TAS5708 datasheet(7/56 Pages) TI

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ABSOLUTE MAXIMUM RATINGS

DISSIPATION RATINGS

(1)

RECOMMENDED OPERATING CONDITIONS

PWM OPERATION AT RECOMMENDED OPERATING CONDITIONS

TAS5708

www.ti.com ........................................................................................................................................................................................... SLOS570 – DECEMBER 2008

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

(1) (2)

VALUE

UNIT

DVDD, AVDD

–0.3 to 3.6

Supply voltage

PVCC_X, AVCC

–0.3 to 30

3.3-V digital inputs (except HIZ)

–0.5 to DVDD + 0.5

3.3-V HIZ input

–0.3 to AVDD + 0.3

Input voltage

5-V tolerant(3) digital inputs (except MCLK)

–0.5 to DVDD + 2.5(2)

5-V tolerant MCLK input

–0.5 to AVDD + 2.5(2)

OUT_x to PGND_X

32(4)

BST_x to PGND_X

43(4)

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 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 operation conditions are

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

(2)

Maximum pin voltage should not exceed 6.0V

(3)

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

(4)

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

DERATING FACTOR

TA ≤ 25°C

TA = 45°C

TA = 70°C

PACKAGE

ABOVE TA = 25°C

POWER RATING

7-mm × 7-mm HTQFP

40 mW/°C

5 W

4.2 W

3.2 W

(1)

This data was taken using 1 oz trace and copper pad that is soldered directly to a JEDEC standard high-k PCB. The thermal pad must

be soldered to a thermal land on the printed-circuit board. See TI Technical Briefs SLMA002 for more information about using the

HTQFP thermal pad

MIN

NOM

MAX

UNIT

Digital/analog supply voltage

DVDD, AVDD

3.3

3.6

Half-bridge supply voltage

PVCC_X, AVCC

VIH

High-level input voltage

Digital Inputs

VIL

Low-level input voltage

Digital Inputs

0.8

Operating ambient temperature range

°C

(1)

Operating junction temperature range

125

°C

RL (BTL)

Load impedance

Output filter: L = 33

µH, C = 1 µF.

Ω

RL (PBTL)

Load impedance

Output filter: L = 33

µH, C = 1 µF.

3.2

Ω

Minimum output inductance under

LO (BTL)

Output-filter inductance

µH

short-circuit condition

Minimum output inductance under

LO (PBTL)

Output-filter inductance

µH

short-circuit condition

(1)

Continuous operation above the recommended junction temperature may result in reduced reliability and/or lifetime of the device.

PARAMETER

TEST CONDITIONS

VALUE

UNIT

11.025/22.05/44.1-kHz data rate ±2%

352.8

kHz

Output sample rate

48/24/12/8/16/32-kHz data rate ±2%

384

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