TDA7500A Datasheet, PDF (18/40 Pages) STMicroelectronics – DIGITAL AM/FM SIGNAL PROCESSOR

TDA7500A
ADC ELECTRICAL CHARACTERISTCS (T_amb = 25°C, V_CC = 3.3V, measurement bandwidth 10Hz to
160KHz.)
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
Input Voltage Dynamic Range
0.75 0.8 Vrms
Sampling rate
FM-Mode
390 KHz
Dynamic Range
-60dB analog input
60
dB
SNR
1KHz; -3dB analog input
60
dB
DAC PERFORMANCE (T_amb = 25°C, V_CC = 3.3V, measurement bandwidth 10Hz to 20KHz, A-Weighted Filter
0dB gain, output load 30kΩ)
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
Output voltage dynamic range
0.87 0.9 0.93 Vrms
Sampling rate
48
KHz
Attenuation @ 20kHz
@ 20KHz with f_s = 44.1KHz
-0.3 -0.2
dB
Dynamic Range
-60dB analog input
90
93
dB
SNR
1KHz -3dB analog output
90
93
dB
Digital Silence
0000hex digital input
93
dB
(THD + N)/S
@ digital full scale
-85
-83
dB
Output Impedance
25
50
Ω
Crosstalk
1Vrms output @ 1KHz
-90
-86
dB
Gain mismatch between six
outputs
@ 1KHz
-0.5
0.5
dB
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