W

ψJT

Junction-to-top characterization parameter

0.4

°C/W

ψJB

Junction-to-board characterization parameter

8.6

°C/W

RθJC(bot)

Junction-to-case (bottom) thermal resistance

1.9

°C/W

(1)

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

report.

TAS5822M

SLASEV8 – DECEMBER 2020

www.ti.com

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