SLOS907C April   2015  – December 2017 TPA3144D2

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Simplified Schematic
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
    1.     Pin 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 Switching 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  Gain Setting via GAIN Pin
      2. 9.3.2  SD Operation
      3. 9.3.3  Gain Limit Control, LIMTHRES and LIMRATE
      4. 9.3.4  SPEAKERGUARD Automatic Gain Limit, AGL
      5. 9.3.5  Thermal Foldback, TFB
      6. 9.3.6  PLIMIT
      7. 9.3.7  LIMTHRES
      8. 9.3.8  Spread Spectrum and De-Phase Control
      9. 9.3.9  GVDD Supply
      10. 9.3.10 DC Detect
      11. 9.3.11 PBTL Select
      12. 9.3.12 Short-Circuit Protection and Automatic Recovery Feature
      13. 9.3.13 Thermal Protection
    4. 9.4 Device Functional Modes
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Applications
      1. 10.2.1 Design Requirements
        1. 10.2.1.1 PCB Material Recommendation
        2. 10.2.1.2 PVCC Capacitor Recommendation
        3. 10.2.1.3 Decoupling Capacitor Recommendations
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Ferrite Bead Filter Considerations
        2. 10.2.2.2 Efficiency: LC Filter Required with the Traditional Class-D Modulation Scheme
        3. 10.2.2.3 When to Use an Output Filter for EMI Suppression
        4. 10.2.2.4 Input Resistance
        5. 10.2.2.5 Input Capacitor, Ci
        6. 10.2.2.6 BSN and BSP Capacitors
        7. 10.2.2.7 Differential Inputs
        8. 10.2.2.8 Using Low-ESR Capacitors
      3. 10.2.3 Application Performance Curves
        1. 10.2.3.1 EN55013 Radiated Emissions Results
        2. 10.2.3.2 EN55022 Conducted Emissions Results
  11. 11Power Supply Recommendations
    1. 11.1 Power Supply Decoupling, CS
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Device Support
      1. 13.1.1 Third-Party Products Disclaimer
    2. 13.2 Documentation Support
      1. 13.2.1 Related Documentation
    3. 13.3 Community Resources
    4. 13.4 Trademarks
    5. 13.5 Electrostatic Discharge Caution
    6. 13.6 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

パッケージ・オプション

メカニカル・データ（パッケージ｜ピン）
サーマルパッド・メカニカル・データ
発注情報

7.7 Typical Characteristics

All Measurements taken at 20dB closed loop gain, 1-kHz audio, TA = 25°C unless otherwise noted. Measurements were made with AES17 filter using the TPA3144D2 EVM, which is available at ti.com.
TPA3144D2 D001_SLOS882_BTL1SPWTHDvFreq12V6R.gif
AVCC=PVCC = 12 V, Load = 6 Ω + 47 µH, 1 W, 2.5 W, 5 W
Figure 1. Total Harmonic Distortion vs Frequency, 1SPW (BTL)
TPA3144D2 D003_SLOS907.gif
A.
AVCC=PVCC = 12 V, Load = 6 Ω + 47 µH, 20 Hz, 1 kHz, 6.7 kHz
Figure 3. Total Harmonic Distortion + Noise vs Output Power, 1SPW (BTL)
TPA3144D2 D005_SLOS907.gif
AVCC=PVCC = 4.5 V to 14.4 V, Load = 6 Ω + 47 µH, AGL + PLIM disable (LIMRATE = GND, LIMTHRES = GVDD)
Figure 5. Output Power vs Supply Voltage, 1SPW (BTL)
TPA3144D2 D007_SLOS882_BTL1SPWGAINPHASEvFreq12V6R.gif
A.
AVCC=PVCC = 12 V, Load = 6 Ω + 47 µH (device pins)
Figure 7. Gain/Phase vs Frequency (BTL)
TPA3144D2 D009_SLOS882_BTL1SPWEffvPo6V12V14p4V8R.gif
AVCC=PVCC= 6 V, 13 V, 14.4 V, Load = 8 Ω + 66 µH, AGL + PLIM disable (LIMRATE = GND, LIMTHRES = GVDD)
Figure 9. Efficiency vs Output Power, 1SPW (BTL)
TPA3144D2 D011_SLOS882_BTL1SPWPSRRvFreq12V6R.gif
AVCC=PVCC = 12 V, Load = 4 Ω + 33 µH
Figure 11. Supply Ripple Rejection Ratio vs Frequency (BTL)
TPA3144D2 D013_SLOS907.gif
AVCC=PVCC = 13 V, Load = 4 Ω + 33 µH, 20 Hz, 1 kHz, 6.7 kHz
Figure 13. Total Harmonic Distortion + Noise vs Output Power, 1SPW (PBTL)
TPA3144D2 D015_SLOS907.gif
AVCC=PVCC = 6 V, 13 V, 14.4 V, Load = 4 Ω + 33 µH, AGL + PLIM disable (LIMRATE = GND, LIMTHRES = GVDD)
Figure 15. Efficiency vs Output Power, 1SPW (PBTL)
TPA3144D2 D002_SLOS882_BTL1SPWTHDvFreq13V8R.gif
AVCC=PVCC = 13 V, Load = 8 Ω + 66 µH, 1 W, 2.5 W, 5 W
Figure 2. Total Harmonic Distortion vs Frequency, 1SPW (BTL)
TPA3144D2 D004_SLOS907.gif
AVCC=PVCC = 13 V, Load = 8 Ω + 66 µH, 20 Hz, 1 kHz, 6.7 kHz
Figure 4. Total Harmonic Distortion + Noise vs Output Power, 1SPW (BTL)
TPA3144D2 D006_SLOS907.gif
AVCC=PVCC = 4.5 V to 14.4 V, Load = 8 Ω + 66 µH, AGL + PLIM disable (LIMRATE = GND, LIMTHRES = GVDD)
Figure 6. Output Power vs Supply Voltage, 1SPW (BTL)
TPA3144D2 D008_SLOS907.gif
AVCC=PVCC = 6 V, 12 V, 14.4 V, Load = 6 Ω + 47 µH, AGL + PLIM disable (LIMRATE = GND, LIMTHRES = GVDD)
Figure 8. Efficiency vs Output Power, 1SPW (BTL)
TPA3144D2 D010_SLOS882_BTL1SPWXtlkvFreq12V1W6R.gif
AVCC=PVCC = 12 V, 1 W, Load = 6 Ω + 47 µH
Figure 10. Crosstalk vs Frequency, 1SPW (BTL)
TPA3144D2 D012_SLOS882_PBTL1SPWTHDvFreq13V4R.gif
AVCC=PVCC = 13 V, Load = 4 Ω + 33 µH, 1 W, 2.5 W, 10 W
Figure 12. Total Harmonic Distortion + Noise vs Frequency, 1SPW (PBTL)
TPA3144D2 D014_SLOS907.gif
AVCC=PVCC = 4.5 V to 14.4 V, Load = 4 Ω + 33 µH, AGL + PLIM disable (LIMRATE = GND, LIMTHRES = GVDD)
Figure 14. Output Power vs Supply Voltage, 1SPW (PBTL)