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TAS5802PWPR 数据表(PDF) 21 Page - Texas Instruments

部件名 TAS5802PWPR
功能描述  TAS5802 22W Stereo, Inductor-Less, Digital Input, Closed-Loop Class-D Audio Amplifier with 96Khz Extended Processing and Low Idle Power Dissipation
PDF  106 Pages
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制造商  TI2 [Texas Instruments]
网页  https://www.ti.com
标志 TI2 - Texas Instruments

TAS5802PWPR 数据表(HTML) 21 Page - Texas Instruments

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6 Detailed Description
6.1 Overview
The TAS5802 device integrates 4 main building blocks into a single cohesive device that maximizes sound
quality, flexibility, and ease of use. The 4 main building blocks are listed as follows:
• A stereo audio DAC.
• An Audio DSP subsystem.
• A flexible close-loop amplifier capable of operating in stereo or mono, at several different switching
frequencies, and with a variety of output voltages and loads.
• An I2C control port for communication with the device
The device requires only two power supplies for proper operation. A DVDD supply is required to power the
low-voltage digital circuitry. Another supply, called PVDD, is required to provide power to the output stage of the
audio amplifier. One internal LDO convert PVDD to 5 V for GVDD and AVDD.
TAS5802 implements a dynamic range boost to minimize the idle channel noise, while maintaining the same
dynamic range.
6.2 Functional Block Diagram
Serial
Audio
Port
SCLK
LRCLK
SDIN
uCDSP
Process Flow
DAC
DAC
I->V
I->V
Analog
To
PWM
Modulator
Gate
Driver
Gate
Driver
Full
Bridge
Power
Stage A
Full
Bridge
Power
Stage B
Output
Current
Protectio
n
Out_A+
Out_A-
Out_B+
Out_B-
Error Reporting
Die Temperature Monitoring
UV/OV/OT Protection
Clock Monitoring
Internal Control Registers and State Machines
SDOUT
SDOUT
PDN
ADR/FAULT
SCL
SDA
1.5V Regulator
(For Digital Core)
VR_DIG
DVDD
AVDD
5V Regulator
(For Analog
and Gate Driver
PVDD
PVDD
Digital Part
Signal Chain
Power Stage
GVDD
www.ti.com
TAS5802
SLASFB7A – NOVEMBER 2024 – REVISED AUGUST 2025
Copyright © 2025 Texas Instruments Incorporated
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Product Folder Links: TAS5802



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