Hello team,
Can you support my customer?
Question ①
The TAS2505 is designed with Dual Voltage Rails that supplies AVDD and DVDD. There are two power saving modes, Standby Mode and Shutdown Mode.
- Is Standby Mode more suitable for starting up as soon as possible?
- In that case, SLAU472 2.8.1.2.1 states that SPK VDD and 1.8V voltages (AVDD and DVDD) should be left on to power down the other blocks. Could you please tell me how to power down other blocks (whether it is a register control somewhere or should I disconnect the power supply of IO VDD)?
- Also, the datasheet says "device responds very quickly to playback requests", but could you please tell me how long it will take to get up?
Question ②
The SPKP terminal / SPKM terminal and the speaker are directly connected. When the sound is not output, you can hear a "sir" sound at a low volume.
Also, when you disconnect the SPK VDD power supply, you will hear a "push" sound. They think this is due to the constant output of a square wave of about 300kHz from the SPKP terminal / SPKM terminal.
- Is it possible to stop this by register control?
Best regards,
Shotaro