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TAS5782M Datasheet Preview

TAS5782M Datasheet

30W Stereo Class-D Amplifier

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TAS5782M
SLASEG8A – MARCH 2016 – REVISED JULY 2017
TAS5782M 30 W Stereo Class-D Amplifier with 96-kHz Processing
1 Features
1 Flexible Audio I/O Configuration
– Supports I2S, TDM, LJ, RJ Digital Input
– Sample Rate Support
– BD Amplifier Modulation
– Supports 3-Wire Digital Audio Interface (No
MCLK required)
• High-Performance Closed-Loop Architecture
(PVDD = 12 V, RSPK = 8 Ω, SPK_GAIN = 20 dB)
– Closed-Loop = reduced component count/
smaller solution size
– Idle Channel Noise = 62 µVrms (A-Wtd)
– THD+N = 0.2% (at 1 W, 1 kHz)
– SNR = 103dB A-Wtd (Ref. to THD+N = 1%)
• Flexible Processing Features
– 15 BiQuads / SmartEQ
– 2 x 5 BiQuads for X-Over / EQ
– 3-Band Advanced DRC + AGL
– Dynamic EQ and SmartBass
– Sound Field Spatializer (SFS)
– 96-kHz Processor Sampling
• Communication Features
– Software Mode Control via I2C Port
– Two Address Select Pins – Up to 4 Devices
• Robustness and Reliability Features
– Clock Error , DC, and Short-Circuit Protection
– Overtemperature and Overcurrent Protection
SPACE
Simplified Block Diagram
TAS5782M
System
PP
Control and
Status
Digital Audio
I2C
P CDSP
DAC
Power
Bridge
CH1
CH2
Copyright © 2017, Texas Instruments Incorporated
2 Applications
• LCD, LED TV, and Multi-Purpose Monitors
• Sound Bars, Docking Stations, and PC Audio
• Wireless Subwoofers, Bluetooth Speakers, and
Active Speakers
3 Description
The TAS5782M device is a high-performance, stereo
closed-loop Class-D amplifier with integrated audio
processor with up to 96-kHz architecture. To convert
from digital to analog, the device uses a high
performance DAC with Burr Brown™ audio
technology. It requires only two power supplies: one
DVDD for low-voltage circuitry and one PVDD for
high-voltage circuitry. It is controlled by a software
control port using standard I2C communication.
An optimal mix of thermal performance and device
cost is provided in the 90 mΩ rDS(on) of the output
MOSFETs. Additionally, a thermally enhanced 48-Pin
TSSOP provides excellent operation in the elevated
ambient temperatures found in modern consumer
electronic devices.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TAS5782M
TSSOP (48)
12.50 mm × 6.10 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Power at 10% THD+N vs PVDD (1)
80
8 : Load Peak
6 : Load Peak
4 : Load Peak
60 6 : Load Continous
4 : Load Continous
40
20
0
5 10 15
Supply Voltage (V)
(1) Tested on TAS5782MEVM Board.
20
24
D002
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.




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TAS5782M Datasheet Preview

TAS5782M Datasheet

30W Stereo Class-D Amplifier

No Preview Available !

TAS5782M
SLASEG8A – MARCH 2016 – REVISED JULY 2017
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Device Comparison Table..................................... 3
6 Pin Configuration and Functions ......................... 4
6.1 Internal Pin Configurations........................................ 6
7 Specifications......................................................... 9
7.1 Absolute Maximum Ratings ...................................... 9
7.2 ESD Ratings.............................................................. 9
7.3 Recommended Operating Conditions..................... 10
7.4 Thermal Information ................................................ 10
7.5 Electrical Characteristics......................................... 11
7.6 Power Dissipation Characteristics .......................... 15
7.7 MCLK Timing ......................................................... 20
7.8 Serial Audio Port Timing – Slave Mode .................. 20
7.9 Serial Audio Port Timing – Master Mode ................ 21
7.10 I2C Bus Timing – Standard ................................... 21
7.11 I2C Bus Timing – Fast........................................... 21
7.12 SPK_MUTE Timing .............................................. 22
7.13 Typical Characteristics .......................................... 24
8 Parametric Measurement Information ............... 33
9 Detailed Description ............................................ 34
9.1 Overview ................................................................. 34
9.2 Functional Block Diagram ....................................... 34
9.3 Feature Description................................................. 35
9.4 Device Functional Modes........................................ 56
10 Application and Implementation........................ 59
10.1 Application Information.......................................... 59
10.2 Typical Applications ............................................. 61
11 Power Supply Recommendations ..................... 70
11.1 Power Supplies ..................................................... 70
12 Layout................................................................... 72
12.1 Layout Guidelines ................................................. 72
12.2 Layout Example .................................................... 74
13 Register Maps...................................................... 80
13.1 Registers - Page 0 ................................................ 80
13.2 Registers - Page 1 .............................................. 116
14 Device and Documentation Support ............... 120
14.1 Device Support.................................................... 120
14.2 Receiving Notification of Documentation
Updates.................................................................. 120
14.3 Community Resources........................................ 121
14.4 Trademarks ......................................................... 121
14.5 Electrostatic Discharge Caution .......................... 121
14.6 Glossary .............................................................. 121
15 Mechanical, Packaging, and Orderable
Information ......................................................... 121
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Original (March 2017) to Revision A
Page
• Added missing cross references to the Quick Reference Table .......................................................................................... 24
• Changed Changed the Volume Ramp Up/Down Step default value to 11 .......................................................................... 50
• Changed 5th bit of the I2C Slave Address table .................................................................................................................. 54
• Added DSP Book, Page, and Register Update section ....................................................................................................... 56
• Deleted Page 0 Registers 0x0A, 0x50, 0x51, 0x52, and 0x54............................................................................................. 80
• Changed the PLLE bit type of Register 4 from R to R/W..................................................................................................... 81
• Changed Bit configuration of Register 0x14......................................................................................................................... 88
• Changed PJDV bit in Register 21 from 5-4 to 5-0................................................................................................................ 89
• Changed Reset value of Register 0x3D to '00110000'......................................................................................................... 98
• Changed Bit configuration of Register 0x5D ...................................................................................................................... 112
• Deleted Page 1 Registers 0x05 and 0x08.......................................................................................................................... 116
2 Submit Documentation Feedback
Product Folder Links: TAS5782M
Copyright © 2016–2017, Texas Instruments Incorporated


Part Number TAS5782M
Description 30W Stereo Class-D Amplifier
Maker etcTI
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