Datasheet
TDA7418 Electrical specification
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e
No
Output noise @ speaker outputs
20Hz-20kHz,flat;
all stages 0dB
12 20 V
Loudness control
A
MAX
Max. attenuation -16 -15 -14 dB
A
STEP
Step resolution 0.5 1 1.5 dB
f
Peak
Peak frequency
(1)
f
P1
360 400 440 Hz
f
P2
720 800 880 Hz
f
P4
2.1 2.4 2.7 kHz
Volume control
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
E
A
Attenuation set error
G = -20 to +15dB -1 0 1 dB
G = -79 to -20dB -4 0 3 dB
E
T
Tracking error 2 dB
V
DC
DC steps
Adjacent Attenuation Steps -3 0.1 3 mV
From 0dB to G
MIN
-10 0.5 10 mV
Soft mute
A
MUTE
Mute attenuation 80 100 dB
T
D
Delay time
T1 0.48 ms
T2 0.96 ms
T3 123 ms
V
TH Low
Low threshold for SM pin 0.7 V
V
TH High
High threshold for SM pin 2.7 V
R
PU
Internal pull-up resistor 32 45 58 k
V
PU
Internal pull-up voltage 3.3 V
Bass control
fc Center frequency
(1)
f
C1
54 60 66 Hz
f
C2
72 80 88 Hz
f
C3
90 100 110 Hz
f
C4
180 200 220 Hz
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