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TAS5815PWPR bảng dữ liệu(PDF) 48 Page - Texas Instruments

tên linh kiện TAS5815PWPR
Giải thích chi tiết về linh kiện  TAS5815 30-W, Digital Input, Stereo, Closed-loop Class-D Audio Amplifier with 96 kHz Enhanced Processing
PDF  123 Pages
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Trang chủ  http://www.ti.com
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TAS5815PWPR bảng dữ liệu(HTML) 48 Page - Texas Instruments

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7.5.3.2 Shutdown Procedures
1. The device is in normal operation.
2. Configure the DEVICE_CTRL2 Register [1:0]=00 (DEEP SLEEP) via the I2C control port or Pull PDN low.
3. The clocks can now be stopped and the power supplies brought down.
4. The device is now fully shutdown and powered off.
I
2S
I
2S
I
2S
I
2S
6ms
0ms
PDN
PVDD
I
2S
I
2C
DVDD
4.5V
0ms
I
2C
I
2C
I
2C
Output Hiz
6ms
A.
Before PVDD/DVDD power down, Class D Output driver needs to be disabled by PDN or by I2C.
B.
At least 6ms delay needed based on: LRCLK (Fs) = 48kHz, digital volume =24dB, digital volume ramp down by 0.5dB every sample
period. Changing the value of DIG_VOL_CTRL2 or DIG_VOL_CTRL3 registers or changing the or change the LRCLK rate will change
the delay time.
Figure 7-15. Power down sequence
TAS5815
SLOSEA8 – DECEMBER 2024
www.ti.com
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