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TAS5708 数据表(PDF) 32 Page - Texas Instruments |
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TAS5708 数据表(HTML) 32 Page - Texas Instruments |
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32 / 56 page ![]() T0420-02 SuddenPowerLoss (BDBTL) AVDD/DVDD PDN 3V I S 2 MCLK LRCLK SCLK SDIN I C 2 SCL SDA t DL-VDDH t PVCCL-VDDH 7.5V 10V PVCC/AVCC HIZ RESET t PL-HL t HL-DV t HL-PVCCH T0420-03 SuddenPowerLoss (ADBTL) AVDD/DVDD PDN 3V I S 2 MCLK LRCLK SCLK SDIN I C 2 SCL SDA t DL-VDDH t PVCCL-VDDH 7.5V 10V PVCC\AVCC HIZ RESET t PL-HL t HL-RL t RL-DV t RL-PVCCH TAS5708 SLOS570 – DECEMBER 2008 ........................................................................................................................................................................................... www.ti.com PARAMETER DESCRIPTION MIN TYP MAX UNIT tVDDH-DL Time digital inputs must remain low after AVDD/DVDD goes above 3V 0 µs tDL-VDDH Time digital inputs must be low before AVDD/DVDD goes below 3V 0 µs tVDDH-PVCCL Time PVCC/AVCC remains below 7.5V after AVDD/DVDD goes above 3V 100 µs Time PVCC/AVCC must be below 7.5V before AVDD/DVDD goes below tPVCCL-VDDH 0 µs 3V Time PVCC/AVCC must be above 10V before I2C commands may tPVCCH-I2C 10 µs address device tRL-PVCCH Time PVCC/AVCC must remain above 10V after RESET goes low 2 µs tRH-I2C Time RESET must be high before I2C commands may address device 13.5 ms Time digital inputs must be valid (driven as recommended) before RESET tDV-RH 100 µs goes high Time digital inputs must remain valid (driven as recommended) after tRL-DV 2 µs RESET goes low Autodetect completion wait time (given stable and valid clocks) before tautodetect 50 ms issuing further commands Exit shutdown wait time before issuing further commands to device (tstart texitSD 1+1.3*tstart ms given by register 0x1A) Enter shutdown wait time before issuing further commands to device (tstop tenterSD 1+1.3*tstop ms given by register 0x1A) Power-on-reset wait time after 1st trim following AVDD/DVDD power-up tPOR (tstart given by register 0x1A) (does not apply to trim commands following 240+1.3*tstart ms subsequent resets) Figure 39. BD BTL Power Loss Sequence Figure 40. AD BTL Power Loss Sequence 32 Submit Documentation Feedback Copyright © 2008, Texas Instruments Incorporated Product Folder Link(s): TAS5708 |
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