7404 Ver la hoja de datos (PDF) - STMicroelectronics
Número de pieza
componentes Descripción
fabricante
7404 Datasheet PDF : 26 Pages
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TDA7404D
ELECTRICAL CHARACTERISTICS (VS =9V; Tamb=25 ;RL=10kΩ; all gains = 0dB; f = 1kHz; unless otherwise
specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
INPUT SELECTOR
Rin Input Resistance
all single ended Inputs
70
100 130
kΩ
VCL Clipping Level
2.20 2.60
VRMS
SIN Input Separation
80
100
dB
GIN MIN Min. Input Gain
-1
0
1
dB
GIN MAX Max. Input Gain
18
20
22
dB
GSTEP Step Resolution
0.5
1
1.5
dB
VDC DC Steps
Adjacent Gain Steps
GMIN to GMAX
-5
1
5
mV
-10
5
10
mV
Voffset Remaining offset with AutoZero
0.5
mV
P DIFFERENTIAL STEREO INPUTS
Rin Input Resistance
(see Figure 1)
Differential
70
100 130
kΩ
GCD Gain
only at true differential
input
-0.75
0
0.75 dB
-5
-6
-7
dB
-11
-12
-13
dB
VCM = 1VRMS @ 1kHz
40
70
dB
CMRR Common Mode Rejection Ratio
VCM = 1VRMS @ 10kHz
40
60
dB
eNO Output-Noise @ Speaker-Outputs 20Hz - 20kHz, flat; all stages 0 dB
9
V
DIFFERENTIAL MONO INPUT
Rin Input Resistance
Differential
39
56
73
kΩ
CMRR Common Mode Rejection Ratio VCM = 1VRMS @ 1kHz
40
70
dB
VCM = 1VRMS @ 10kHz
40
60
dB
BEEP CONTROL
VRMS Beep Level
250 350 500 mV
fB
Beep Frequency
fB1
740 781 820
Hz
fB2
1.48 1.56 1.64 kHz
fB3
1.7
1.8
1.9
kHz
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