TDA7402_07 Datasheet, PDF (10/71 Pages) STMicroelectronics – Car radio signal processor

Electrical specifications
Table 2.
Symbol
Electrical characteristics (continued)
Parameter
Test condition
Mixing control
M_LEVEL Mixing ratio
G_MAX Max. gain
A_MAX Max. attenuation
A_STEP Attennuation step
Multiplexer output ⁽¹⁾
R_OUT
R_L
C_L
V_DC
Output impedance
Output load resistance
Output load capacitance
DC voltage level
Loudness control
A_STEP Step resolution
A_MAX Max. attenuation
f_Peak Peak frequency
Volume control
G_MAX
A_MAX
A_STEP
Max. gain
Max. attenuation
Step resolution
E_A Attenuation set error
E_T Tracking error
V_DC DC steps
Soft mute
A_{MUTE Mute attenuation}
T_D Delay time
V_{TH low} Low threshold for SM Pin⁽²⁾
Main / mix source
f_P1
f_P2
f_P3
f_P4
G = -20 to +20dB
G = -80 to -20dB
Adjacent attenuation steps
From 0dB to G_MIN
T1
T2
T3
T4
10/71
TDA7402
Min. Typ. Max. Unit
-6/-6
dB
13
15
17
dB
-83
-79
-75
dB
0.5
1
1.5
dB
225 300
W
2
kΩ
10
nF
4.3 4.5 4.7
V
0.5
1
1.5
dB
-21
-19
-17
dB
180 200 220 Hz
360 400 440 Hz
540 600 660 Hz
720 800 880 Hz
30
32
34
dB
-83 -79.5 -75
dB
0
0.5
1
dB
-0.75 0 +0.75 dB
-4
0
3
dB
2
dB
0.1
3
mV
0.5
5
mV
80 100
dB
0.48
1
ms
0.96
2
ms
70 123 170 ms
200 324 600 ms
1
V