TAS5731MPHPR datasheet(8/68 Pages) TI1

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TAS5731M

SLOS838B – JULY 2013 – REVISED NOVEMBER 2013

www.ti.com

PIN FUNCTIONS (continued)

5-V

TYPE(1)

TERMINATION(2)

DESCRIPTION

TOLERANT

NAME

NO.

VREG

Digital regulator output. Not to be used for powering external

circuitry.

PowerPAD™

Provides both electrical and thermal connection from the device to

the board. A matching ground pad must be provided on the PCB and

the device connected to it via solder. For proper electrical operation,

this ground pad must be connected to the system ground

ABSOLUTE MAXIMUM RATINGS

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

(1)

VALUE

UNIT

DVDD, AVDD

–0.3 to 4.2

Supply voltage

PVDD_x

–0.3 to 30

3.3-V digital input

–0.5 to DVDD + 0.5

Input voltage

5-V tolerant(2) digital input (except MCLK)

–0.5 to DVDD + 2.5(3)

5-V tolerant MCLK input

–0.5 to AVDD + 2.5(3)

OUT_x to PGND_x

32(4)

BST_x to PGND_x

39(4)

Input clamp current, IIK

±20

Output clamp current, IOK

±20

Operating free-air temperature

0 to 85

°C

Operating junction temperature range

0 to 150

°C

Storage temperature range, Tstg

–40 to 125

°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 conditions for extended periods may affect device reliability.

(2)

5-V tolerant inputs are PDN, RESET, SCLK, LRCLK, MCLK, SDIN, SDA, and SCL.

(3)

Maximum pin voltage should not exceed 6 V.

(4)

DC voltage + peak ac waveform measured at the pin should be below the allowed limit for all conditions.

THERMAL INFORMATION

TAS5731M

THERMAL METRIC(1)

UNIT

PHP (48 PINS)

θJA

Junction-to-ambient thermal resistance

27.9

°C/W

θJB

Junction-to-board thermal resistance

°C/W

θJC(bottom)

Junction-to-case (bottom) thermal resistance

1.1

°C/W

θJC(top)

Junction-to-case (top) thermal resistance

20.7

°C/W

ψJT

Junction-to-top characterization parameter

0.3

°C/W

ψJB

Junction-to-board characterization parameter

6.7

°C/W

(1)

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

RECOMMENDED OPERATING CONDITIONS

MIN

NOM

MAX

UNIT

Digital/analog supply voltage

DVDD, AVDD

3.3

3.6

Half-bridge supply voltage

PVDD_x

26.4(1)

VIH

High-level input voltage

5-V tolerant

VIL

Low-level input voltage

5-V tolerant

0.8

Operating ambient temperature range

°C

(1)

For operation at PVDD_x levels greater than 18V, the modulation limit must be set to 93.8% via the control port register 0x10.

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TAS5731MPHPR 数据表(PDF) 8 Page - Texas Instruments

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