SLOS638C November   2011  – June 2022 TPA2015D1

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Operating Characteristics
    7. 7.7 Typical Characteristics
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 SpeakerGuard™ Theory of Operation
        1. 9.3.1.1 SpeakerGuard™ With Varying Input Levels
        2. 9.3.1.2 Battery Tracking SpeakerGuard™
      2. 9.3.2 Fully Differential Class-D Amplifier
        1. 9.3.2.1 Advantages of Fully Differential Amplifiers
        2. 9.3.2.2 Improved Class-D Efficiency
      3. 9.3.3 Adaptive Boost Converter
        1. 9.3.3.1 Boost Converter Overvoltage Protection
      4. 9.3.4 Operation With DACs and CODECs
      5. 9.3.5 Filter Free Operation and Ferrite Bead Filters
      6. 9.3.6 Speaker Load Limitation
      7. 9.3.7 Fixed Gain Setting
    4. 9.4 Device Functional Modes
      1. 9.4.1 Shutdown Mode
      2. 9.4.2 Battery Tracking SpeakerGuard™ Operation
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Applications
      1. 10.2.1 TPA2015D1 With Differential Input Signals
        1. 10.2.1.1 Design Requirements
        2. 10.2.1.2 Detailed Design Procedure
          1. 10.2.1.2.1 Boost Converter Inductor Selection
            1. 10.2.1.2.1.1 Inductor Equations
          2. 10.2.1.2.2 Boost Converter Capacitor Selection
          3. 10.2.1.2.3 Components Location and Selection
            1. 10.2.1.2.3.1 Decoupling Capacitors
            2. 10.2.1.2.3.2 Input Capacitors
        3. 10.2.1.3 Application Curves
      2. 10.2.2 TPA2015D1 with Single-Ended Input Signals
        1. 10.2.2.1 Design Requirements
        2. 10.2.2.2 Detailed Design Procedure
        3. 10.2.2.3 Application Curves
  11. 11Power Supply Recommendations
    1. 11.1 Power Supply Decoupling Capacitors
  12. 12Layout
    1. 12.1 Layout Guidelines
      1. 12.1.1 Component Placement
      2. 12.1.2 Trace Width
      3. 12.1.3 Pad Size
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Device Support
      1. 13.1.1 Device Nomenclature
        1. 13.1.1.1 TPA2015D1 Glossary
        2. 13.1.1.2 Boost Terms
    2. 13.2 Community Resources
    3. 13.3 Trademarks
  14. 14Mechanical, Packaging, and Orderable Information
    1. 14.1 Package Option Addendum
      1. 14.1.1 Packaging Information
      2. 14.1.2 Tape and Reel Information

7.5 Electrical Characteristics

VBAT= 3.6 V, Gain = 6 dB, RAGC = Float, TA = 25°C, RL = 8 Ω + 33 μH (unless otherwise noted)
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
VBAT supply voltage rangeEND = 0 V, ENB = VBAT2.55.2V
END = VBAT, ENB = VBAT, AGC options 1, 2, and 32.55.2
END = VBAT, ENB = VBAT, AGC option 02.85.2
Class-D supply voltage rangeEND = ENB = VBAT, boost converter active5.25.8V
END = VBAT, ENB = 0 V3.15.25V
Power supply ripple rejectionVBAT = 2.5 V to 5.2 V, END = ENB = VBAT85dB
VBAT = 2.5 V to 5.2 V, END = VBAT, ENB = 0 V
(pass through mode)		75
Operating quiescent currentEND = 0 V, ENB = VBAT0.5mA
END = ENB = VBAT1.72.2mA
Shutdown quiescent currentVBAT = 2.5 V to 5.2 V, END = ENB = GND0.23μA
Gain control pin voltageGain = 6 dB (connect to GND)00.25 × VBATV
Gain = 15.5 dB (float)0.4 × VBAT0.6 × VBAT
Gain = 20 dB (connect to VBAT)0.75 × VBAT
AGC control pin voltageAGC with no inflection point, R(AGC) = Open2V
AGC option 1 (inflection = 3.55 V), R(AGC) = 39 kΩ (±5%)1.361.75
AGC option 2 (inflection = 3.78 V) , R(AGC) = 27 kΩ (±5%)0.941.2
AGC option 3 (inflection = 3.96 V) , R(AGC) = 18 kΩ (±5%)00.825
AGC control pin output current37.64042.4μA
Input common-mode voltage rangeIN+, IN–0.61.3V
Start-up timeBoost converter followed by Class-D amplifier610ms
Boost converter only14
Class-D amplifier only56