TDA7505 datasheet(26/38 Pages) STMICROELECTRONICS

26 / 38 page

Electrical specifications

TDA7505

26/38

Table 26.

DAC Performance

(Tamb = 25°C, DACVDD = 3.3V, measurement bandwidth 10Hz to 20kHz)

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

THD+N

Total harmonic distortion + noise 1kHz; -1dBFS, flat

-90

THD

Total harmonic distortion

1kHz; -1dBFS, flat

-90

SNR

Signal to noise ratio

1kHz;IEC61606 A-weighted RMS

100

DR(1)

Dynamic range

1kHz; -60dBFS;

IEC61606 A-weighted RMS

100

NF(2)

Noise floor

IEC61606 A-weighted RMS

-100

dBV

ICL

Interchannel isolation

1kHz; 0dBFS

-90

Xtlk

Crosstalk

1kHz; 0dBFS

-90

IGM

Interchannel gain mismatch

1kHz; 0dBFS

0.1

The specified value is obtained by adding 60dB to THD+N measure @ full scale -60dB

With 00h input

Table 27.

FM stereo decoder (SW)

(Tamb = 25°C, ADCVDD = 3.3V, measurement bandwidth 10Hz to 20kHz, A-Weighted Filter.)

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

a_ch

Channel separation

>40

(THD+N) Total harmonic distortion

-3dB analog input

-80

SNR

Signal to noise ratio

1kHz; -3dB analog input; mono

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