TAS5822MDCPR datasheet(7/90 Pages) TI

7 / 90 page

6.5 Electrical Characteristics

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

Digital I/O

|IIH|

Input logic high current

level

for DVDD referenced

digital

input pins

VIN(DigIn) = VDVDD

|IIL|

Input logic low current level

for DVDD referenced

digital

input pins

VIN(DigIn) = 0 V

–10

VIH(Digin)

Input logic high threshold

for

DVDD referenced digital

inputs

70%

VDVDD

VIL(Digin)

Input logic low threshold

for

DVDD referenced digital

inputs

30%

VDVDD

VOH(Digin)

Output logic high voltage

level

IOH = 4 mA

80%

VDVDD

VOL(Digin)

Output logic low voltage

level

IOH = –4 mA

20%

VDVDD

I2C CONTROL PORT

CL(I2C)

Allowable load capacitance

for each I2C Line

400

fSCL(fast)

Support SCL frequency

No wait states, fast mode

400

kHz

fSCL(slow)

Support SCL frequency

No wait states, slow mode

100

kHz

SERIAL AUDIO PORT

tDLY

Required LRCLK/FS to

SCLK

rising edge delay

DSCLK

Allowable SCLK duty cycle

40%

60%

Supported input sample

rates

kHz

fSCLK

Supported SCLK

frequencies

fSCLK

SCLK frequency

24.576

MHz

AMPLIFIER OPERATING MODE AND DC PRAMETERS

toff

Turn-off Time

Excluding volume ramp

AV(SPK_AMP)

Programmable Gain

Value represents the "peak voltage"

disregarding

clipping due to lower PVDD

Measured at 0 dB input(1FS)

13.75

29.4

dBV

ΔAV(SPK_AMP)

Amplifier gain error

Gain = 29.4dBV

0.5

fSPK_AMP

Switching frequency of the

speaker amplifier

384

kHz

480

kHz

576

kHz

768

kHz

1024

kHz

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TAS5822M

SLASEV8 – DECEMBER 2020

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