SLASFD9 April   2025 TAC5301-Q1

PRODUCTION DATA  

  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  Electrical Characteristics
    7. 5.7  Timing Requirements: I2C Interface
    8. 5.8  Switching Characteristics: I2C Interface
    9. 5.9  Timing Requirements: TDM, I2S or LJ Interface
    10. 5.10 Switching Characteristics: TDM, I2S or LJ Interface
    11. 5.11 Timing Diagrams
    12. 5.12 Typical Charactaristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Serial Interfaces
        1. 6.3.1.1 Control Serial Interfaces
        2. 6.3.1.2 Audio Serial Interfaces
          1. 6.3.1.2.1 Time Division Multiplexed Audio (TDM) Interface
          2. 6.3.1.2.2 Inter IC Sound (I2S) Interface
          3. 6.3.1.2.3 Left-Justified (LJ) Interface
        3. 6.3.1.3 Using Multiple Devices With Shared Buses
      2. 6.3.2 Phase-Locked Loop (PLL) and Clock Generation
      3. 6.3.3 Input Channel Configuration
      4. 6.3.4 Output Channel Configurations
      5. 6.3.5 Reference Voltage
      6. 6.3.6 Microphone Bias
      7. 6.3.7 Signal-Chain Processing
        1. 6.3.7.1 ADC Signal-Chain
          1. 6.3.7.1.1  Programmable Channel Gain and Digital Volume Control
          2. 6.3.7.1.2  Programmable Channel Gain Calibration
          3. 6.3.7.1.3  Programmable Channel Phase Calibration
          4. 6.3.7.1.4  Programmable Digital High-Pass Filter
          5. 6.3.7.1.5  Programmable Digital Biquad Filters
          6. 6.3.7.1.6  Programmable Channel Summer and Digital Mixer
          7. 6.3.7.1.7  Configurable Digital Decimation Filters
            1. 6.3.7.1.7.1 Linear-phase filters
              1. 6.3.7.1.7.1.1 Sampling Rate: 8kHz or 7.35kHz
              2. 6.3.7.1.7.1.2 Sampling Rate: 16kHz or 14.7kHz
              3. 6.3.7.1.7.1.3 Sampling Rate: 24kHz or 22.05kHz
              4. 6.3.7.1.7.1.4 Sampling Rate: 32kHz or 29.4kHz
              5. 6.3.7.1.7.1.5 Sampling Rate: 48kHz or 44.1kHz
              6. 6.3.7.1.7.1.6 Sampling Rate: 96kHz or 88.2kHz
              7. 6.3.7.1.7.1.7 Sampling Rate: 192kHz or 176.4kHz
            2. 6.3.7.1.7.2 Low-latency Filters
              1. 6.3.7.1.7.2.1 Sampling Rate: 24kHz or 22.05kHz
              2. 6.3.7.1.7.2.2 Sampling Rate: 32kHz or 29.4kHz
              3. 6.3.7.1.7.2.3 Sampling Rate: 48kHz or 44.1kHz
              4. 6.3.7.1.7.2.4 Sampling Rate: 96kHz or 88.2kHz
              5. 6.3.7.1.7.2.5 Sampling Rate: 192kHz or 176.4kHz
            3. 6.3.7.1.7.3 Ultra-Low-Latency Filters
              1. 6.3.7.1.7.3.1 Sampling Rate: 24kHz or 22.05kHz
              2. 6.3.7.1.7.3.2 Sampling Rate: 32kHz or 29.4kHz
              3. 6.3.7.1.7.3.3 Sampling Rate: 48kHz or 44.1kHz
              4. 6.3.7.1.7.3.4 Sampling Rate: 96kHz or 88.2kHz
              5. 6.3.7.1.7.3.5 Sampling Rate: 192kHz or 176.4kHz
          8. 6.3.7.1.8  Automatic Gain Controller (AGC)
          9. 6.3.7.1.9  Voice Activity Detection (VAD)
          10. 6.3.7.1.10 Ultrasonic Activity Detection (UAD)
        2. 6.3.7.2 DAC Signal-Chain
          1. 6.3.7.2.1 Programmable Channel Gain and Digital Volume Control
          2. 6.3.7.2.2 Programmable Channel Gain Calibration
          3. 6.3.7.2.3 Programmable Digital High-Pass Filter
          4. 6.3.7.2.4 Programmable Digital Biquad Filters
          5. 6.3.7.2.5 Configurable Digital Interpolation Filters
            1. 6.3.7.2.5.1 Linear-phase filters
