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TDA7402 Datasheet, PDF (5/59 Pages) STMicroelectronics – CARRADIO SIGNAL PROCESSOR
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TDA7402
ELECTRICAL CHARACTERISTICS
VS = 9V; Tamb = 25°C; RL = 10kΩ; all gains = 0dB; f = 1kHz; unless otherwise specified
Symbol
Parameter
Test Conditio n
Min. Typ.
INPUT SELECTOR
Rin Input Resistance
all single ended Inputs
70
100
VCL Clipping Level
2.2
2.6
SIN Input Separation
80
100
GIN MIN Min. Input Gain
-1
0
GIN MAX Max. Input Gain
15
GSTEP Step Resolution
1
VDC DC Steps
Adjacent Gain Steps
1
GMIN to GMAX
6
Voffset Remaining offset with AutoZero
0.5
DIFFERENTIAL STEREO INPUTS
Rin Input Resistance
(see Figure 1)
Differential
70
100
GCD Gain
only at true differential input
0
-6
-12
CMRR Common Mode Rejection Ratio VCM = 1VRMS @ 1kHz
46
70
VCM = 1VRMS @ 10kHz
46
60
eNO Output-Noise @ Speaker-Outputs 20Hz - 20kHz, flat; all stages 0dB
9
DIFFERENTIAL MONO INPUTS
Rin Input Impedance
Differential
40
56
CMRR Common Mode Rejection Ratio VCM = 1VRMS @ 1kHz
40
70
VCM = 1VRMS @ 10kHz
40
60
BEEP CONTROL
VRMS Beep Level
Mix-Gain = 6dB
350
fBeep Beep Frequency
fBeep1
600
fBeep2
780
fBeep1
1.56
fBeep1
2.4
MIXING CONTROL
MLEVEL Mixing Ratio
Main / Mix-Source
-6/-6
Max.
130
+1
130
Unit
kΩ
VRMS
dB
dB
dB
dB
mV
mV
mV
kΩ
dB
dB
dB
dB
dB
µV
kΩ
dB
dB
mV
Hz
Hz
kHz
kHz
dB
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