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TDA7294S データシート(PDF) 5 Page - STMicroelectronics |
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TDA7294S データシート(HTML) 5 Page - STMicroelectronics |
5 / 16 page 5/16 TDA7294S Figure 4. Typical Application P.C. Board and Component Layout (scale 1:1) 3 Application Suggestions (see Test and Application Circuits of the Fig. 2) The recommended values of the external components are those shown on the application circuit of Figure 2. Different values can be used; the following table can help the designer. Table 6. Application Suggestions COMPONENTS SUGGESTED VALUE PURPOSE LARGER THAN SUGGESTED SMALLER THAN SUGGESTED R1 (*) 22k INPUT RESISTANCE INCREASE INPUT IMPEDANCE DECREASE INPUT IMPEDANCE R2 680 Ω CLOSED LOOP GAIN SET TO 30dB (**) DECREASE OF GAIN INCREASE OF GAIN R3 (*) 22k INCREASE OF GAIN DECREASE OF GAIN R4 22k ST-BY TIME CONSTANT LARGER ST-BY ON/OFF TIME SMALLER ST-BY ON/ ON/OFF TIME; POP NOISE R5 10k MUTE TIME CONSTANT LARGER MUTE ON/OFF TIME SMALLER MUTE ON/OFF TIME C1 0.47 µF INPUT DC DECOUPLING HIGHER LOW FREQUENCY CUTOFF C2 22 µF FEEDBACK DC DECOUPLING HIGHER LOW FREQUENCY CUTOFF C3 10 µFMUTE TIME CONSTANT LARGER MUTE ON/OFF TIME SMALLER MUTE ON/OFF TIME |
同様の部品番号 - TDA7294S |
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同様の説明 - TDA7294S |
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