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TDA7264A Datasheet(PDF) 6 Page - STMicroelectronics |
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TDA7264A Datasheet(HTML) 6 Page - STMicroelectronics |
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6 / 12 page  COMPONENTS RECOMMENDED VALUE PURPOSE LARGER THAN RECOMMENDED VALUE SMALLER THAN RECOMMENDED VALUE R1 10K Ω Mute Circuit Increase of Dz Biasing Current R2 15K Ω Mute Circuit Vpin # 4 Shifted Downward Vpin # 4 Shifted Upward R3 18K Ω Mute Circuit Vpin # 4 Shifted Upward Vpin # 4 Shifted Downward R4 15K Ω Mute Circuit Vpin # 4 Shifted Upward Vpin # 4 Shifted Downward R5, R6 4.7 Ω Frequency Stability Danger of Oscillations Danger of Oscillations C1, C2 1 µF Input DC Decoupling Higher Low Frequency Cutoff C3 1 µF St-By/Mute Time Constant Larger On/Off Time Smaller On/Off Time C4, C6 1000 µF Supply Voltage Bypass Danger of Oscillations C5, C7 0.1 µF Supply Voltage Bypass Danger of Oscillations C8, C9 0.1 µF Frequency Stability Dz 5.1V Mute Circuit Q1 BC107 Mute Circuit APPLICATIONS SUGGESTION for TDA7264 (Demo Board Schematic) The recommended values of the external compo- nents are those shown on the demo board sche- matic. Different values can be used: the following table can help the designer. MUTE, STAND-BY TRUTH TABLE SW1 SW2 A A STAND-BY A B STAND-BY B B MUTE B A PLAY COMPONENTS RECOMMENDED VALUE PURPOSE LARGER THAN RECOMMENDED VALUE SMALLER THAN RECOMMENDED VALUE R1 10K Ω Mute Circuit Increase of Dz Biasing Current R2 15K Ω Mute Circuit Vpin # 5 Shifted Downward Vpin # 5 Shifted Upward R3 18K Ω Mute Circuit Vpin # 5 Shifted Upward Vpin # 5 Shifted Downward R4 15K Ω Mute Circuit Vpin # 5 Shifted Upward Vpin # 5 Shifted Downward R7, R10 4.7 Ω Frequency Stability Danger of Oscillations Danger of Oscillations C1, C2 1 µF Input DC Decoupling Higher Low Frequency Cutoff C3 1 µF St-By/Mute Time Constant Larger On/Off Time Smaller On/Off Time C4, C6 1000 µF Supply Voltage Bypass Danger of Oscillations C5, C7 0.1 µF Supply Voltage Bypass Danger of Oscillations C8, C9 0.1 µF Frequency Stability Dz 5.1V Mute Circuit Q1 BC107 Mute Circuit APPLICATIONS SUGGESTION for TDA7264A (Demo Board Schematic) The recommended values of the external compo- nents are those shown are the demo board sche- matic different values can be used: the following table can help the designer. TDA7264 - TDA7264A 6/12 |
Similar Part No. - TDA7264A |
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Similar Description - TDA7264A |
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