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TAS5727 Datasheet Preview

TAS5727 Datasheet

25-W Digital Audio Power Amplifier

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TAS5727
SLOS670B – NOVEMBER 2010 – REVISED DECEMBER 2016
TAS5727 25-W Digital Audio Power Amplifier With EQ and DRC
1 Features
1 Audio Input and Output
– 25 W Into an 8-Load From a 20-V Supply
– Wide PVDD Range, From 8 V to 26 V
– Supports BTL Configuration With 4-Load
– Efficient Class-D Operation Eliminates Need
for Heatsinks
– One Serial Audio Input (Two Audio Channels)
– I2C Address Selection Pin (Chip Select)
– Single Output Filter PBTL Support
– Supports 44.1-kHz to 48-kHz Sample Rate
(LJ/RJ/I2S)
• Audio and PWM Processing
– Independent Channel Volume Controls With
Gain of 24 dB to Mute With 0.125-dB
Resolution Steps
– Programmable Two-Band Dynamic-Range
Control
– 18 Programmable Biquads for Speaker EQ
and Other Audio-Processing Features
– Programmable Coefficients for DRC Filters
– DC Blocking Filters
• General Features
– I2C Serial Control Interface Operational
Without MCLK
– Requires Only 3.3 V and PVDD
– No External Oscillator: Internal Oscillator for
Automatic Rate Detection
– Surface-Mount, 48-Pin HTQFP Package
– Thermal and Short-Circuit Protection
– 106-dB SNR, A-Weighted
– AD, BD, and Ternary Modulation
– Up to 90% Efficient
– PWM Level Meter to Measure the Digital
Power Profile
• Benefits
– EQ: Speaker Equalization Improves Audio
Performance
– Two-Band DRC: Dynamic Range
Compression. Can Be Used As Power Limiter.
Enables Speaker Protection, Easy Listening,
Night-Mode Listening
– Autodetect: Automatically Detects Sample-
Rate Changes. No Need for External
Microprocessor Intervention
2 Applications
• LCD TV, LED TV, Soundbar
3 Description
The TAS5727 is a 25-W, efficient, digital-audio 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.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TAS5727
HTQFP (48)
7.00 mm × 7.00 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Functional View
SDIN
Serial
Audio
Port
Digital Audio Processor
(DAP)
S
R
C
MCLK
SCLK
LRCLK
Sample Rate
Autodetect
and PLL
SDA
SCL
Serial
Control
Terminal Control
Microcontroller
Based
System
Control
Click and Pop
Control
4th
Order
Noise
Shaper
and
PWM
2´ HB
FET Out
OUT_A
OUT_B
2´ HB
FET Out
OUT_C
OUT_D
Protection
Logic
B0262-06
Copyright © 2016 Texas Instruments Incorporated
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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TAS5727 Datasheet Preview

TAS5727 Datasheet

25-W Digital Audio Power Amplifier

No Preview Available !

TAS5727
SLOS670B – NOVEMBER 2010 – REVISED DECEMBER 2016
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Description (continued)......................................... 3
6 Device Comparison Table..................................... 3
7 Pin Configuration and Functions ......................... 4
8 Specifications......................................................... 6
8.1 Absolute Maximum Ratings ...................................... 6
8.2 ESD Ratings.............................................................. 6
8.3 Recommended Operating Conditions....................... 6
8.4 Thermal Information .................................................. 7
8.5 DC Electrical Characteristics .................................... 7
8.6 AC Electrical Characteristics (BTL, PBTL)................ 8
8.7 PLL Input Parameters and External Filter
Components............................................................... 8
8.8 Serial Audio Ports Slave Mode ................................. 8
8.9 I2C Serial Control Port Operation.............................. 9
8.10 Reset Timing (RESET) ........................................... 9
8.11 Typical Characteristics .......................................... 11
9 Parameter Measurement Information ................ 12
10 Detailed Description ........................................... 13
10.1 Overview ............................................................... 13
10.2 Functional Block Diagrams ................................... 13
10.3 Feature Description............................................... 15
10.4 Device Functional Modes...................................... 28
10.5 Programming ........................................................ 29
10.6 Register Maps ...................................................... 31
11 Application and Implementation........................ 54
11.1 Application Information.......................................... 54
11.2 Typical Applications .............................................. 54
12 Power Supply Recommendations ..................... 59
12.1 DVDD and AVDD Supplies ................................... 59
12.2 PVDD Power Supply ............................................. 59
13 Layout................................................................... 60
13.1 Layout Guidelines ................................................. 60
13.2 Layout Example .................................................... 60
14 Device and Documentation Support ................. 61
14.1 Device Support...................................................... 61
14.2 Documentation Support ........................................ 61
14.3 Receiving Notification of Documentation Updates 61
14.4 Community Resources.......................................... 61
14.5 Trademarks ........................................................... 61
14.6 Electrostatic Discharge Caution ............................ 61
14.7 Glossary ................................................................ 61
15 Mechanical, Packaging, and Orderable
Information ........................................................... 61
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision A (May 2016) to Revision B
Page
• Added Note 1 to PVDD_x in the Recommended Operating Conditions table ....................................................................... 6
Changes from Original (November 2010) to Revision A
Page
• Added 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
• Changed Section: Overcurrent (OC) Protection With Current Limiting ................................................................................ 16
• Changed Section: Overcurrent (OC) Protection With Current Limiting and Overload Detection ......................................... 16
2 Submit Documentation Feedback
Product Folder Links: TAS5727
Copyright © 2010–2016, Texas Instruments Incorporated


Part Number TAS5727
Description 25-W Digital Audio Power Amplifier
Maker etcTI
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