TAS5822MDCPR datasheet(8/90 Pages) TI

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6.5 Electrical Characteristics (continued)

Free-air room temperature 25°C, 1SPW Mode, LC filter=4.7uH+0.68uF, Fsw=768kHz, Class D Bandwidth=175kHz, (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

RDS(on)

Drain-to-source on

resistance

of the individual output

MOSFETs

FET + Metallization. VPVDD=24V, I(OUT)=500mA,

TJ=25℃

mΩ

PROTECTION

OCETHRES

Over-Current Error

Threshold

Speaker Output Current (Post LC filter),

Speaker

current

UVETHRES(PVDD)

PVDD under voltage error

threshold

3.7

4.2

OVETHRES(PVDD)

PVDD over voltage error

threshold

28.1

29.2

DCETHRES

Output DC Error protection

threshold

Class D Amplifier's output DC voltage cross

speaker load to trigger Output DC Fault

protection

1.9

TDCDET

Output DC Detect time

Class D Amplifier's output remain at or

above DCETHRES

570

OTETHRES

Over temperature error

threshold

160

℃

OTEHystersis

Over temperature error

hysteresis

℃

OTWTHRES

Over temperature warning

level

Read by register 0x73 bit3

135

°C

Open Load Detection

Open Load Detection for ChA or ChB or both

Ω

Short Load Detection

Short Load Detection for ChA or ChB or both

Ω

AUDIO PERFORMACNE (STEREO BTL)

|VOS|

Amplifier offset voltage

Measured differentially with zero input data,

programmable gain configured with 29.4dBV

analog gain, VPVDD =

18 V, 1SPW Modulation

–6.5

6.5

PO(SPK)

Output Power (Per

Channel)

VPVDD = 13.5 V, RSPK = 6 Ω, f = 1 KHz, THD

+N =10%

VPVDD = 13.5 V, RSPK = 6 Ω, f = 1 KHz, THD

+N =1%

VPVDD = 18 V, RSPK = 6 Ω, f = 1 KHz, THD

+N =10%

VPVDD = 18 V, RSPK = 6 Ω, f = 1 KHz, THD

+N =1%

VPVDD = 24 V, RSPK = 8 Ω, f = 1 KHz, THD+N

=1%

THD+NSPK

Total harmonic distortion

and

noise

(PO = 1 W, f = 1 KHz, RSPK

6 Ω)

VPVDD = 13.5 V

0.03

VPVDD = 18 V

0.02

VPVDD = 24 V

0.02

ICN(SPK)

Idle channel

noise(Aweighted,

AES17)

VPVDD = 13.5 V, LC-filter, Load=6 Ω

µVrms

VPVDD = 18 V, LC-filter ,Load=6 Ω

µVrms

Dynamic range

A-Weighted, -60 dBFS method. VPVDD = 24

Analog Gain = 29.4dBV

111

TAS5822M

SLASEV8 – DECEMBER 2020

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