Datasheet

TDA7418 Electrical specification
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Audio outputs
V
CL
Clipping level d = 0.3% 1.8 2 V
RMS
R
OUT
Output impedance 30 100
R
L
Output load resistance 2 k
C
L
Output load capacitor 10 nF
V
DC
DC voltage level 3.8 4.0 4.2 V
Subwoofer attenuator
G
MAX
Max. gain 14 15 16 dB
A
MAX
Max. attenuation -84 -79 -74 dB
A
STEP
Step resolution 0.5 1 1.5 dB
A
MUTE
Mute attenuation 80 90 dB
E
E
Attenuation set error 2 dB
V
DC
DC steps Adjacent attenuation steps -5 0.1 5 mV
General
e
NO
Output noise
BW=20Hz to 20 kHz all gain =
0dB
12 20 V
S/N Signal to noise ratio all gain = 0dB flat; Vo=2V
RMS
100 dB
DDistortion V
IN
=1V
RMS
; all stages 0dB 0.005 0.100 %
S
C
Channel separation left/right 80 90 dB
1. Min. and max. values are calculated according to simulation results; functionality is guaranteed by measuring a directly
correlated parameter.
Table 4. Electrical characteristics (continued)
V
S
= 8.5 V; T
amb
= 25 °C; R
L
= 10 k; all gains = 0 dB; f = 1 kHz; unless otherwise specified
Symbol Parameter Test condition Min. Typ. Max. Unit