TAS3218PZP datasheet(43/79 Pages) TI

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ELECTRICAL SPECIFICATIONS ANALOG SECTIONS

(1)

TAS3218

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

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

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Stereo MUX Input/ADC Channel

1-kHz sine wave input

Full scale input voltage (0 dB)

1.15

Vrms

Input common mode voltage

over recommended operating conditions

1.43

1.5

1.57

DNR

60-dB full-scale input applied at Line inputs, A-weighted

dBA

THD + N

1-kHz, 4-dB full-scale input

PSRR

1 kHz, 100 mVpp on AVDD

Channel separation

1 kHz

Input resistance

14.6

18.33

Input capacitance

DAC Channel/DAC Output

1-kHz sine wave input, load = 10 k, 10 pF

Full scale output voltage (0 dB)

0.81

0.9

Vrms

Gain error

Output common mode

over recommended operating conditions

1.43

1.5

1.57

DNR

60-dB full-scale input applied at Line inputs, A-weighted

dBA

THD + N

1-dBFS input, 0 dB gain

PSRR

1 kHz, 100 mVpp on AVDD, VGND powered down

Load capacitance

Load resistance

Channel separation

1-kHz sine wave input, Load = 16 , external series resistance

DAC Channel/ Headphone Output

= 16 ,

coupling capacitance = 47 F

Full scale output voltage (0 dB)

0.72

0.9

Vrms

DNR

60-dB full-scale input applied at Line inputs, A-weighted

dBA

THD + N

0-dBFS input, 0-dB gain

PSRR

1 kHz, 100 mVpp on AVDD , VGND powered down

Maximum output power(2)

Load capacitance

100

Load resistance

Channel separation

(1)

When the TAS3218 is operated in slave mode, the internal analog clocks for ADC and DAC are derived from external MCLKIN input. In

this case, the analog performance will depend on MCLKIN quality (i.e., jitter, phase noise, etc.).

(2)

16- series resistor required in L and R headphone outputs for short-circuit protection.

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