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TDA7496 Fiches technique(PDF) 4 Page - STMicroelectronics |
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TDA7496 Fiches technique(HTML) 4 Page - STMicroelectronics |
4 / 11 page TDA7496 4/11 APPLICATION SUGGESTIONS The recommended values of the external components are those shown on the application circuit of figure 1. Different values can be used, the following table can help the designer. Figure 1. Application Circui COMPONENT SUGGESTION VALUE PURPOSE LARGER THAN SUGGESTION SMALLER THAN SUGGESTION R1 300K Volume Control Circuit Larger volume regulation time Smaller volume regulation time R2 10K Mute time constant Larger mute on/off time Smaller mute on/off time P1 50K Volume Control Circuit C1 1000 µF Supply voltage bypass Danger of oscillation C2 470nF Input DC decoupling Lower low frequency cutoff Higher low frequency cutoff C3 470nF Input DC decoupling Lower low frequency cutoff Higher low frequency cutoff C4 470 µF Ripple rejection Better SVR Worse SVR C5 100nF Volume control time constant Larger volume regulation time Smaller volume regulation time C6 1000 µF Output DC decoupling Lower low frequency cutoff Higher low frequency cutoff C7 1 µF Mute time constant Larger mute on/off time Smaller mute on/off time C8 1000 µF Output DC decoupling Lower low frequency cutoff Higher low frequency cutoff C9 100nF Supply voltage bypass Danger of oscillation VOLUME OP AMP + - MUTE/STBY PROTECTIONS 1 C2 470nF INR 30K VOLUME OP AMP + - 30K C8 1000 µF C6 1000 µF C7 1 µF R2 10K 5 C3 470nF INL 8 S_GND 2 14 9 10 12 34 R1 300K C5 100nF VOLUME OUTR S1 STBY S2 MUTE OUTL 11 C4 470 µF SVR 7 D96AU493D VS VAROUT_R PW_GND 15 13 C9 0.1 µF C1 1000 µF +VS PW_GND VOL P1 50K LOG +5V TP1 PW_GND PW_GND S_GND +5V +5V VAROUT_L |
Numéro de pièce similaire - TDA7496_03 |
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Description similaire - TDA7496_03 |
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