Datasheet

Electrical specifications TDA7419
12/40
Middle control
C
RANGE
Control range 14 ±15 ±16 dB
A
STEP
Step resolution 0.5 1 1.5 dB
f
c
Center frequency
f
C1
400 500 600 Hz
f
C2
0.811.2kHz
f
C3
1.2 1.5 1.8 kHz
f
C4
22.53kHz
Q
BASS
Quality factor
Q
1
0.45 0.5 0.55
Q
2
0.65 0.75 0.85
Q
3
0.911.1
Q
4
1.11.251.4
Treble control
C
RANGE
Clipping level 14 ±15 ±16 dB
A
STEP
Step resolution 0.5 1 1.5 dB
fc Center frequency
f
C1
81012kHz
f
C2
10 12.5 15 kHz
f
C3
12 15 18 kHz
f
C4
14 17.5 21 kHz
Speaker attenuators
G
MAX
Max gain 14 15 16 dB
A
MAX
Max attenuation -83 -79 -75 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
AUdio outputs
V
CL
Clipping level
d = 0.3%
1.8 2 V
RMS
R
OUT
Output impedance 30 100 W
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 -83 -79 -75 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