Datasheet

TDA7419 Electrical specifications
11/40
Volu me control
G
MAX
Max gain 13 15 17 dB
A
MAX
Max attenuation -83 -79 -75 dB
A
STEP
Step resolution 0.5 1 1.5 dB
E
A
Attenuation set error
G = -20 to +20 dB -0.75 0 +0.75 dB
G = -79 to -20 dB -4 0 3 dB
E
T
Tracking error 2dB
V
DC
DC steps Adjacent attenuation steps -3 0.1 3 mV
From 0dB to G
MIN
-5 0.5 5 mV
Soft-mute
A
MUTE
Mute attenuation 80 100 dB
T
D
Delay time
T1 0.48 1 ms
T2 0.96 2 ms
T3 70 123 170 ms
V
TH Low
Low threshold for SM pin 1 V
V
TH High
High threshold for SM pin 2.5 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
f
C1
54 60 66 Hz
f
C2
72 80 88 Hz
f
C3
90 100 110 Hz
f
C4
180 200 220 Hz
Q
BASS
Quality factor
Q
1
0.911.1
Q
2
1.11.251.4
Q
3
1.3 1.5 1.7
Q
4
1.822.2
C
RANGE
Control range 14 ±15 ±16 dB
A
STEP
Step resolution 0.5 1 1.5 dB
DC
GAIN
Bass-DC-gain
DC = off -1 0 +1 dB
DC = on (shelving filter, use for
cut only)
-4.4 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