TDA7505 Datasheet, PDF (26/38 Pages) STMicroelectronics – Car radio DSP for advanced signal processing

Electrical specifications
TDA7505
Table 26. DAC Performance
(T_amb = 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
dB
THD Total harmonic distortion
1kHz; -1dBFS, flat
-90
dB
SNR Signal to noise ratio
1kHz;IEC61606 A-weighted RMS
100
dB
DR⁽¹⁾ Dynamic range
NF⁽²⁾ Noise floor
1kHz; -60dBFS;
IEC61606 A-weighted RMS
IEC61606 A-weighted RMS
100
dB
-100
dBV
ICL Interchannel isolation
1kHz; 0dBFS
-90
dB
Xtlk Crosstalk
1kHz; 0dBFS
-90
dB
IGM Interchannel gain mismatch
1kHz; 0dBFS
0.1
dB
1. The specified value is obtained by adding 60dB to THD+N measure @ full scale -60dB
2. With 00h input
Table 27.
Symbol
FM stereo decoder (SW)
(T_amb = 25°C, ADCVDD = 3.3V, measurement bandwidth 10Hz to 20kHz, A-Weighted Filter.)
Parameter
Test condition
Min. Typ. Max. Unit
a_ch Channel separation
>40
dB
(THD+N) Total harmonic distortion
-3dB analog input
-80
dB
SNR Signal to noise ratio
1kHz; -3dB analog input; mono
86
dB
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