Datasheet

TDA7419 Electrical specifications
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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 1 5 mV
Subwoofer lowpass
f
LP
Lowpass corner frequency
f
LP1
72 80 88 Hz
f
LP2
108 120 132 Hz
f
LP3
144 160 176 Hz
HPF effect
G
MAX
Max gain 21 22 23 dB
G
MIN
Min gain 3 4 5 dB
A
STEP
Step resolution 1.5 2 2.5 dB
Spectrum analyzer control
V
SAOut
Output voltage range 0 3.3 V
f
C1
Center frequency band 1 5.5 62 69 Hz
f
C2
Center frequency band 2 141 157 173 Hz
f
C3
Center frequency band 3 356 392 436 Hz
f
C4
Center frequency band 4 0.9 1 1.1 kHz
f
C5
Center frequency band 5 2.26 2.51 2.76 kHz
f
C6
Center frequency band 6 5.70 6.34 6.98 kHz
f
C7
Center frequency band 7 14.4 16 17.6 kHz
Q Quality factor
Q1 1.62 1.8 1.98
Q2 3.15 3.5 3.85
f
SAClk
Clock frequency 3 100 kHz
t
Sadel
Analog output delay time 2 s
t
repeat
Spectrum analyzer repeat time 50 ms
t
intres
Internal reset time 4.5 ms
General
e
NO
Output noise
BW = 20 Hz to 20 kHz
all gain = 0dB
12 20 V
BW = 20 Hz to 20 kHz output
muted
615V
S/N Signal to noise ratio all gain = 0 dB flat; V
o
= 2 V
RMS
100 dB
D Distortion V
IN
= 1 V
RMS
; all stages 0 dB 0.01 0.1 %
S
C
Channel separation left/right 80 90 dB
Table 6. Electrical characteristics (continued)
V
S
= 8.5V; T
amb
= 25°C; R
L
= 10k; all gains = 0 dB; f = 1 kHz; unless otherwise specified
Symbol Parameter Test condition Min. Typ. Max. Unit