Electrical specifications TDA7404
12/35
Fader outputs
V
CLIP
Clipping level d = 0.3% 2.20 2.60 V
RMS
R
L
Output load resistance 2 k
C
L
Output load capacitance 10 nF
R
OUT
Output impedance 30 100 W
V
DC
DC Voltage Level 4.3 4.5 4.7 V
Subwoofer attenuator
C
RANGE
Control range -53 50 -47 dB
A
STEP
Step resolution 0.5 1 1.5 dB
A
MUTE
Output mute attenuation 80 90 dB
E
E
Attenuation set error 2 dB
V
DC
DC steps Adjacent attenuation steps 0.10 5 mV
General
e
NO
Output noise
BW = 20 Hz - 20 kHz
all gains = 0 dB single ended
inputs
10 15 V
S/N Signal to noise ratio
all gains = 0 dB
flat; V
O
= 2V
RMS
106 dB
bass, treble at +12 dB;
a-weighted; V
O
= 2.6 V
RMS
100 dB
d Distortion
V
IN
= 1 V
RMS
; all stages 0 dB
internal pass only
0.005 0.1 %
V
OUT
= 1 V
RMS
;
Bass and treble = 12 dB
0.05 0.1 %
S
C
Channel separation left/right 80 100 dB
E
T
Total tracking error
A
V
= 0 to -20 dB -1 0 1 dB
A
V
= -20 to -60 dB -2 0 2 dB
1. The SM-Pin is active low (Mute = 0).
2. Center frequency 2.4 kHz makes 1kHz bottom frequency at low and high frequency boost condition.
Table 5. Electrical characteristics (continued)
(V
S
=9 V; T
amb
=25 °C; R
L
=10 k; all gains = 0 dB; f = 1 kHz; unless otherwise specified)
Symbol Parameter Test conditions Min. Typ. Max. Unit
