データシートサーチシステム |
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STA543SA データシート(PDF) 11 Page - STMicroelectronics |
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STA543SA データシート(HTML) 11 Page - STMicroelectronics |
11 / 23 page STA543SA 4 Evaluation Board CD00061065 11/23 4 Evaluation Board In addition to the Test Board shown in Figure 3. intended also to evaluate the STA540SA Amplifier, it is possible to order the dedicated STA543SA evaluation board of Figure 6. The PCB layout (single layer) is shown in Figure 7. 4.1 Crcuit description With this board it is possible to amplify three analog signals Left, Right, Subwoofer coming from separated sources or to generate the BASS part to be sent to the Subwoofer via a passive crossover network. All the three channels have a Linear DC volume Control. Figure 6. Evaluation Board Schematic +5V +5V +5V +5V +5V 100K VOL. CONTR. 1 VOL. CONTR. 2 VOL. CONTR. 3 P1 100K P1 100K C7 100nF C7 100nF R7 N.M. R7 N.M. R4 300K R4 300K OUTR OUTR SGND SGND OUT3+ OUT3+ C6 100nF C6 100nF R5 300K R5 300K R9 10K R9 10K VS VS C14 47µF 25V C14 47µF 25V C13 1µF C13 1µF R1 10K R1 10K C10 0.47µF C10 0.47µF PGND PGND + C3 1000µF 25V + C3 1000µF 25V C8 0.22µF C8 0.22µF C5 1000µF 25V C5 1000µF 25V R2 N.M. R2 N.M. C4 0.22µF C4 0.22µF C11 N.M. C11 N.M. OUTL OUTL SGND SGND GND GND R3 N.M. R3 N.M. +5V +5V OUT1 1 OUT2 2 IN1 4 IN2 5 VOL1 6 VOL2 7 SVR 8 VOL3 13 VOL_OUT 14 IN3 15 AMP_IN 16 OUT3- 18 OUT3+ 19 U1 U1 + C1 10µF 25V + C1 10µF 25V IN1(L) IN1(L) PGND PGND C9 1000µF 25V C9 1000µF 25V IN2(R) IN2(R) C12 100nF C12 100nF IN3(SW) IN3(SW) R6 N.M. R6 N.M. P2 100K P2 100K OUT3- OUT3- ST-BY ST-BY C2 100nF C2 100nF R8 300K R8 300K DIAG DIAG |
同様の部品番号 - STA543SA |
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同様の説明 - STA543SA |
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