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TAS5731M Datasheet Preview

TAS5731M Datasheet

2 × 30-W Digital Audio Power Amplifier

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TAS5731M
SLOS838C – JULY 2013 – REVISED AUGUST 2015
TAS5731M 2 × 30-W Digital Audio Power Amplifier With DSP and 2.1 Mode
1 Features
1 2-Ch I2S Input; 8-kHz to 48-kHz fS
• 30-W Stereo, 8 Ω/24 V (THD+N = 10%)
• Up to 90% Efficient Operation
• Wide 8-V to- 24-V Supply Range; 3.3-V Digital
Supply
• Single-Device 2.1 Support (2 × SE + 1 × BTL)
• 80-mΩ RDS(on) Device That Can Support 2-Ω SE
and 4-Ω BTL Modes
– 12 V, 2 Ω, 8 W With SE mode
– 12 V, 4 Ω, 15 W With BTL mode
• Speaker EQ (8 BQ per Channel), 2× DRCs
• Pin-to-Pin Compatible With the TAS5727 and
TAS5731
• Benefits:
– Direct Connect to Digital Processor
– High Output Power From a Standard Supply
– Eliminates the Need for Heat Sink
– Advanced Processing Improves Audio
Experience
2 Applications
• LCD TV
• LED TV
• Sound Bar
space
Power vs Supply Voltage (2.0 BTL Mode)
40
2.0 BTL Mode
35
RL = 8Ÿ
TA = 25ƒC
3 Description
The TAS5731M is a 30-W, efficient, digital-audio
stereo power amplifier for driving stereo bridge-tied
speakers. One serial data input allows processing of
up to two discrete audio channels and seamless
integration to most digital audio processors and
MPEG decoders. The device accepts a wide range of
input data and data rates. A fully programmable data
path routes these channels to the internal speaker
drivers.
The TAS5731M is a slave-only device receiving all
clocks from external sources. The TAS5731M
operates with a PWM carrier between a 384-kHz
switching rate and a 352-kHz switching rate,
depending on the input sample rate. Oversampling
combined with a fourth-order noise shaper provides a
flat noise floor and excellent dynamic range from
20 Hz to 20 kHz.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TAS5731M
HTQFP (48)
7.00 mm × 7.00 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Power vs Supply Voltage (PBTL Mode)
80
PBTL Mode
70
RL = 4Ÿ
TA = 25ƒC
30 60
25 50
20 40
15 30
10
5
0
8
2 Layer Continuous Power
4 Layer Continuous Power
Instantaneous Power
10 12 14 16 18 20 22 24
Supply Voltage (V)
C014
20
10
0
8
2 Layer Continuous Power
4 Layer Continuous Power
Instantaneous Power
10 12 14 16 18 20 22 24
Supply Voltage (V)
C039
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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TAS5731M Datasheet Preview

TAS5731M Datasheet

2 × 30-W Digital Audio Power Amplifier

No Preview Available !

TAS5731M
SLOS838C – JULY 2013 – REVISED AUGUST 2015
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
7 Specifications......................................................... 6
7.1 Absolute Maximum Ratings ...................................... 6
7.2 ESD Ratings.............................................................. 6
7.3 Recommended Operating Conditions....................... 7
7.4 Thermal Information .................................................. 7
7.5 PWM Operation at Recommended Operating
Conditions .................................................................. 7
7.6 DC Electrical Characteristics .................................... 8
7.7 AC Electrical Characteristics (BTL, PBTL)................ 9
7.8 Electrical Characteristics - PLL External Filter
Components............................................................... 9
7.9 Electrical Characteristic - I2C Serial Control Port
Operation ................................................................... 9
7.10 Timing Requirements - PLL Input Parameters ..... 10
7.11 Timing Requirements - Serial Audio Ports Slave
Mode ........................................................................ 10
7.12 Timing Requirements - I2C Serial Control Port
Operation ................................................................ 10
7.13 Timing Requirements - Reset (RESET)................ 10
7.14 Typical Characteristics .......................................... 13
8 Parameter Measurement Information ................ 21
9 Detailed Description ............................................ 21
9.1 Overview ................................................................. 21
9.2 Functional Block Diagrams ..................................... 21
9.3 Feature Description................................................. 24
9.4 Device Functional Modes........................................ 34
9.5 Programming........................................................... 36
9.6 Register Maps ......................................................... 41
10 Application and Implementation........................ 59
10.1 Application Information.......................................... 59
10.2 Typical Applications .............................................. 59
11 Power Supply Recommendations ..................... 69
11.1 DVDD and AVDD Supplies ................................... 69
11.2 PVDD Power Supply ............................................. 69
12 Layout................................................................... 69
12.1 Layout Guidelines ................................................. 69
12.2 Layout Examples................................................... 70
13 Device and Documentation Support ................. 73
13.1 Device Support .................................................... 73
13.2 Documentation Support ....................................... 73
13.3 Community Resources.......................................... 73
13.4 Trademarks ........................................................... 73
13.5 Electrostatic Discharge Caution ............................ 73
13.6 Glossary ................................................................ 73
14 Mechanical, Packaging, and Orderable
Information ........................................................... 73
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision B (November 2013) to Revision C
Page
• Added Pin Configuration and Functions section, ESD Ratings table, Feature Description section, Device Functional
Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device
and Documentation Support section, and Mechanical, Packaging, and Orderable Information section .............................. 1
Changes from Revision A (November 2013) to Revision B
Page
• Changed "2 × 20-W" to "2 × 30-W" in the Title, Features, and Description ........................................................................... 1
2 Submit Documentation Feedback
Product Folder Links: TAS5731M
Copyright © 2013–2015, Texas Instruments Incorporated


Part Number TAS5731M
Description 2 × 30-W Digital Audio Power Amplifier
Maker etcTI
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