TDA7404DTR Datasheet, PDF (9/35 Pages) STMicroelectronics – Car radio signal processor

TDA7404
Electrical specifications
3.5
Electrical characteristics
Table 5.
Symbol
Electrical characteristics
(V_S =9 V; T_amb=25 °C; R_L=10 kΩ; all gains = 0 dB; f = 1 kHz; unless otherwise specified)
Parameter
Test conditions
Min. Typ. Max. Unit
Input selector
R_in Input resistance
V_CL Clipping level
S_IN Input separation
G_{IN MIN} Min. input gain
G_{IN MAX} Max. input gain
G_STEP Step Resolution
V_DC DC Steps
V_offset Remaining offset with AutoZero
P differential stereo inputs
all single ended Inputs
Adjacent gain steps
G_MIN to G_MAX
Input resistance
R_{in (see Figure 3)}
Differential
G_CD Gain
only at true differential
input
CMRR
e_NO
Common mode rejection ratio
V_CM = 1 V_RMS @ 1 kHz
V_CM = 1 V_RMS @ 10 kHz
Output noise @ speaker-outputs
20 Hz - 20 kHz, flat;
all stages 0 dB
Differential mono input
R_in Input resistance
CMRR Common mode rejection ratio
Beep control
Differential
V_CM = 1 V_RMS @ 1 kHz
V_CM = 1 V_RMS @ 10 kHz
V_RMS Beep level
f_B1
f_B Beep frequency
f_B2
f_B3
70 100 130 kΩ
2.20 2.60
80 100
V_RMS
dB
-1
0
1
dB
18
20
22
dB
0.5
1
1.5
dB
-5
1
5
mV
-10
5
10
mV
0.5
mV
70 100 130 kΩ
-0.75 0
0.75 dB
-5
-6
-7
dB
-11 -12 -13
dB
40
70
dB
40
60
dB
9
V
39
56
73
kΩ
40
70
dB
40
60
dB
250 350 500 mV
740 781 820 Hz
1.48 1.56 1.64 kHz
1.7 1.8 1.9 kHz
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