SLASFD7
April 2024
TAS2505A-Q1
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
I2S/LJF/RJF Timing in Master Mode
5.7
I2S/LJF/RJF Timing in Slave Mode
5.8
DSP Timing in Master Mode
5.9
DSP Timing in Slave Mode
5.10
I2C Interface Timing
5.11
SPI Interface Timing
5.12
Typical Characteristics
5.12.1
Class D Speaker Driver Performance
5.12.2
HP Driver Performance
6
Parameter Measurement Information
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Audio Analog I/O
7.3.2
Audio DAC and Audio Analog Outputs
7.3.3
DAC
7.3.4
POR
7.3.5
CLOCK Generation and PLL
7.3.6
Speaker Driver
7.3.7
Automotive Diagnostics
7.4
Device Functional Modes
7.4.1
Digital Pins
7.4.2
Analog Pins
7.4.3
Multifunction Pins
7.4.4
Analog Signals
7.4.4.1
Analog Inputs AINL and AINR
7.4.5
DAC Processing Blocks — Overview
7.4.6
Digital Mixing and Routing
7.4.7
Analog Audio Routing
7.4.8
5V LDO
7.4.9
Digital Audio and Control Interface
7.4.9.1
Digital Audio Interface
7.4.9.2
Control Interface
7.4.9.2.1
I2C Control Mode
7.4.9.2.2
SPI Digital Interface
7.4.9.3
Device Special Functions
7.5
Register Map
8
Register Map
9
Application and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
Typical Configuration
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.3
Application Curves
9.2.2
Circuit Configuration With Internal LDO
9.2.2.1
Design Requirements
9.3
Power Supply Recommendations
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Layout Example
9.4.3
Thermal Pad
10
Device and Documentation Support
10.1
Third-Party Products Disclaimer
10.2
Documentation Support
10.2.1
Related Documentation
10.3
Receiving Notification of Documentation Updates
10.4
Support Resources
10.5
Trademarks
10.6
Electrostatic Discharge Caution
10.7
Glossary
10.8
Community Resources
11
Revision History
12
Mechanical, Packaging, and Orderable Information
5.12.1
Class D Speaker Driver Performance
(4Ω Load)
Figure 5-7
DAC To Speaker Amplitude at 0dBFS vs Frequency
(SPKVDD = 5.5V)
Figure 5-9
Total Harmonic Distortion + Noise vs 4Ω Speaker Power
(SPKVDD = 5.5V)
Figure 5-11
Total Harmonic Distortion + Noise + NOISE vs 8Ω Speaker Power
(Gain = 18dB, Load = 4Ω)
Figure 5-13
Total Power Consumption vs Output Power Consumption
(4Ω Load)
Figure 5-8
AINL To Speaker FFT Amplitude at 0dBFS vs Frequency
(Gain = 18dB)
Figure 5-10
Total Harmonic Distortion + Noise + NOISE vs 4Ω Speaker Power
(Gain = 18dB)
Figure 5-12
Total Harmonic Distortion + Noise + NOISE vs 8Ω Speaker Power