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TS4956 数据表(PDF) 46 Page - STMicroelectronics |
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TS4956 数据表(HTML) 46 Page - STMicroelectronics |
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46 / 51 page ![]() TS4956 Application information 46/51 4.11 Evaluation board An evaluation board for the TS4956 is available. For more information about this evaluation board, please refer to the Application Note, which can be found on www.st.com. Figure 133. Schematic of the evaluation board available for the TS4956 Figure 133. 3 4 14 13 1B KP1040 5 6 12 11 1C KP1040 1 2 16 15 1A KP1040 1 6 2 7 3 8 4 9 5 J1 DB9 T1 BS170 GND2 GND2 SCL SDA I2CVCC I2CVCC SCL SDA I2CVCC SDA Cn3 Cn4 SCL I2C BUS SDA Bias control Select I2C Mode TS4956 LHP MLO PHG RHP LHP Amplifier Speaker Amplifier RHP Amplifier PHG Amplifier I2CVCC BYPASS Digital volume SRP+ SRN- MLO Amplifier Stereo Stereo Input Left Input Right LIN RIN Stereo Stereo Input Left Input Right MIP MIN 4 5 7 3 1 2 15 6 10 16 C1 1µF + Cin2 330nF Diff. input + Diff. input - SE input left SE input right Cs1 1µF Cs2 100nF Vcc Cn2 1 2 3 J2 PHONEJACK STEREO I2C SUPPLY 1 2 3 Cn5 Vcc I2CVCC TS4956 POWER SUPPLY 1 2 3 4 JP1 1 2 JP4 1 2 JP5 1 2 3 JP6 I2CVCC + Cin1 330nF + Cin3 330nF + Cin4 330nF GND2 GND RTS DSR TXD DTR + C2 220µF 1 2 JP2 1 2 JP3 1K R2 D1 1N4148 1K R3 D2 1N4148 10K R5 10K R6 1K R7 180R R4 2k2 R1 Cn1 |
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