SLOS989B
November 2017 – November 2019
TAS5720A-Q1
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Functional 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 Information
6.5
Digital I/O Pins
6.6
Master Clock
6.7
Serial Audio Port
6.8
Protection Circuitry
6.9
Speaker Amplifier in All Modes
6.10
Speaker Amplifier in All Modes
6.11
I²C Control Port
6.12
Typical Idle, Mute, Shutdown, Operational Power Consumption
6.13
Typical Characteristics (Mono Mode): fSPK_AMP = 384 kHz
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.2.1
Functional Block Diagram
8.3
Feature Description
8.3.1
Power Supplies
8.3.2
Speaker Amplifier Audio Signal Path
8.3.2.1
Serial Audio Port (SAP)
8.3.2.1.1
I²S Timing
8.3.2.1.2
Left-Justified
8.3.2.1.3
Right-Justified
8.3.2.2
DC Blocking Filter
8.3.2.3
Digital Boost and Volume Control
8.3.2.4
Digital Clipper
8.3.2.5
Closed-Loop Class-D Amplifier
8.3.3
Speaker Amplifier Protection Suite
8.3.3.1
Speaker Amplifier Fault Notification (SPK_FAULT Pin)
8.3.3.2
DC Detect Protection
8.4
Device Functional Modes
8.4.1
Hardware Control Mode
8.4.1.1
Speaker Amplifier Shut Down (SPK_SD Pin)
8.4.1.2
Serial Audio Port in Hardware Control Mode
8.4.1.3
Soft Clipper Control (SFT_CLIP Pin)
8.4.1.4
Speaker Amplifier Switching Frequency Select (FREQ/SDA Pin)
8.4.1.5
Hardware Control Mode Select (HW/SCL Pin)
8.4.1.6
Speaker Amplifier Sleep Enable (SPK_SLEEP/ADR Pin)
8.4.1.7
Speaker Amplifier Gain Select (SPK_GAIN [1:0] Pins)
8.4.1.8
Considerations for Setting the Speaker Amplifier Gain Structure
8.4.1.8.1
Recommendations for Setting the Speaker Amplifier Gain Structure in Hardware Control Mode
8.4.2
Software Control Mode
8.4.2.1
Speaker Amplifier Shut Down (SPK_SD Pin)
8.4.2.2
Serial Audio Port Controls
8.4.2.2.1
Serial Audio Port (SAP) Clocking
8.4.2.3
Channel Select via Software Control
8.4.2.4
Speaker Amplifier Gain Structure
8.4.2.4.1
Speaker Amplifier Gain in Software Control Mode
8.4.2.5
I²C Software Control Port
8.4.2.5.1
Setting the I²C Device Address
8.4.2.5.2
General Operation of the I²C Control Port
8.4.2.5.3
Writing to the I²C Control Port
8.4.2.5.4
Reading from the I²C Control Port
8.5
Register Maps
8.5.1
Control Port Registers - Quick Reference
8.5.2
Control Port Registers - Detailed Description
8.5.2.1
Device Identification Register (0x00)
Table 9.
Device Identification Register Field Descriptions
8.5.2.2
Power Control Register (0x01)
Table 10.
Power Control Register Field Descriptions
8.5.2.3
Digital Control Register (0x02)
Table 11.
Digital Control Register Field Descriptions
8.5.2.4
Volume Control Configuration Register (0x03)
Table 12.
Volume Control Configuration Register Field Descriptions
8.5.2.5
Left Channel Volume Control Register (0x04)
Table 13.
Left Channel Volume Control Register Field Descriptions
8.5.2.6
Right Channel Volume Control Register (0x05)
Table 14.
Right Channel Volume Control Register Field Descriptions
8.5.2.7
Analog Control Register (0x06)
Table 15.
Analog Control Register Field Descriptions
8.5.2.8
Reserved Register (0x07)
8.5.2.9
Fault Configuration and Error Status Register (0x08)
Table 16.
Fault Configuration and Error Status Register Field Descriptions
8.5.2.10
Reserved Controls (9 / 0x09) - (15 / 0x0F)
8.5.2.11
Digital Clipper Control 2 Register (0x10)
Table 17.
Digital Clipper Control 2 Register Field Descriptions
8.5.2.12
Digital Clipper Control 1 Register (0x11)
Table 18.
Digital Clipper Control 1 Register Field Descriptions
9
Application and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
Mono Output Using Software Control
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.2.1
Startup Procedures- Software Control Mode
9.2.1.2.2
Shutdown Procedures- Software Control Mode
9.2.1.2.3
Component Selection and Hardware Connections
9.2.1.2.3.1
I²C Pull-Up Resistors
9.2.1.2.3.2
Digital I/O Connectivity
9.2.2
Mono Output Using Hardware Control
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.2.1
Startup Procedures- Hardware Control Mode
9.2.2.2.2
Shutdown Procedures- Hardware Control Mode
9.2.2.2.3
Digital I/O Connectivity
9.2.2.3
Application Curves
10
Power Supply Recommendations
10.1
DVDD Supply
10.2
PVDD Supply
11
Layout
11.1
Layout Guidelines
11.1.1
General Guidelines for Audio Amplifiers
11.1.2
Importance of PVDD Bypass Capacitor Placement on PVDD Network
11.1.3
Optimizing Thermal Performance
11.1.3.1
Device, Copper, and Component Layout
11.1.3.2
Stencil Pattern
11.1.3.2.1
PCB Footprint and Via Arrangement
11.1.3.2.1.1
Solder Stencil
11.2
Layout Example
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
12.2
Support Resources
12.3
Trademarks
12.4
Electrostatic Discharge Caution
12.5
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DAP|32
MPDS380A
Thermal pad, mechanical data (Package|Pins)
DAP|32
PPTD231B
Orderable Information
slos989b_oa
slos989b_pm
1
Features
Qualified for automotive applications
Temperature grade 1: –40°C to +125°C
Minimum supply voltage down to 4.5 V
Selectable hardware or software control
Audio performance (PVDD = 12 V, R
SPK
= 8 Ω, SPK_GAIN[1:0] pins = 00)
Idle channel noise = 69 µVrms (A-Wtd)
THD+N = 0.02% (at 1 W, 1 kHz)
SNR = 100 dB A-Wtd (Ref. to THD+N = 1%)
Audio I/O configuration:
Mono I²S input
32, 44.1, 48, 88.2, 96 kHz Sample rates
General operational features:
Integrated digital output clipper
Programmable I²C address (1101100[
R/
W
] or 1101101[
R/
W
])
Closed-loop amplifier architecture
Robustness features:
Clock error, DC, and short-circuit protection
Overtemperature and programmable overcurrent protection