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TAS5802PWPR 数据表(PDF) 4 Page - Texas Instruments |
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TAS5802PWPR 数据表(HTML) 4 Page - Texas Instruments |
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4 / 106 page  Table 4-1. Pin Functions For TSSOP28 Package (continued) PIN TYPE(1) DESCRIPTION NO. NAME 4 VR_DIG P Internally regulated 1.5-V digital supply voltage. This pin must not be used to drive external devices 5 DGND P Digital ground 6 LRCLK DI Input serial audio data left/right clock (sample rate clock) 7 SCLK DI Serial audio data clock (shift clock). SCLK is the serial audio port input data bit clock. 8 SDIN DI Serial audio data input. SDIN supports three discrete (stereo) data formats 9 SDOUT DO Serail audio data output, the source data can select as Pre-DSP or Post-DSP. 10 SDA DI/O I2C serial control data interface input/output 11 SCL DI I2C serial control clock input 12 PDN DI Power down, active-low. PDN sets the amplifier in Shutdown, turn off all internal regulators. 13 AVDD P Internally regulated 5 V analog power voltage. This pin must not be used to drive external devices. 14 AGND G Analog ground 15 PVDD P PVDD voltage input 16 PVDD P PVDD voltage input 17 OUT_B+ PO Positive pin for differential speaker amplifier output B+ 18 BST_B+ P Connection point for the OUT_B+ bootstrap capacitor which is used to create a power supply for the high-side gate drive for OUT_B+ 19 PGND G Ground reference for power device circuitry. Connect this pin to system ground 20 OUT_B- NO Negative pin for differential speaker amplifier output B- 21 BST_B- P Connection point for the OUT_B- bootstrap capacitor which is used to create a power supply for the high-side gate drive for OUT_B- 22 BST_A- P Connection point for the OUT_A- bootstrap capacitor which is used to create a power supply for the high-side gate drive for OUT_A- 23 OUT_A- NO Negative pin for differential speaker amplifier output A- 24 PGND G Ground reference for power device circuitry. Connect this pin to system ground 25 BST_A+ P Connection point for the OUT_A+ bootstrap capacitor which is used to create a power supply for the high-side gate drive for OUT_A+ 26 OUT_A+ PO Positive pin for differential speaker amplifier output A+ 27 PVDD P PVDD voltage input 28 PVDD P PVDD voltage input PowerPADTM G Ground, connect to grounded heat sink for best system performance. (1) AI = Analog input, AO = Analog output, DI = Digital Input, DO = Digital Output, DI/O = Digital Bi-directional (input and output), PO = Positive output, NO = Negative output, P = Power, G = Ground (0 V) TAS5802 SLASFB7A – NOVEMBER 2024 – REVISED AUGUST 2025 www.ti.com 4 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated Product Folder Links: TAS5802 |
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