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PDF TDA7303 Data sheet ( Hoja de datos )
| Número de pieza | TDA7303 | |
| Descripción | Digital controlled stereo audio processor | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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TDA7303
Digital controlled stereo audio processor with loudness
Features
■ Input multiplexer:
www.DataSheet4U.com– 3 stereo inputs
– Selectable input gain for optimal adaption
to different sources
■ Volume control in 1.25dB steps
■ Loudness function
■ Treble and bass controL
■ Four speaker attenuatorS:
– 4 independent speakers control in 1.25dB
steps for balance and fader facilities
– Independent mute function
■ All functions programmable via serial I2C bus
Description
The TDA7303 is a volume, tone (bass and treble)
balance (Left/Right) and fader (front/rear)
processor for quality audio applications in car
radio, Hi-Fi and portable systems.
SO-28
Selectable input gain and external loudness
function are provided. Control is accomplished by
serial I2C bus microprocessor interface.
The AC signal setting is obtained by resistor
networks and switches combined with operational
amplifiers.
Thanks to the used BIPOLAR/CMOS Tecnology,
Low Distortion, Low Noise and Low DC stepping
are obtained.
Order codes
Part number
TDA7303
TDA7303TR
Package
SO-28
SO-28
Packing
Tray
Tape and reel
August 2006
Rev 1
1/21
www.st.com
1
1 page  
TDA7303
1 Block, test & pins diagrams
1.1 Block diagram
Figure 1. Block diagram
www.DataSheet4U.com
Block, test & pins diagrams
5/21
5 Page 
TDA7303
Electrical specifications
Figure 10. Signal to Noise Ratio vs. Volume
Setting
Figure 11. Distortion vs. Load Resistance
www.DataSheet4U.com
Figure 12. Channel Separation (L → R) vs.
Frequency
Figure 13. Input Separation (L1 → L2, L3) vs.
Frequency
Figure 14. Supply Voltage Rejection vs.
Frequency
Figure 15. Output Clipping Level vs. Supply
Voltage
11/21
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet TDA7303.PDF ] | |
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