              1. 6.3.7.2.5.1.1 Sampling Rate: 8kHz or 7.35kHz
              2. 6.3.7.2.5.1.2 Sampling Rate: 16kHz or 14.7kHz
              3. 6.3.7.2.5.1.3 Sampling Rate: 24kHz or 22.05kHz
              4. 6.3.7.2.5.1.4 Sampling Rate: 32kHz or 29.4kHz
              5. 6.3.7.2.5.1.5 Sampling Rate: 48kHz or 44.1kHz
              6. 6.3.7.2.5.1.6 Sampling Rate: 96kHz or 88.2kHz
              7. 6.3.7.2.5.1.7 Sampling Rate: 192kHz or 176.4kHz
            2. 6.3.7.2.5.2 Low-latency Filters
              1. 6.3.7.2.5.2.1 Sampling Rate: 24kHz or 22.05kHz
              2. 6.3.7.2.5.2.2 Sampling Rate: 32kHz or 29.4kHz
              3. 6.3.7.2.5.2.3 Sampling Rate: 48kHz or 44.1kHz
              4. 6.3.7.2.5.2.4 Sampling Rate: 96kHz or 88.2kHz
              5. 6.3.7.2.5.2.5 Sampling Rate: 192kHz or 176.4kHz
            3. 6.3.7.2.5.3 Ultra-Low-Latency Filters
              1. 6.3.7.2.5.3.1 Sampling Rate: 24kHz or 22.05kHz
              2. 6.3.7.2.5.3.2 Sampling Rate: 32kHz or 29.4kHz
              3. 6.3.7.2.5.3.3 Sampling Rate: 48kHz or 44.1kHz
              4. 6.3.7.2.5.3.4 Sampling Rate: 96kHz or 88.2kHz
              5. 6.3.7.2.5.3.5 Sampling Rate 192kHz or 176.4kHz
      8. 6.3.8 Interrupts, Status, and Digital I/O Pin Multiplexing
      9. 6.3.9 Power Tune Mode
    4. 6.4 Device Functional Modes
      1. 6.4.1 Sleep Mode or Software Shutdown
      2. 6.4.2 Software Reset
      3. 6.4.3 Active Mode
    5. 6.5 Programming
      1. 6.5.1 Control Serial Interfaces
        1. 6.5.1.1 General I2C Operation
        2. 6.5.1.2 I2C Single-Byte and Multiple-Byte Transfers
          1. 6.5.1.2.1 I2C Single-Byte Write
          2. 6.5.1.2.2 I2C Multiple-Byte Write
          3. 6.5.1.2.3 I2C Single-Byte Read
          4. 6.5.1.2.4 I2C Multiple-Byte Read
  8. 7 Register Maps
    1. 7.1 Device Configuration Registers
      1. 7.1.1 TAC5301-Q1_B0_P0 Registers
      2. 7.1.2 TAC5301-Q1_B0_P1 Registers
      3. 7.1.3 TAC5301-Q1_B0_P3 Registers
    2. 7.2 Programmable Coefficient Registers
      1. 7.2.1  Programmable Coefficient Registers: Page 8
      2. 7.2.2  Programmable Coefficient Registers: Page 9
      3. 7.2.3  Programmable Coefficient Registers: Page 10
      4. 7.2.4  Programmable Coefficient Registers: Page 11
      5. 7.2.5  Programmable Coefficient Registers: Page 15
      6. 7.2.6  Programmable Coefficient Registers: Page 16
      7. 7.2.7  Programmable Coefficient Registers: Page 17
      8. 7.2.8  Programmable Coefficient Registers: Page 18
      9. 7.2.9  Programmable Coefficient Registers: Page 19
      10. 7.2.10 Programmable Coefficient Registers: Page 25
      11. 7.2.11 Programmable Coefficient Registers: Page 26
      12. 7.2.12 Programmable Coefficient Registers: Page 27
      13. 7.2.13 Programmable Coefficient Registers: Page 28
  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 Typical Characteristics
    3. 8.3 Power Supply Recommendations
      1. 8.3.1 IOVDD_IO_MODE for 1.8V and 1.2V Operation
    4. 8.4 Layout
      1. 8.4.1 Layout Example
      2. 8.4.2 Layout Guidelines
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Electrostatic Discharge Caution
    3. 9.3 Receiving Notification of Documentation Updates
    4. 9.4 Support Resources
    5. 9.5 Trademarks
    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
6.3.7.1.1 Programmable Channel Gain and Digital Volume Control

