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

7.5 Electrical Characteristics

over operating free-air temperature range (unless otherwise noted)
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
DC CHARACTERISTICS, TA = 25°C, AVCC = PVCC = 12 V, RL = 6 Ω, using the TPA3144D2 EVM which is available at ti.com. (unless otherwise noted)
| VOS | Class-D output offset voltage (measured differentially) VI = 0 V, Gain = 36 dB 1.5 15 mV
ICC Quiescent supply current SD = 2 V, no load, 10 µF + 680 nF Output Filter 35 40 mA
ICC(SD) Quiescent supply current in shutdown mode SD = 0.8 V, no load 40 60 µA
rDS(on) Drain-source on-state resistance IO = 500 mA, TJ = 25°C
Excluding Metal and Bond Wire Resistance		 High Side 240 mΩ
Low side 240
G Gain GAIN = 0 V (GND) 19 20 21 dB
GAIN = 2.3 V (1/3·GVDD) 25 26 27
GAIN = 4.6 V (2/3·GVDD) 31 32 33
GAIN = 6.9 V (GVDD) 35 36 37
ton Turn-on time SD = 2 V 14 ms
tOFF Turn-off time SD = 0.8 V 2.5 µs
GVDD Gate drive supply IGVDD = 2 mA 6.4 6.9 7.4 V
tDCDET DC detect time VRINN = 3.1 V and VRINN = 2.9 V, or VRINN = 2.9 V and VRINN = 3.1 V 950 ms
AC CHARACTERISTICS, TA = 25°C, AVCC = PVCC = 12 V, RL = 6 Ω, using the TPA3144D2 EVM which is available at ti.com. (unless otherwise noted)
PSRR Power supply ripple rejection 200-mVPP ripple at 1 kHz,
Gain = 20 dB, Inputs ac-coupled to GND		 –65 dB
PO Continuous output power THD+N = 10%, f = 1 kHz 6 W
PO Continuous output power THD+N = 10%, f = 1 kHz, PVCC = 13 V, RL = 8 Ω 6 W
PO Continuous output power, PBTL (mono) THD+N = 10%, f = 1 kHz, PVCC = 13 V, RL = 4 Ω 12 W
IO Maximum output current f = 1 kHz, RL=3 Ω 3.1 A
THD+N Total harmonic distortion + noise f = 1 kHz, PO = 5 W (half-power) 0.06%
Vn Output integrated noise 20 Hz to 22 kHz, A-weighted filter, Gain = 20 dB, Spread Spectrum off 65 µV
–80 dBV
Crosstalk VO = 1 Vrms, Gain = 20 dB, f = 1 kHz –75 dB
SNR Signal-to-noise ratio Maximum output at THD+N < 1%, f = 1 kHz,
Gain = 20 dB, A-weighted, Spread Spectrum off		 102 dB
OTE Thermal trip point 150 °C
Thermal hysteresis 15 °C
TFB Thermal foldback trip point 125 °C