TDA7404D Datasheet, PDF (4/26 Pages) STMicroelectronics – CARRADIO-SIGNAL-PROCESSOR

TDA7404D
ELECTRICAL CHARACTERISTICS (V_S =9V; T_amb=25 ;R_L=10kΩ; all gains = 0dB; f = 1kHz; unless otherwise
specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
INPUT SELECTOR
R_in Input Resistance
all single ended Inputs
70
100 130
kΩ
V_CL Clipping Level
2.20 2.60
V_RMS
S_IN Input Separation
80
100
dB
G_{IN MIN} Min. Input Gain
-1
0
1
dB
G_{IN MAX} Max. Input Gain
18
20
22
dB
G_STEP Step Resolution
0.5
1
1.5
dB
V_DC DC Steps
Adjacent Gain Steps
G_MIN to G_MAX
-5
1
5
mV
-10
5
10
mV
V_offset Remaining offset with AutoZero
0.5
mV
P DIFFERENTIAL STEREO INPUTS
R_in Input Resistance
(see Figure 1)
Differential
70
100 130
kΩ
G_CD Gain
only at true differential
input
-0.75
0
0.75 dB
-5
-6
-7
dB
-11
-12
-13
dB
V_CM = 1V_RMS @ 1kHz
40
70
dB
CMRR Common Mode Rejection Ratio
V_CM = 1V_RMS @ 10kHz
40
60
dB
e_NO Output-Noise @ Speaker-Outputs 20Hz - 20kHz, flat; all stages 0 dB
9
V
DIFFERENTIAL MONO INPUT
R_in Input Resistance
Differential
39
56
73
kΩ
CMRR Common Mode Rejection Ratio V_CM = 1V_RMS @ 1kHz
40
70
dB
V_CM = 1V_RMS @ 10kHz
40
60
dB
BEEP CONTROL
V_RMS Beep Level
250 350 500 mV
f_B
Beep Frequency
f_B1
740 781 820
Hz
f_B2
1.48 1.56 1.64 kHz
f_B3
1.7
1.8
1.9
kHz
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