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PDF TDA7407 Data sheet ( Hoja de datos )
| Número de pieza | TDA7407 | |
| Descripción | ADVANCED CAR SIGNAL PROCESSOR | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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TDA7407
Advanced car signal processor
Features
● Fully integrated signal processor optimized
for car radio applications
● Fully programmable by i2c bus
● Includes audioprocessor, stereo decoder
with noise blanker and multipath detector
● Softmute function
LQFP44
● Programmable roll-off compensation
)● No external components
ct(sDescription
duThe TDA7407 is the newcomer of the CSP family
rointroduced by TDA7460/61. It uses the same
Pinnovative concepts and design technologies
teallowing fully software programmability through
I2C bus and overall cost optimisation for the
lesystem designer.
The device includes a three band audioprocessor
with configurable inputs, and absence of external
components for filter settings, a last generation
stereo decoder with multipath detector, and a
sophisticated stereo blend and noise cancellation
circuitry. Strength points of the CSP approach are
flexibility and overall cost/room saving in the
application, combined with high performances.
bsoOrder codes
- OPart number
t(s)TDA7407
Obsolete ProducTDA7407TR
Package
LQFP44
LQFP44
Packing
Tray
Tape and reel
January 2007
Rev 3
1/46
www.st.com
1
1 page  
TDA7407
List of tables
List of tables
Table 1. Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Table 2. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Table 3. Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Table 4. Thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Table 5. Audio processor electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Table 6. Stereo decoder electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Table 7. Noise blanker electrical characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Table 8. Multipath electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Table 9. Quality detector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Table 10. Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Table 11. Transmitted data (send mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Table 12. Subaddress (receive mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Table 13. Input selector (subaddress 0H). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Table 14.
Table 15.
)Table 16.
t(sTable 17.
cTable 18.
uTable 19.
dTable 20.
roTable 21.
PTable 22.
teTable 23.
leTable 24.
Table 25.
soTable 26.
Obsolete Product(s) - ObTable 27.
Volume and speaker attenuation (subaddress 1H, 4H, 5H, 6H, 7H) . . . . . . . . . . . . . . . . . 36
Treble filter (subaddress 2H) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Bass filter (subaddress 3H) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Soft mute and bass programming (subaddress 8H) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Stereo decoder (subaddress 9H) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Noiseblanker (subaddress AH) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
High Cut (subaddress BH) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Field strength Control (subaddress CH) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Configuration (subaddress DH) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Stereo decoder adjustment (subaddress EH). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Testing (subaddress FH) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
New quality / control (subaddress 10H) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Mid filter (subaddress 11H). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
5/46
5 Page 
TDA7407
Audio processor part
2.1.7
Mute functions
● Direct mute
● Digitally controlled softmute with 4 programmable mute time.
2.2 Electrical characteristics
.
Table 5.
Symbol
Audio processor electrical characteristics
(VS = 9V; Tamb = 25°C; RL = 10KΩ; all gains = 0dB; f = 1KHz; unless otherwise
specified)
Parameter
Test condition
Min. Typ. Max. Unit
Input selector
Rin Input resistance
all inputs except phone
70 100 130 KΩ
VCL Clipping level
SIN Input separation
t(s)GIN MIN Min. input gain
cGIN MAX Max. input gain
duGSTEP Step resolution
ProVDC DC steps
teDifferential CD stereo input
soleRin Input resistance
- ObCMRR
Common mode rejection
ratio
ct(s)eN
Output noise @ speaker
outputs
duDifferential phone input
roRin Input resistance
te PCMRR
Common mode rejection
ratio
oleVolume control
Obs GMAX Max gain
Adjacent gain step
GMIN to GMAX
2.2 2.6
80 100
VRMS
dB
-1 0 1 dB
13 15 17 dB
0.5 1 1.5 dB
-5 0.5 5 mV
-10 5 10 mV
Differential
Common mode
VCM = 1VRMS @ 1KHz
VCM = 1VRMS @ 10KHz
20Hz to 20KHz flat; all stages
0dB
70 100 130 KΩ
70 100 130 KΩ
45 70
dB
45 60
dB
6 15 mV
Differential
VCM = 1VRMS @ 1KHz
VCM = 1VRMS @ 10KHz
40 56
40 70
40 60
KΩ
dB
dB
13 15 17 dB
AMAX Max attenuation
70 79
dB
ASTEP Step resolution
0.5 1 1.5 dB
EA Attenuation set error
G = -20 to 20dB
G = -60 to 20dB
-1.25
-4
0
0
1.25 dB
3 dB
ET Tracking error
2 dB
11/46
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet TDA7407.PDF ] | |
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