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PDF TDA7411 Data sheet ( Hoja de datos )
| Número de pieza | TDA7411 | |
| Descripción | ADVANCED CAR SIGNAL PROCESSOR | |
| Fabricantes | ST Microelectronics | |
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( DataSheet : www.DataSheet4U.com )
TDA7411
ADVANCED CAR SIGNAL PROCESSOR
s FULLY INTEGRATED SIGNAL PROCESSOR
OPTIMIZED FOR CAR RADIO
APPLICATIONS
s FULY PROGRAMMABLE BY I2C BUS
s INCLUDES AUDIOPROCESSOR, STEREO-
DECODER WITH NOISE BLAMKER AND
MULTIPATH DETECTOR
s SOFTMUTE FUNCTION
s PROGRAMMABLE ROLL-OFF
COMPENSATION
s NO EXTERNAL COMPONENTS
TQFP44
ORDERING NUMBER: TDA7411
DESCRIPTION
The TDA7411 is the successor of the TDA7407 in
the CSP family introduced by the TDA7460/61. It
uses the same innovative concepts and design
technologies allowing fully software programma-
bility through I2C bus and overall cost optimization
for the system designer.
The device includes a three band audio processor
with extended configurable input and output stag-
BLOCK DIAGRAM
es and absence of external components for filter
settings, a last generation stereo decoder with
multi path detector and a sophisticated stereo
blend, high cut control and noise cancellation cir-
cuitry.
Strength points of the CSP approach are flexibility
and overall cost/room saving in the application,
combined with high performances.
October 2003
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1/43
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1 page  
TDA7411
ELECTRICAL CHARACTERISTICS
(VS = 8V; Tamb = 25°C; RL = 10KΩ; all gains = 0dB; f = 1KHz; unless otherwise specified)
Symbol
Parameter
Test Condition
Min. Typ. Max.
INPUT SELECTOR
Rin Input Resistance
all inputs except Phone
70 100 130
VCL Clipping Level
THD < 0.3%
1.6 1.7
SIN Input Separation
80 100
GIN MIN Min. Input Gain
-0.5 0 0.5
GIN MAX Max. Input Gain
14 15 16
GSTEP Step Resolution
0.5 1 1.5
VDC DC Steps
Adjacent Gain Step
GMIN to GMAX
-5 0.5
5
-10 5 10
FULL AND QUASI DIFFERENTIAL STEREO INPUT
Rin Input Resistance (see Figure 1) Differential
Common Mode
70 100 130
70 100 130
CMRR Common Mode Rejection Ratio VCM = 1VRMS @ 1KHz
45 70
VCM = 1VRMS @ 10KHz
45 60
eN Output Noise @ Speaker Outputs 20Hz to 20KHz flat; all stages 0dB
9 15
MONO DIFFERENTIAL INPUT (NV and MD in differential mode)
Rin Input Resistance
Differential
40 56
CMRR Common Mode Rejection Ratio VCM = 1VRMS @ 1KHz
40 70
VCM = 1VRMS @ 10KHz
40 60
VOLUME CONTROL
GMAX Max Gain
14 15 16
AMAX Max Attenuation
74 79
ASTEP Step Resolution
0.5 1 1.5
EA Attenuation Set Error
G = -20 to +20dB
G = -60 to +20dB
-1.25 0 +1.25
-4 0 +3
ET Tracking Error
2
VDC DC Steps
Adjacent Attenuation Steps
From 0dB to GMIN
0.1 3
0.5 5
SOFT MUTE/AFS
AMUTE Mute Attenuation
80 100
TD Delay Time
T1
T2
0.24
0.48
T3 10.1
T4 20.2
VTH low Low Threshold for Mute/AFS-Pin1
1
VTH high High Threshold for SM -Pin
1.8
VTH high High Threshold for AFS -Pin
2.4
VSMon Monitor Voltage for SMon
2.4
RPD Internal Pull-up Resistor
100
BASS CONTROL
CRANGE Control Range
±13 ±15 ±17
ASTEP Step Resolution
0.5 1 1.5
Unit
KΩ
VRMS
dB
dB
dB
dB
mV
mV
KΩ
KΩ
dB
dB
µV
KΩ
dB
dB
dB
dB
dB
dB
dB
dB
mV
mV
dB
ms
ms
ms
ms
V
V
V
V
KΩ
dB
dB
5/43
5 Page 
TDA7411
Bass
There are four parameters programmable in the bass stage:
Attenuation
Figure 4 shows the attenuation as a function of frequency at a center frequency of 80Hz.
Figure 4. Bass Control @ fC = 80Hz, Q = 1
15.0
10.0
5.0
0.0
-5.0
-10.0
-15.0
10.0
100.0
1.0K
10.0K
Center Frequency
Figure 5 shows the four possible center frequencies 60, 70, 80 and 100Hz.
Figure 5.
15.0
12.5
10.0
7.5
5.0
2.5
0.0
10.0
100.0
1.0K
10.0K
11/43
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet TDA7411.PDF ] | |
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