TAS5755MDFD datasheet(7/76 Pages) TI1

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TAS5755M

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SLOS982 – AUGUST 2017

Product Folder Links: TAS5755M

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(1)

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

(2)

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

7.3 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

(2)

Operating junction temperature range

125

°C

RL (PBTL)

Load impedance

Output filter: L = 15 μH, C = 680 nF

Ω

RL (BTL)

Load impedance

Output filter: L = 15 μH, C = 680 nF

Ω

RL (SE)

Load impedance

Output filter: L = 15 μH, C = 680 nF

Ω

Output-filter inductance

Minimum output inductance under short-

circuit condition

μH

(1)

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

report, SPRA953.

7.4 Thermal Information

THERMAL METRIC(1)

TAS5755M

UNIT

DFD HTSSOP

56-PIN

RθJA

Junction-to-ambient thermal resistance

—

°C/W

RθJC(top)

Junction-to-case (top) thermal resistance

1.13

°C/W

RθJB

Junction-to-board thermal resistance

—

°C/W

ψJT

Junction-to-top characterization parameter

—

°C/W

ψJB

Junction-to-board characterization parameter

—

°C/W

RθJC(bot)

Junction-to-case (bottom) thermal resistance

—

°C/W

7.5 PWM Operation at Recommended Operating Conditions

PARAMETER

TEST CONDITIONS

VALUE

UNIT

Output PWM switch frequency

11.025/22.05/44.1-kHz data rate ±2%

352.8

kHz

48/24/12/8/16/32-kHz data rate ±2%

384

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