TDA7404DTR STMicroelectronics, TDA7404DTR Datasheet - Page 11

• Manufacturer Part Number: TDA7404DTR
• Description: IC PROCESSOR CAR SIGNAL SO-28
• Manufacturer: STMicroelectronics
• Type: Car Signal Processorr

Specifications of TDA7404DTR

• Applications: Automotive Systems
• Mounting Type: Surface Mount
• Package / Case: 28-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TDA7404
Table 5.
Soft-step
Bass control
Treble control
Speaker attenuator
Symbol
C
C
C
DC
Q
A
A
A
A
RANGE
RANGE
RANGE
T
V
T
MUTE
STEP
BASS
STEP
STEP
V
E
f
f
SW
GAIN
DC
ZC
C
C
th
E
Switch time
Control range
Step resolution
Center frequency
Quality factor
Bass DC gain
Control range
Step resolution
Center frequency
Control range
Step resolution
Output mute attenuation
Attenuation set error
DC steps
Zero cross timer
Zero cross threshold
Electrical characteristics (continued)
(V
S
=9 V; T
Parameter
amb
=25 °C; R
L
=10 kΩ; all gains = 0 dB; f = 1 kHz; unless otherwise specified)
Only for attenuation up to 24 dB
T
T
T
T
f
f
f
f
Q
Q
Q
Q
DC = off
DC = on
f
f
f
f
Adjacent attenuation steps
Data bit D1=1, D2=1
C1
C2
C3
C4
C1
C2
C3
C4
SW1
SW2
SW3
SW4
1
2
3
4
Test conditions
Min.
180
+14
0.5
0.9
1.1
1.3
1.8
+14
0.5
-53
0.5
54
72
90
10
12
14
80
29
-2
-1
8
4
Electrical specifications
Typ.
0.68
1.26
2.52
5.04
1.25
12.5
17.5
0.10
100
200
+20
+15
+15
1.5
4.4
60
80
10
15
50
90
37
1
1
2
0
1
1
Max.
110
220
+16
1.5
1.1
1.4
1.7
2.2
+16
1.5
-47
1.5
66
88
12
18
45
15
21
1
6
2
5
Unit
kHz
kHz
kHz
kHz
mV
mV
ms
ms
ms
ms
ms
Hz
Hz
Hz
Hz
11/35
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB