SLASEC1B
March 2016 – May 2018
TAS5751M
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Power vs PVDD
Simplified Block Diagram
4
Revision History
5
Pin Configuration and Functions
Pin Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Characteristics
6.5
Electrical Characteristics
6.6
Speaker Amplifier Characteristics
6.7
Protection Characteristics
6.8
Master Clock Characteristics
6.9
I²C Interface Timing Requirements
6.10
Serial Audio Port Timing Requirements
6.11
Typical Characteristics
6.11.1
Typical Characteristics - Stereo BTL Mode
6.11.2
Typical Characteristics - Mono PBTL Mode
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Audio Signal Processing Overview
7.4
Feature Description
7.4.1
Clock, Autodetection, and PLL
7.4.2
PWM Section
7.4.3
PWM Level Meter
7.4.4
Automatic Gain Limiter (AGL)
7.4.5
Headphone/Line Amplifier
7.4.6
Fault Indication
7.4.7
SSTIMER Pin Functionality
7.4.8
Device Protection System
7.4.8.1
Overcurrent (OC) Protection With Current Limiting
7.4.8.2
Overtemperature Protection
7.4.8.3
Undervoltage Protection (UVP) and Power-On Reset (POR)
7.5
Device Functional Modes
7.5.1
Serial Audio Port Operating Modes
7.5.2
Communication Port Operating Modes
7.5.3
Speaker Amplifier Modes
7.5.3.1
Stereo Mode
7.5.3.2
Mono Mode
7.6
Programming
7.6.1
I²C Serial Control Interface
7.6.1.1
General I²C Operation
7.6.1.2
I²C Slave Address
7.6.1.2.1
I²C Device Address Change Procedure
7.6.1.3
Single- and Multiple-Byte Transfers
7.6.1.4
Single-Byte Write
7.6.1.5
Multiple-Byte Write
7.6.1.6
Single-Byte Read
7.6.1.7
Multiple-Byte Read
7.6.2
Serial Interface Control and Timing
7.6.2.1
Serial Data Interface
7.6.2.2
I²S Timing
7.6.2.3
Left-Justified
7.6.2.4
Right-Justified
7.6.3
26-Bit 3.23 Number Format
7.7
Register Maps
7.7.1
Register Summary
7.7.2
Detailed Register Descriptions
7.7.2.1
Clock Control Register (0x00)
7.7.2.2
Device ID Register (0x01)
7.7.2.3
Error Status Register (0x02)
7.7.2.4
System Control Register 1 (0x03)
7.7.2.5
Serial Data Interface Register (0x04)
7.7.2.6
System Control Register 2 (0x05)
7.7.2.7
Soft Mute Register (0x06)
7.7.2.8
Volume Registers (0x07, 0x08, 0x09)
7.7.2.9
Volume Configuration Register (0x0E)
7.7.2.10
Modulation Limit Register (0x10)
7.7.2.11
Interchannel Delay Registers (0x11, 0x12, 0x13, and 0x14)
7.7.2.12
PWM Shutdown Group Register (0x19)
7.7.2.13
Start/Stop Period Register (0x1A)
7.7.2.14
Oscillator Trim Register (0x1B)
7.7.2.15
BKND_ERR Register (0x1C)
7.7.2.16
Input Multiplexer Register (0x20)
7.7.2.17
PWM Output MUX Register (0x25)
7.7.2.18
AGL Control Register (0x46)
7.7.2.19
PWM Switching Rate Control Register (0x4F)
7.7.2.20
Bank Switch and EQ Control (0x50)
8
Application and Implementation
8.1
Application Information
8.1.1
External Component Selection Criteria
8.1.1.1
Component Selection Impact on Board Layout, Component Placement, and Trace Routing
8.1.1.2
Amplifier Output Filtering
8.2
Typical Applications
8.2.1
Stereo Bridge Tied Load Application
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Component Selection and Hardware Connections
8.2.1.2.2
Control and Software Integration
8.2.1.2.3
I²C Pullup Resistors
8.2.1.2.4
Digital I/O Connectivity
8.2.1.2.5
Recommended Startup and Shutdown Procedures
8.2.1.2.5.1
Start-Up Sequence
8.2.1.2.5.2
Normal Operation
8.2.1.2.5.3
Shutdown Sequence
8.2.1.2.5.4
Power-Down Sequence
8.2.1.3
Application Performance Plots
8.2.2
Mono Parallel Bridge Tied Load Application
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.2.2.3
Application Performance Plots
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.1.1
Decoupling Capacitors
10.1.2
Thermal Performance and Grounding
10.2
Layout Example
11
Device and Documentation Support
11.1
Trademarks
11.2
Electrostatic Discharge Caution
11.3
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DCA|48
MPDS044E
Thermal pad, mechanical data (Package|Pins)
DCA|48
PPTD094K
Orderable Information
slasec1b_oa
slasec1b_pm
1
Features
Audio Input/Output
One-Stereo Serial Audio Input
Supports 44.1-kHz and 48-kHz Sample Rates (LJ/RJ/I²S)
Supports 3-Wire I²S Mode (no MCLK required)
Automatic Audio Port Rate Detection
Supports BTL and PBTL Configuration
P
OUT
= 25 W at 10% THD+N
PVDD = 20 V, 8 Ω, 1 kHz
Audio/PWM Processing
Independent Channel Volume Controls With Gain of 24 dB to Mute in 0.125-dB Steps
Programmable Three-Band Automatic Gain Limiting (AGL)
20 Programmable Biquads for Speaker EQ and Other Audio-Processing Features
General Features
106-dB SNR, A-Weighted, Referenced to Full Scale (0 dB)
I²C Serial Control Interface w/ two Addresses
Thermal, Short-Circuit, and Undervoltage Protection
Up to 90% Efficient
AD, BD, and Ternary Modulation
PWM Level Meter