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TDA7719 数据表(PDF) 13 Page - STMicroelectronics |
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TDA7719 数据表(HTML) 13 Page - STMicroelectronics |
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13 / 45 page ![]() TDA7719 Description 13/45 4 Description 4.1 Input stages The input stage (Main source and 2nd source) is configurable to adapt to different application. There are 7 different configurations which provide different input structure and different number of input sources as shown below. ● 4 x QD, ● 2 x QD + 3 x SE, ● 1 x QD + 5 x SE, ● 1 x QD + 3 x SE + 2 x MD, ● 3 x QD + 1 x FD, ● 3 x QD + 2 x SE, ● 1 x QD + 2 x SE + 1 x FD + 1 x MD, ● 1 x QD + 3 x SE + 1 x FD Note: QD = Quasi-Differential, SE = Single-ended input, FD = Full Differential, MD = mono Differential The configuration of the input stage is controlled by ‘Input Configuration’ bits in I2C control table (Byte0 Bit5~Bit7). The table blow shows the configuration of input pins in different configurations. Table 6. Input pin configuration Pin Pin name Configuration bits (Byte0 Bit7~Bit5) "000" "001" "010" "011" "100" "101" "110" "111" CFG0 CFG1 CFG2 CFG3 CFG4 CFG5 CFG6 CFG7 1 QD1L_SE1L _MD3+ QD1L IN0 SE1L IN0 SE1L IN0 SE1L IN0 QD1L IN0 QD1L IN0 MD3+ IN7 SE1L IN0 2 QD1R_SE1R _MD3- QD1R SE1R SE1R SE1R QD1R QD1R MD3- SE1R 3 QD1G_SE2L QD1G SE2L IN4 SE2L IN4 SE2L IN4 QD1G QD1G SE2L IN4 SE2L IN4 4 QD2G_SE2R QD2G IN1 SE2R SE2R SE2R QD2G IN1 QD2G IN1 SE2R SE2R 5 QD2L_SE3L QD2L SE3L IN1 SE3L IN1 SE3L IN1 QD2L QD2L SE3L IN1 SE3L IN1 6 QD2R_SE3R QD2R SE3R SE3R SE3R QD2R QD2R SE3R SE3R 7 QD3L QD3L IN2 QD3L IN2 QD3L IN2 QD3L IN2 QD3L IN2 QD3L IN2 QD3L IN2 QD3L IN2 8 QD3G QD3G QD3G QD3G QD3G QD3G QD3G QD3G QD3G 9 QD3R QD3R QD3R QD3R QD3R QD3R QD3R QD3R QD3R 10 QD4L_FD4+ _SE4L_MD1+ QD4L IN3 QD4L IN3 SE4L IN5 MD1+ IN3 FD4L+ IN3 SE4L IN5 FD4L+ IN3 FD4L+ IN3 11 QD4G_FD4L _SE4R_MD1- QD4G QD4G SE4R MD1- FD4L- SE4R FD4L- FD4L- 12 QD4G_FD4R_S E5L_MD2- QD4G QD4G SE5L IN6 MD2- IN3 FD4R- SE5L IN6 FD4R- FD4R- 13 QD4R_FD4R+_ SE5R_MD2+ QD4R QD4R SE5R MD2+ FD4R + SE5R FD4R+ FD4R+ |
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