SLASF27A December   2023  – November 2024 TAC5242

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements: TDM, I2S or LJ Interface
    7. 6.7 Switching Characteristics: TDM, I2S or LJ Interface
    8. 6.8 Timing Diagrams
    9. 6.9 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Hardware Control
      2. 7.3.2 Audio Serial Interfaces
        1. 7.3.2.1 Time Division Multiplexed Audio (TDM) Interface
        2. 7.3.2.2 Inter IC Sound (I2S) Interface
        3. 7.3.2.3 Left-Justified (LJ) Interface
      3. 7.3.3 Phase-Locked Loop (PLL) and Clock Generation
      4. 7.3.4 Analog Input and Output Configurations
      5. 7.3.5 Reference Voltage
      6. 7.3.6 Integrated Microphone Bias
      7. 7.3.7 ADC Signal-Chain
        1. 7.3.7.1 Digital High-Pass Filter
        2. 7.3.7.2 Configurable Digital Decimation Filters
          1. 7.3.7.2.1 Linear-phase filters
            1. 7.3.7.2.1.1 Sampling Rate: 8kHz or 7.35kHz
            2. 7.3.7.2.1.2 Sampling Rate: 16kHz or 14.7kHz
            3. 7.3.7.2.1.3 Sampling Rate: 24kHz or 22.05kHz
            4. 7.3.7.2.1.4 Sampling Rate: 32kHz or 29.4kHz
            5. 7.3.7.2.1.5 Sampling Rate: 48kHz or 44.1kHz
            6. 7.3.7.2.1.6 Sampling Rate: 96kHz or 88.2kHz
            7. 7.3.7.2.1.7 Sampling Rate: 192kHz or 176.4kHz
          2. 7.3.7.2.2 Low-latency Filters
            1. 7.3.7.2.2.1 Sampling Rate: 24kHz or 22.05kHz
            2. 7.3.7.2.2.2 Sampling Rate: 32kHz or 29.4kHz
            3. 7.3.7.2.2.3 Sampling Rate: 48kHz or 44.1kHz
            4. 7.3.7.2.2.4 Sampling Rate: 96kHz or 88.2kHz
            5. 7.3.7.2.2.5 Sampling Rate: 192kHz or 176.4kHz
      8. 7.3.8 DAC Signal-Chain
        1. 7.3.8.1 Digital Interpolation Filters
          1. 7.3.8.1.1 Linear-phase filters
            1. 7.3.8.1.1.1 Sampling Rate: 8kHz or 7.35kHz
            2. 7.3.8.1.1.2 Sampling Rate: 16kHz or 14.7kHz
            3. 7.3.8.1.1.3 Sampling Rate: 24kHz or 22.05kHz
            4. 7.3.8.1.1.4 Sampling Rate: 32kHz or 29.4kHz
            5. 7.3.8.1.1.5 Sampling Rate: 48kHz or 44.1kHz
            6. 7.3.8.1.1.6 Sampling Rate: 96kHz or 88.2kHz
            7. 7.3.8.1.1.7 Sampling Rate: 192kHz or 176.4kHz
          2. 7.3.8.1.2 Low-latency Filters
            1. 7.3.8.1.2.1 Sampling Rate: 24kHz or 22.05kHz
            2. 7.3.8.1.2.2 Sampling Rate: 32kHz or 29.4kHz
            3. 7.3.8.1.2.3 Sampling Rate: 48kHz or 44.1kHz
            4. 7.3.8.1.2.4 Sampling Rate: 96kHz or 88.2kHz
            5. 7.3.8.1.2.5 Sampling Rate: 192kHz or 176.4kHz
    4. 7.4 Device Functional Modes
      1. 7.4.1 Active Mode
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Application
      2. 8.2.2 Design Requirements
      3. 8.2.3 Detailed Design Procedure
      4. 8.2.4 Application Performance Plots
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.9 Typical Characteristics

