SLASFC6A
August 2024 – August 2025
TAS2120
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Timing Requirements
5.7
Timing Diagrams
5.8
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Device Functional Modes
6.3.1
Operational Modes
6.3.1.1
Hardware Shutdown
6.3.1.2
Hardware Config Modes
6.3.1.3
Software Power Modes Control and Software Reset
6.3.1.4
Efficiency and power saving modes
6.3.1.4.1
Noise Gate
6.3.1.4.2
Music Efficiency Mode
6.3.1.4.3
VDD Y-bridge
6.3.1.4.4
Class-H Boost
6.3.1.5
2S Battery Mode
6.3.1.6
External PVDD Mode
6.3.2
Faults and Status
6.3.2.1
Interrupt generation and clearing
6.4
Feature Description
6.4.1
PurePath™ Console 3 Software
6.4.2
Playback Signal Path
6.4.2.1
Digital Volume Control and Amplifier Output Level
6.4.2.2
High Pass Filter
6.4.2.3
Class-D Amplifier
6.4.2.4
Supply Tracking Limiters with Brown Out Prevention
6.4.2.4.1
Voltage Limiter and Clipping protection
6.4.2.5
Tone Generator
6.4.3
Digital Audio Serial Interface
6.4.3.1
Digital Loopback
6.4.4
Internal Boost
6.4.5
Boost Share
6.4.6
External Class-H Boost Controller
6.4.7
Supply Voltage Monitors
6.4.8
Thermal Protection
6.4.9
Clocks and PLL
6.4.9.1
Auto clock based wakeup and clock errors
6.4.10
Digital IO pins
6.5
Programming
6.5.1
I2C Control Interface
6.5.2
I2C Address Selection
6.5.3
General I2C Operation
6.5.4
I2C Single-Byte and Multiple-Byte Transfers
6.5.5
I2C Single-Byte Write
6.5.6
I2C Multiple-Byte Write
6.5.7
I2C Single-Byte Read
6.5.8
I2C Multiple-Byte Read
7
Register Maps
7.1
PAGE 0 Registers
7.2
PAGE 1 Registers
7.3
PAGE 2 Registers
7.4
PAGE 3 Registers
7.5
PAGE 4 Registers
7.6
PAGE 5 Registers
7.7
PAGE 6 Registers
7.8
PAGE 7 Registers
7.9
PAGE 8 Registers
7.10
BOOK100 PAGE9 Registers
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Mono/Stereo Configuration
8.2.2.2
Boost Converter Passive Devices
8.2.2.3
EMI Passive Devices
8.2.2.4
Miscellaneous Passive Devices
8.2.3
Application Performance Plots
8.3
What to Do and What Not to Do
8.4
Power Supply Recommendations
8.5
Layout
8.5.1
Layout Guidelines
8.5.2
Layout Example
9
Device and Documentation Support
9.1
Documentation Support
9.1.1
Related Documentation
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RBG|26
MPQF809
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slasfc6a_oa
slasfc6a_pm
1
Features
Powerful Class-D amplifier
8.2W output power (rms) @1% THD+N
14.75V boost with 5.1A max current limit
Best-in-class efficiency
Up to 91% efficiency @ 1W, 8Ω load
14.7mW idle channel power, noise gate off
5.3mW idle channel power, noise gate on
Integrated 1.8V VDD Y-bridge
Advanced 33mV step size class-H boost
High performance audio channel
4.2µV A-wt. idle channel noise
114.4dB Dynamic Range
-90dB THD+N
Low EMI performance with ERC and SSM
< 1µs chip to chip group delay matching
Advanced integrated features
Signal detection high efficiency modes
High accuracy supply voltage monitor & temp sensor
Programmable battery current limit at 39mA step size
Boost sharing between two devices
External Class-H Boost control algorithm
Ease of use features
HW pin control or I
2
C based control
Internal boost or External PVDD supply
Clock based power up/down
Auto clock rate detection: 16 to 192kHz
MCLK free operation
Thermal and over current protection
Power Supplies and user interface
VBAT: 2.5V to 5.5V
VBAT_SNS: 2.5V to 10.0V
VDD: 1.65V to 1.95V
IOVDD: 1.8V or 3.3V
I
2
S/TDM: 8 channels
26-Pin, 0.4mm Pitch, QFN package