SLOS733B January   2012  – April 2016 TPA2080D1

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 Fully Differential Amplifier
        1. 9.3.1.1 Advantages of Fully Differential Amplifiers
      2. 9.3.2 Short-Circuit Auto-Recovery
      3. 9.3.3 Operation With DACs and CODECs
      4. 9.3.4 Speaker Load Limitation
      5. 9.3.5 Filter-Free Operation and Ferrite Bead Filters.
      6. 9.3.6 Boost Converter Auto Pass Through (APT)
    4. 9.4 Device Functional Modes
      1. 9.4.1 Shutdown Mode
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 TPA2080D1 With Differential Input Signal
        1. 10.2.1.1 Design Requirements
        2. 10.2.1.2 Detailed Design Procedure
          1. 10.2.1.2.1 Surface Mount Inductor
          2. 10.2.1.2.2 Inductor Selection
          3. 10.2.1.2.3 Surface Mount Capacitors
          4. 10.2.1.2.4 Boost Converter Capacitor Selection
          5. 10.2.1.2.5 Decoupling Capacitors
          6. 10.2.1.2.6 Input Capacitors
          7. 10.2.1.2.7 Boost Converter Component Section
        3. 10.2.1.3 Application Curves
      2. 10.2.2 TPA2080D1 With Single-Ended 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 Thermal Considerations
      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 Third-Party Products Disclaimer
      2. 13.1.2 Device Nomenclature
        1. 13.1.2.1 Boost Terms
    2. 13.2 Community Resources
    3. 13.3 Trademarks
    4. 13.4 Electrostatic Discharge Caution
    5. 13.5 Glossary
  14. 14Mechanical, Packaging, and Orderable Information
    1. 14.1 Package Dimensions

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

7 Specifications

7.1 Absolute Maximum Ratings

Over operating free–air temperature range, TA= 25°C (unless otherwise noted)(1)
MIN MAX UNIT
Supply voltage VBAT –0.3 6 V
Input voltage, VI IN+, IN– –0.3 VBAT + 0.3 V
Minimum load resistance 3.2 Ω
Output continuous total power dissipation See Thermal Information
Operating free-air temperature, TA –40 85 °C
Operating junction temperature, TJ –40 150 °C
Storage temperature, Tstg –65 150 °C
(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions is not implied. Exposure to absolute–maximum–rated conditions for extended periods may affect device reliability.

7.2 ESD Ratings

VALUE UNIT
V(ESD) Electrostatic discharge Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001(1) ±2000 V
Charged-device model (CDM), per JEDEC specification JESD22-C101(2) ±500
Machine model (MM) ±100
(1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
(2) JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.

7.3 Recommended Operating Conditions

MIN MAX UNIT
Supply voltage, VBAT 2.5 5.2 V
VIH High–level input voltage, END 1.3 V
VIL Low–level input voltage, END 0.6 V
TA Operating free-air temperature –40 85 °C
TJ Operating junction temperature –40 150 °C

7.4 Thermal Information

THERMAL METRIC(1) TPA2080D1 UNIT
YZG (DSBGA)
12 PINS
RθJA Junction-to-ambient thermal resistance 97.3 °C/W
RθJC(top) Junction-to-case (top) thermal resistance 36.7 °C/W
RθJB Junction-to-board thermal resistance 55.9 °C/W
ψJT Junction-to-top characterization parameter 13.9 °C/W
ψJB Junction-to-board characterization parameter 49.5 °C/W
RθJC(bot) Junction-to-case (bottom) thermal resistance — °C/W
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report, SPRA953.

7.5 Electrical Characteristics

VBAT = 3.6 V, TA = 25°C, RL = 8 Ω + 33 μH (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
VBAT supply voltage range 2.5 5.2 V
Class-D supply voltage range EN = VBAT, boost converter active 5.75 V
Boost converter disabled (in bypass mode) 2.5 5.2
Supply under voltage shutdown 2.2 V
Operating quiescent current EN = VBAT = 3.6 V 2 6 mA
Shutdown quiescent current VBAT = 2.5 V to 5.2 V, EN = GND 0.2 1 μA
Input common-mode voltage range IN+, IN– 0.6 1.3 V
Start-up time 6 10 ms

