TAS3218PZP datasheet(42/79 Pages) TI

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AUDIO SPECIFICATIONS CHANNEL, INPUT TO OUTPUT

AUDIO SPECIFICATIONS DIGITAL FILTERS

TAS3218

SLES235 – JULY 2008 ....................................................................................................................................................................................................... www.ti.com

TA =25C, AVDD = 3.3 V, DVDD = 3.3 V, Fs (audio) = 48 kHz, Clock source from XTALI, AES17 filter, second order 30 kHz

low pass filter (unless otherwise noted)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

A-in ADC DSP DAC Lineout

A: WTD

Overall dynamic

range

A-in MUX Lineout

A-WTD

TA =25C, AVDD = 3.3 V, DVDD = 3.3 V, Fs (audio) = 48 kHz, Clock source from XTALI, AES17 filter, second order 30 kHz

low pass filter (unless otherwise noted)

PARAMETER

MIN

TYP

MAX

UNIT

ADC Decimation Filter, Fs = 48 kHz

Filter gain from 0 to 0.39 Fs

0.1

Filter gain at 0.4125 Fs

0.25

Filter gain at 0.45 Fs

Filter gain at 0.5 Fs

17.5

Filter gain from 0.55 Fs to 64 Fs

Filter group delay

17/Fs

DAC Interpolation Filter, Fs = 48 kHz

Pass band

0.45 Fs

Pass band ripple

0.06

Transition band

0.45 Fs

0.5501 Fs

Stop band

0.5501 Fs

7.455 Fs

kHz

Stop band attenuation

Filter group delay

21/Fs

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