The device has an independent programmable channel gain setting for each input channel that can be set to the appropriate value based on the maximum input signal expected in the system, which determines the ADC full-scale signal level.

The channel gain can be set using the programmable digital volume control with a range from –80dB to 47dB in steps of 0.5dB with the option to mute the channel recording. The digital volume control value can be changed dynamically while the ADC channel is powered-up and recording. During volume control changes, the soft ramp-up or ramp-down volume feature is used internally to avoid any audible artifacts. Soft-stepping can be entirely disabled using the ADC_DSP_DISABLE_SOFT_STEP (P0_R114_D[1]) register bit.

The digital volume control setting is independently available for each output channel, including the digital microphone record channel. However, the device also supports an option to gang-up the volume control setting for all channels together using the channel 1 digital volume control setting, regardless if channel 1 is powered up or powered down. This gang-up can be enabled using the ADC_DSP_DVOL_GANG (P0_R114_D[0]) register bit.

Table 6-37 shows the programmable options available for the digital volume control.

Table 6-12 Digital Volume Control (DVC) Programmable Settings
P0_R82_D[7:0] : ADC_CH1_DVOL[7:0] DVC SETTING FOR OUTPUT CHANNEL 1
0000 0000 = 0d Output channel 1 DVC is set to mute
0000 0001 = 1d Output channel 1 DVC is set to –80dB
0000 0010 = 2d Output channel 1 DVC is set to –79.5dB
0000 0011 = 3d Output channel 1 DVC is set to –79dB
… …
1010 0000 = 160d Output channel 1 DVC is set to –0.5dB
1010 0001 = 161d (default) Output channel 1 DVC is set to 0dB
1010 0010 = 162d Output channel 1 DVC is set to 0.5dB
… …
1111 1101 = 253d Output channel 1 DVC is set to 46dB
1111 1110 = 254d Output channel 1 DVC is set to 46.5dB
1111 1111 = 255d Output channel 1 DVC is set to 47dB

Similarly, the digital volume control setting for output channel 2 can be configured using the CH2_DVOL (P0_R87) register bits.

The internal digital processing engine soft ramps up the volume from a muted level to the programmed volume level when the channel is powered up, and the internal digital processing engine soft ramps down the volume from a programmed volume to mute when the channel is powered down. This soft-stepping of volume is done to prevent abruptly powering up and powering down the record channel. This feature can also be entirely disabled using the ADC_DSP_DISABLE_SOFT_STEP (P0_R114_D[1]) register bit.

The Digital Volume (DVOL) control offers user the control over the gain without need for a Programmable Gain Amplifier (PGA). In TAC5301-Q1, the PGA opamp is integrated into the ADC front-end offering very high performance equivalent to other low noise PGA based audio signal chains at a fraction of the power of traditional PGA based devices. For more details refer Microphone Interface with TAX5XXX Devices.

The programmble channel digital volume control feature is not applicable if the PLL is turned off. For setting channel attenuation, user can configure this by using the programmable high pass filter coefficients as described in Section 6.3.7.1.4.