7.6 Operating Characteristics

VBAT= 3.6 V, EN = VBAT, TA = 25°C, RL = 8 Ω + 33 μH (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
BOOST CONVERTER
PVDD Boost converter output voltage range IBOOST = 0 mA 5.4 5.75 6.4 V
IBOOST = 700 mA 5.6
IL Boost converter input current limit Power supply current 1800 mA
Boost converter start-up current limit Boost converter starts up from full shutdown 600
Boost converter wakes up from auto-pass through mode 1000
fBOOST Boost converter frequency 1.2 MHz
CLASS-D AMPLIFIER
PO Output power THD = 1%, VBAT = 2.5 V, f = 1 kHz 1440 mW
THD = 1%, VBAT = 3 V, f = 1 kHz 1750
THD = 1%, VBAT = 3.6 V, f = 1 kHz 1900
THD = 1%, VBAT = 2.5 V, f = 1 kHz, RL = 4 Ω + 33 µH 1460
THD = 1%, VBAT = 3 V, f = 1 kHz, RL = 4 Ω + 33 µH 1800
THD = 1%, VBAT = 3.6 V, f = 1 kHz, RL = 4 Ω + 33 µH 2280
AV Voltage gain 19.5 20 20.5 dB
VOOS Output offset voltage 2 10 mV
Short-circuit protection threshold current 2 A
RIN Input impedance (per input pin) 24 kΩ
Input impedance in shutdown (per input pin) EN = 0 V 1300
ZO Output impedance in shutdown 2 kΩ
Maximum input voltage swing EN = 0 V 2 VRMS
Boost converter auto-pass through threshold Class-D output voltage threshold when boost converter automatically turns on 2 VPK
fCLASS-D Class-D switching frequency 275 300 325 kHz
η Class-D and boost combined efficiency PO = 500 mW, VBAT = 3.6 V 90%
EN Noise output voltage A-weighted 49 μVRMS
Unweighted 65
SNR Signal-to-noise ratio 1.7 W, RL = 8 Ω + 33 µH. A-weighted 97.5 dB
1.7 W, RL = 8 Ω + 33 µH. Unweighted 95
2 W, RL = 4 Ω + 33 µH. A-weighted 95
2 W, RL = 4 Ω + 33 µH. Unweighted 93
THD+N Total harmonic distortion plus noise(1) PO = 100 mW, f = 1 kHz 0.06%
PO = 500 mW, f = 1 kHz 0.07%
PO = 1.7 W, f = 1 kHz, RL = 8 Ω + 33 µH 0.07%
PO = 2 W, f = 1 kHz, RL = 4 Ω + 33 µH 0.15%
AC PSRR AC-Power supply ripple rejection (output referred) 200 mVPP square ripple, VBAT = 3.8 V, f = 217 Hz 62.5 dB
200 mVPP square ripple, VBAT = 3.8 V, f = 1 kHz 62.5
AC CMRR AC-Common mode rejection ratio (output referred) 200 mVPP square ripple, VBAT = 3.8 V, f = 217 Hz 71 dB
200 mVPP square ripple, VBAT = 3.8 V, f = 1 kHz 71
(1) A-weighted

7.7 Typical Characteristics

VBAT = 3.6 V, CI = 1 µF, CBOOST = 22 µF, LBOOST = 2.2 µH, EN = VBAT, and Load = 8 Ω + 33 µH, no ferrite bead unless otherwise specified.
TPA2080D1 G001_Output_Power_vs_Supply_Voltage.png Figure 1. Output Power vs Supply Voltage
TPA2080D1 G003_Total_Supply_Current_vs_Output_Power.png Figure 3. Total Supply Current vs Output Power
TPA2080D1 G005_Total_Harmonic_Distortion_Plus_Noise_vs_Frequency.png Figure 5. THD+N vs Frequency
TPA2080D1 G007_Total_Harmonic_Distortion_Plus_Noise_vs_Output_Power.png Figure 7. THD+N vs Output Power
TPA2080D1 G009_Total_Efficiency_vs_Output_Power.png Figure 9. Total Efficiency vs Output Power
TPA2080D1 G011_Total_Power_Dissipation_vs_Output_Power.png Figure 11. Total Power Dissipation vs Output Power
TPA2080D1 G013_Quiescent_Supply_Current_vs_Supply_Voltage.png Figure 13. Quiescent Supply Current vs Battery Voltage
TPA2080D1 G015_Common_Mode_Rejection_vs_Frequency.png Figure 15. Common-Mode Rejection Ratio vs Frequency
TPA2080D1 G018_Startup_Timing.png Figure 17. Start-Up timing
TPA2080D1 Fig20_EMC_Performance.png Figure 19. EMC Performance PO = 750 mW With 2-Inch Speaker Cable
TPA2080D1 G002_Output_Power_vs_Supply_Voltage.png Figure 2. Output Power vs Supply Voltage
TPA2080D1 G004_Total_Supply_Current_vs_Output_Power.png Figure 4. Total Supply Current vs Output Power
TPA2080D1 G006_Total_Harmonic_Distortion_Plus_Noise_vs_Frequency.png Figure 6. THD+N vs Frequency
TPA2080D1 G008_Total_Harmonic_Distortion_Plus_Noise_vs_Output_Power.png Figure 8. THD+N vs Output Power
TPA2080D1 G010_Total_Efficiency_vs_Output_Power.png Figure 10. Total Efficiency vs Output Power
TPA2080D1 G012_Total_Power_Dissipation_vs_Output_Power.png Figure 12. Total Power Dissipation vs Output Power
TPA2080D1 G014_Supply_Ripple_Rejection_vs_Frequency.png Figure 14. Supply Ripple Rejection vs Frequency
TPA2080D1 G017_A-Weighted_Noise_vs_Frequency.png Figure 16. A-Weighted Output Noise vs Frequency
TPA2080D1 G019_Shutdown_Timing.png Figure 18. Shutdown timing