TDA7402_07 Datasheet, PDF (9/71 Pages) STMicroelectronics – Car radio signal processor

TDA7402
2
Electrical specifications
Electrical specifications
V_S = 9V; T_amb = 25°C; R_L = 10kΩ; all gains = 0dB; f = 1kHz; unless otherwise specified
Table 2. Electrical characteristics
Symbol
Parameter
Test condition
Min.
Input selector
R_in Input resistance
all single ended Inputs
70
V_CL Clipping level
2.2
S_IN Input separation
80
G_{IN MIN} Min. input gain
-1
G_{IN MAX} Max. input gain
13
G_STEP Step resolution
0.5
V_DC DC steps
Adjacent gain steps
-5
G_MIN to G_MAX
-10
V_offset Remaining offset with autozero
Differential stereo inputs
Input resistance
R_{in (see Figure 3)}
Differential
70
-1
G_CD Gain
only at true differential input
-5
-11
V_CM = 1V_RMS @ 1kHz
46
CMRR Common mode rejection ratio
V_CM = 1V_RMS @ 10kHz
46
e_NO Output-noise @ speaker outputs 20Hz - 20kHz, flat; all stages 0dB
Differential mono inputs
R_in Input impedance
Differential
40
CMRR Common mode rejection ratio
V_CM = 1V_RMS @ 1kHz
40
V_CM = 1V_RMS @ 10kHz
40
Beep control
V_RMS Beep level
f_Beep Beep frequency
Mix-gain = 6dB
f_Beep1
f_Beep2
f_Beep1
f_Beep1
250
570
740
1.48
2.28
Typ.
100
2.6
100
0
15
1
1
6
0.5
100
0
-6
-12
70
60
9
56
70
60
350
600
780
1.56
2.4
Max. Unit
130 kΩ
V_RMS
dB
+1
dB
17
dB
1.5
dB
5
mV
10
mV
mV
130 kΩ
1
dB
7
dB
-13
dB
dB
dB
15
µV
72
kΩ
dB
dB
500 mV
630 Hz
820 Hz
1.64 kHz
2.52 kHz
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