|
|
PDF TDA7418 Data sheet ( Hoja de datos )
| Número de pieza | TDA7418 | |
| Descripción | 3 band car audio processor | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
|
Hay una vista previa y un enlace de descarga de TDA7418 (archivo pdf) en la parte inferior de esta página. Total 29 Páginas | ||
|
No Preview Available !
TDA7418
3 band car audio processor
Features
• Input multiplexer
– PD/SE4: pseudo differential stereo input,
programmable as single-ended input
– SE1: stereo single-end input
– SE2: stereo single-end input
– SE3: stereo single-end input
– Input gain adjust from 0 to 15dB with 1dB
steps
– Internal offset-cancellation (AutoZero)
• Loudness
– Second order frequency response
– Programmable center frequency
(400 Hz / 800 Hz / 2400 Hz)
– 15dB with 1dB steps
– Selectable low and high frequency boost
– Selectable flat-mode (constant attenuation)
• Volume
– +15dB to -79dB with 1dB step resolution
– Soft-step control with programmable blend
times
• Bass
– Second order frequency response
– Center frequency programmable in 4 steps
(60 Hz / 80 Hz / 100 Hz / 200 Hz)
– Q programmable 1.0/1.25/1.5/2.0
– DC gain programmable
– -15 to 15dB range with 1dB resolution
• Middle
– Second order frequency response
– Center frequency programmable in 4 steps
(500 Hz / 1 kHz / 1.5 kHz / 2.5 kHz)
Table 1. Device summary
Order code
Temp range, C
TDA7418
-40 to +85
TDA7418TR
-40 to +85
SO20
– Q programmable 0.5/0.75/1.0/1.25
– -15 to 15dB range with 1dB resolution
• Treble
– Second order frequency response
– Center frequency programmable in 4 steps
(10 kHz / 12.5 kHz / 15 kHz / 17.5 kHz)
– -15 to 15dB range with 1dB resolution
• Speaker
– 4 independent soft step speaker controls,
+15dB to -79dB with 1dB steps direct mute
• Subwoofer
– Single-ended mono output
– Independent soft step level control, +15dB
to -79dB with 1dB steps
• Mute functions
– Direct mute
– Digitally controlled SoftMute with 3
programmable mute-times
(0.48 ms / 0.96 ms /123 ms)
Description
The TDA7418 includes a high performance audio
processor with fully integrated 3-Band filters to
process signals at audible frequencies. The digital
control allows a full programming of the
audioprocessor and filters characteristics.
Package
SO20
SO20
Packing
Tube
Tape and reel
September 2013
Rev 4
1/29
www.st.com
1
Free Datasheet http://www.Datasheet4U.com
1 page  
TDA7418
List of figures
List of figures
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Figure 9.
Figure 10.
Figure 11.
Figure 12.
Figure 13.
Figure 14.
Figure 15.
Figure 16.
Figure 17.
Figure 18.
Figure 19.
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Pin out. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Input stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Loudness attenuation @ fC = 400Hz. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Loudness center frequencies @ Attn. = 15dB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Loudness attenuation, fc = 2.4kHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Softmute timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
SoftStep timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Bass control @ fC = 80Hz, Q = 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Bass center frequencies @ Gain = 15dB, Q = 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Bass quality factors @ Gain = 14dB, fC = 80Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Bass normal and DC mode @ Gain = 14dB, fC = 80Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Middle control @ fC = 1 kHz, Q = 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Middle center frequencies @ Gain = 14dB, Q = 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Bass quality factors @ Gain = 14dB, fC = 1kHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Treble control @ fC = 17.5 kHz. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Treble center frequencies @ Gain = 14dB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
MUX output configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
SO20 mechanical data and package dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
5/29
Free Datasheet http://www.Datasheet4U.com
5 Page 
TDA7418
Electrical specification
Table 4.
Symbol
Electrical characteristics (continued)
VS = 8.5 V; Tamb= 25 °C; RL= 10 k; all gains = 0 dB; f = 1 kHz; unless otherwise specified
Parameter
Test condition
Min. Typ. Max. Unit
Audio outputs
VCL
ROUT
RL
CL
VDC
Clipping level
Output impedance
Output load resistance
Output load capacitor
DC voltage level
Subwoofer attenuator
d = 0.3%
1.8 2
VRMS
30 100
2 k
10 nF
3.8 4.0 4.2
V
GMAX
AMAX
ASTEP
AMUTE
EE
VDC
General
Max. gain
Max. attenuation
Step resolution
Mute attenuation
Attenuation set error
DC steps
Adjacent attenuation steps
14 15 16 dB
-84 -79 -74 dB
0.5 1 1.5 dB
80 90
dB
2 dB
-5 0.1 5 mV
eNO Output noise
BW=20Hz to 20 kHz all gain =
0dB
12 20 V
S/N Signal to noise ratio
all gain = 0dB flat; Vo=2VRMS
100
dB
D Distortion
VIN=1VRMS; all stages 0dB
0.005 0.100 %
SC Channel separation left/right
80 90
dB
1. Min. and max. values are calculated according to simulation results; functionality is guaranteed by measuring a directly
correlated parameter.
11/29
Free Datasheet http://www.Datasheet4U.com
11 Page | ||
| Páginas | Total 29 Páginas | |
| PDF Descargar | [ Datasheet TDA7418.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| TDA7410ND | Signal processor | STMicroelectronics |
| TDA7411 | ADVANCED CAR SIGNAL PROCESSOR |  ST Microelectronics |
| TDA7412 | CARRADIO SIGNAL PROCESSOR | ST Microelectronics |
| TDA7415CB | Car radio multimedia signal processor | STMicroelectronics |
| Número de pieza | Descripción | Fabricantes |
| SLA6805M | High Voltage 3 phase Motor Driver IC. |
 Sanken |
| SDC1742 | 12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters. |
 Analog Devices |
|
DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares, |
| DataSheet.es | 2020 | Privacy Policy | Contacto | Buscar |