At TA = 25°C, AVDD = 3.3V, IOVDD = 3.3V, fIN = 1kHz sinusoidal signal, fS = 48kHz, 32-bit audio data, BCLK = 256×fS, TDM target mode, and linear phase decimation/interpolation filter, with AC-coupled line-input in differential configuration and 1200Ω/600Ω line-out load in differential/single-ended configuration or 32Ω receiver differential load as applicable; measured filter free with an Audio Precision with a 20Hz to 20kHz un-weighted bandwidth, unless otherwise noted

TAC5242 ADC THD+N Level vs Input
AC-coupled differential line input
Figure 6-2 ADC THD+N Level vs Input
TAC5242 ADC THD+N Level vs Input
AC-coupled differential line input, AVDD=1.8V
Figure 6-4 ADC THD+N Level vs Input
TAC5242 ADC A-weighted DR vs Frequency
AC-coupled single-ended line input (-60dBFS)
Figure 6-6 ADC A-weighted DR vs Frequency
TAC5242 ADC THD+N vs Frequency
AC-coupled single-ended line input (-1dBFS)
Figure 6-8 ADC THD+N vs Frequency
TAC5242 ADC FFT with Idle Channel Input
AC-coupled differential line input
Figure 6-10 ADC FFT with Idle Channel Input
TAC5242 ADC FFT with -1dBFS Input
AC-coupled differential line input
Figure 6-12 ADC FFT with -1dBFS Input
TAC5242 DAC THD+N Level vs Input
Differential output
Figure 6-14 DAC THD+N Level vs Input
TAC5242 DAC THD+N Level vs Output Power
Differential receiver/headphone output, 32Ω load
Figure 6-16 DAC THD+N Level vs Output Power
TAC5242 DAC THD+N Level vs Frequency
Differential output
Figure 6-18 DAC THD+N Level vs Frequency
TAC5242 DAC THD+N Level vs Frequency
Differential receiver/headphone output, 32Ω load
Figure 6-20 DAC THD+N Level vs Frequency
TAC5242 DAC FFT
Differential output, idle-channel input
Figure 6-22 DAC FFT
TAC5242 DAC FFT
Differential output, -1dBFS input
Figure 6-24 DAC FFT
TAC5242 DAC PSRR vs Frequency
Single-ended output
Figure 6-26 DAC PSRR vs Frequency
TAC5242 ADC THD+N Level vs Input
AC-coupled single-ended line input
Figure 6-3 ADC THD+N Level vs Input
TAC5242 ADC A-weighted DR vs Frequency
AC-coupled differential line input (-60dBFS)
Figure 6-5 ADC A-weighted DR vs Frequency
TAC5242 ADC THD+N vs Frequency
AC-coupled differential line input (-1dBFS)
Figure 6-7 ADC THD+N vs Frequency
TAC5242 ADC Frequency Response
AC-coupled differential line input (-6dBFS)
Figure 6-9 ADC Frequency Response
TAC5242 ADC FFT with -60dBFS Input
AC-coupled differential line input
Figure 6-11 ADC FFT with -60dBFS Input
TAC5242 ADC PSRR vs Frequency
AC-coupled differential line input
Figure 6-13 ADC PSRR vs Frequency
TAC5242 DAC THD+N Level vs Input
Single-ended output
Figure 6-15 DAC THD+N Level vs Input
TAC5242 DAC THD+N Level vs Output Power
Pseudo-differential output, 32Ω headphone load
Figure 6-17 DAC THD+N Level vs Output Power
TAC5242 DAC THD+N Level vs Frequency
Single-ended output
Figure 6-19 DAC THD+N Level vs Frequency
TAC5242 DAC THD+N Level vs Frequency
Pseudo-differential output, 32Ω headphone load
Figure 6-21 DAC THD+N Level vs Frequency
TAC5242 DAC FFT
Differential output, -60dBFS input
Figure 6-23 DAC FFT
TAC5242 DAC PSRR vs Frequency
Differential output
Figure 6-25 DAC PSRR vs Frequency
TAC5242 DAC Frequency Response
Differential output, -6dBFS input
Figure 6-27 DAC Frequency Response