SLAS520E February   2007  – December 2014 TLV320AIC3101

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Simplified Diagram
  5. 5 Revision History
  6. 6 Description (continued)
  7. 7 Device Comparison Table
  8. 8 Pin Configuration and Functions
  9. 9 Specifications
    1. 9.1 Absolute Maximum Ratings
    2. 9.2 ESD Ratings
    3. 9.3 Recommended Operating Conditions
    4. 9.4 Thermal Information
    5. 9.5 Electrical Characteristics
    6. 9.6 Timing Requirements: Audio Data Serial Interface
    7. 9.7 Typical Characteristics
  10. 10Parameter Measurement Information
  11. 11Detailed Description
    1. 11.1 Overview
    2. 11.2 Functional Block Diagram
    3. 11.3 Feature Description
      1. 11.3.1  Hardware Reset
      2. 11.3.2  Digital Audio Data Serial Interface
        1. 11.3.2.1 Right-Justified Mode
        2. 11.3.2.2 Left-Justified Mode
        3. 11.3.2.3 I2S Mode
        4. 11.3.2.4 DSP Mode
        5. 11.3.2.5 TDM Data Transfer
      3. 11.3.3  Audio Data Converters
        1. 11.3.3.1 Audio Clock Generation
        2. 11.3.3.2 Stereo Audio ADC
          1. 11.3.3.2.1 Stereo Audio ADC High-Pass Filter
          2. 11.3.3.2.2 Automatic Gain Control (AGC)
            1. 11.3.3.2.2.1 Target Level
            2. 11.3.3.2.2.2 Attack Time
            3. 11.3.3.2.2.3 Decay Time
            4. 11.3.3.2.2.4 Noise Gate Threshold
            5. 11.3.3.2.2.5 Maximum PGA Gain Applicable
        3. 11.3.3.3 Stereo Audio DAC
          1. 11.3.3.3.1 Digital Audio Processing for Playback
          2. 11.3.3.3.2 Digital Interpolation Filter
          3. 11.3.3.3.3 Audio DAC Digital Volume Control
          4. 11.3.3.3.4 Increasing DAC Dynamic Range
          5. 11.3.3.3.5 Analog Output Common-Mode Adjustment
          6. 11.3.3.3.6 Audio DAC Power Control
      4. 11.3.4  Audio Analog Inputs
      5. 11.3.5  Analog Fully Differential Line Output Drivers
      6. 11.3.6  Analog High-Power Output Drivers
      7. 11.3.7  Input Impedance and VCM Control
      8. 11.3.8  MICBIAS Generation
      9. 11.3.9  Short-Circuit Output Protection
      10. 11.3.10 Jack/Headset Detection
    4. 11.4 Device Functional Modes
      1. 11.4.1 Bypass Path Mode
        1. 11.4.1.1 Analog Input Bypass Path Functionality
        2. 11.4.1.2 ADC PGA Signal Bypass Path Functionality
        3. 11.4.1.3 Passive Analog Bypass During Power Down
      2. 11.4.2 Digital Audio Processing for Record Path
    5. 11.5 Programming
      1. 11.5.1 I2C Control Interface
      2. 11.5.2 I2C Bus Debug in a Glitched System
    6. 11.6 Register Maps
    7. 11.7 Output Stage Volume Controls
  12. 12Application and Implementation
    1. 12.1 Application Information
    2. 12.2 Typical Application
      1. 12.2.1 AC-Coupled Headphone Output With Separate Line Outputs and External Speaker Amplifier
        1. 12.2.1.1 Design Requirements
        2. 12.2.1.2 Detailed Design Procedure
        3. 12.2.1.3 Application Curves
      2. 12.2.2 Connections With Headphone and External Speaker Driver in Cell Phone Application
        1. 12.2.2.1 Design Requirements
        2. 12.2.2.2 Detailed Design Procedure
        3. 12.2.2.3 Application Curves
  13. 13Power Supply Recommendations
  14. 14Layout
    1. 14.1 Layout Guidelines
    2. 14.2 Layout Example
  15. 15Device and Documentation Support
    1. 15.1 Trademarks
    2. 15.2 Electrostatic Discharge Caution
    3. 15.3 Glossary
  16. 16Mechanical, Packaging, and Orderable Information

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13 Power Supply Recommendations

The TLV320AIC3101 has been designed to be extremely tolerant of power supply sequencing. However, in some rare instances, unexpected conditions can be attributed to power supply sequencing. The following sequence provides the most robust operation.

IOVDD should be powered up first. The analog supplies, which include AVDD and DRVDD, should be powered up second. The digital supply DVDD should be powered up last. Keep RESET low until all supplies are stable. The analog supplies should be greater than or equal to DVDD at all times.

Power_Supply_ Seq_slas520.pngFigure 38. TLV320AIC3101 Power Supply Sequencing

Table 181. TLV320AIC3101 Power Supply Sequencing

PARAMETER MIN MAX UNIT
t1 IOVDD to AVDD, DRVDD 0 ms
t2 AVDD to DVDD 0 5
t3 IOVDD, to DVDD 0
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