SLASFM6 October   2026 TAS2573

ADVANCE INFORMATION  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Timing Requirements
    7. 5.7 Timing Diagrams
    8. 5.8 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Device Functional Modes
      1. 6.3.1 Operational Modes
        1. 6.3.1.1 Hardware Shutdown
        2. 6.3.1.2 Software Power Modes Control and Software Reset
        3. 6.3.1.3 Efficiency and power saving modes
          1. 6.3.1.3.1 Noise Gate
          2. 6.3.1.3.2 Music Efficiency Mode
          3. 6.3.1.3.3 VDD Y-bridge
          4. 6.3.1.3.4 Class-H Boost
        4. 6.3.1.4 2S Battery Mode
        5. 6.3.1.5 Low voltage battery mode
        6. 6.3.1.6 External PVDD Mode
      2. 6.3.2 Faults and Status
        1. 6.3.2.1 Interrupt generation and clearing
    4. 6.4 Feature Description
      1. 6.4.1 PurePath™ Console 3 Software
      2. 6.4.2 Playback Signal Path
        1. 6.4.2.1 Digital Signal Processor
          1. 6.4.2.1.1 Algorithm Blocks
          2. 6.4.2.1.2 Algorithm Features
          3. 6.4.2.1.3 Factory Calibration
        2. 6.4.2.2 Digital Volume Control and Amplifier Output Level
        3. 6.4.2.3 High Pass Filter
        4. 6.4.2.4 Class-D Amplifier
        5. 6.4.2.5 Supply Tracking Limiters with Brown Out Prevention
          1. 6.4.2.5.1 Voltage Limiter and Clipping protection
        6. 6.4.2.6 Tone Generator
      3. 6.4.3 Digital Audio Serial Interface
      4. 6.4.4 Boost
      5. 6.4.5 Speaker current and voltage (IV) sensing
      6. 6.4.6 Supply Voltage Monitors
      7. 6.4.7 Thermal Protection
      8. 6.4.8 Clocks and PLL
        1. 6.4.8.1 Auto clock based wakeup and clock errors
      9. 6.4.9 Digital IO pins
    5. 6.5 Programming
      1. 6.5.1 I2C Control Interface
      2. 6.5.2 I2C Address Selection
      3. 6.5.3 General I2C Operation
      4. 6.5.4 I2C Single-Byte and Multiple-Byte Transfers
      5. 6.5.5 I2C Single-Byte Write
      6. 6.5.6 I2C Multiple-Byte Write
      7. 6.5.7 I2C Single-Byte Read
      8. 6.5.8 I2C Multiple-Byte Read
  8. 7 Register Maps
    1. 7.1 PAGE_0 Registers
    2. 7.2 PAGE_1 Registers
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Mono/Stereo Configuration
        2. 8.2.2.2 Boost Converter Passive Devices
        3. 8.2.2.3 EMI Passive Devices
        4. 8.2.2.4 Miscellaneous Passive Devices
      3. 8.2.3 Application Performance Plots
      4. 8.2.4 What to Do and What Not to Do
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Revision History
  11. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 Support Resources
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
  12. 11Mechanical, Packaging, and Orderable Information
    1. 11.1 Package Option Addendum
    2. 11.2 Tape and Reel Information

5.6 Timing Requirements

TA = 25 °C, VDD = IOVDD = 1.8 V (unless other wise noted)
MIN NOM MAX UNIT
I2C - Standard-Mode
fSCL SCL clock frequency 0 100 kHz
tHD;STA Hold time (repeated) START condition. After this period, the first clock pulse is generated. 4 μs
tLOW LOW period of the SCL clock 4.7 μs
tHIGH HIGH period of the SCL clock 4 μs
tSU;STA Setup time for a repeated START condition 4.7 μs
tHD;DAT Data hold time: For I2C bus devices 0 3.45 μs
tSU;DAT Data set-up time 250 ns
tr SDA and SCL rise time 1000 ns
tf SDA and SCL fall time 300 ns
tSU;STO Set-up time for STOP condition 4 μs
tBUF Bus free time between a STOP and START condition 4.7 μs
Cb Capacitive load for each bus line 400 pF
I2C - Fast-Mode
fSCL SCL clock frequency 0 400 kHz
tHD;STA Hold time (repeated) START condition. After this period, the first clock pulse is generated. 0.6 μs
tLOW LOW period of the SCL clock 1.3 μs
tHIGH HIGH period of the SCL clock 0.6 μs
tSU;STA Setup time for a repeated START condition 0.6 μs
tHD;DAT Data hold time: For I2C bus devices 0 0.9 μs
tSU;DAT Data set-up time 100 ns
tr SDA and SCL rise time 20 + 0.1 × Cb 300 ns
tf SDA and SCL fall time 20 + 0.1 × Cb 300 ns
tSU;STO Set-up time for STOP condition 0.6 μs
tBUF Bus free time between a STOP and START condition 1.3 μs
Cb Capacitive load for each bus line 400 pF
I2C - Fast-Mode Plus
fSCL SCL clock frequency 0 1000 kHz
tHD;STA Hold time (repeated) START condition. After this period, the first clock pulse is generated. 0.26 μs
tLOW LOW period of the SCL clock 0.5 μs
tHIGH HIGH period of the SCL clock 0.26 μs
tSU;STA Setup time for a repeated START condition 0.26 μs
tHD;DAT Data hold time: For I2C bus devices 0 μs
tSU;DAT Data set-up time 50 ns
tr SDA and SCL Rise Time 120 ns
tf SDA and SCL Fall Time 120 ns
tSU;STO Set-up time for STOP condition 0.26 μs
tBUF Bus free time between a STOP and START condition 0.5 μs
Cb Capacitive load for each bus line 550 pF
TDM Port
fsbclk SBCLK Frequency range 0.384 24.576 MHz
tH(SBCLK) SBCLK high period 0.35/fsbclk ns
tL(SBCLK) SBCLK low period 0.35/fsbclk ns
tSU(FSYNC) FSYNC setup time 8 ns
tHLD(FSYNC) FSYNC hold time 8 ns
tSU(SDIN) SDIN setup time 8 ns
tHLD(SDIN) SDIN hold time 8 ns
td(SBCLK-SDOUT) SBCLK to SDOUT delay : 10% of SBCLK falling edge or 90% of SBCLK rising edge to 50% of SDOUT, IOVDD=1.8V 13 ns
td(SBCLK-SDOUT) SBCLK to SDOUT delay : 10% of SBCLK falling edge or 90% of SBCLK rising edge to 50% of SDOUT, IOVDD=1.2V 18 ns
tr(SBCLK) SBCLK rise time : 10 % - 90 % 0.15 / fsbclk ns
tf(SBCLK) SBCLK fall time : 90 % - 10 %  0.15 / fsbclk ns