TDA7500A Datasheet, PDF (17/40 Pages) STMicroelectronics – DIGITAL AM/FM SIGNAL PROCESSOR

TDA7500A
DSP CORE
Symbol
Parameter
F_dsp Maximum DSP clock frequency
Test Condition
power supply @ 3.3V and T_j = 125°C
Min.
48
Typ.
Max.
Unit
MHz
FM Stereo Decoder
Symbol
Parameter
a_ch Channel Separation
THD Total Harmonic Distortion
(S+N)/N Signal plus Noise to Noise ratio
Test Condition
Min. Typ. Max. Unit
>50
dB
0.02
%
86
dB
ADC ELECTRICAL CHARACTERISTCS (T_amb = 25°C, V_CC = 3.3V, measurement bandwidth 10Hz to 20KHz,
A-Weighted Filter.)
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
Input Voltage Dynamic Range
0.75 0.8 Vrms
Sampling rate
Audio mode
48 KHz
Attenuation @ 20KHz
@ fs = 44.1KHz
-0.6
dB
Dynamic Range
-60dB analog input
84
88
dB
SNR
1KHz; -3dB analog input
84
88
dB
(THD + N)
-3dB analog input (note 1)
-85
-80
dB
Input Impedance
@ fs = 44.1KHz
40
55
75
kΩ
Crosstalk
1Vrms input @ 1KHz
-85
dB
Gain mismatch between four
input
@ 1KHz
-0.5
0.5
dB
Note1: 0dB reference at 0.75V_rms input
ADC ELECTRICAL CHARACTERISTCS (T_amb = 25°C, V_CC = 3.3V, measurement bandwidth 10Hz to 53KHz.)
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
Input Voltage Dynamic Range
0.75 0.8 Vrms
Sampling rate
AM-Mode
192 KHz
Dynamic Range
-60dB analog input
80
dB
SNR
1KHz; -3dB analog input
80
dB
(THD +N)
-3dB analog input
-80
dB
17/40