ZHCS767B January   2012  – April 2016 TPA2080D1

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
  4. 4 修订历史记录
  5. 5 器件比较表
  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 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. 13器件和文档支持
    1. 13.1 器件支持
      1. 13.1.1 第三方产品免责声明
      2. 13.1.2 器件命名规则
        1. 13.1.2.1 升压项
    2. 13.2 社区资源
    3. 13.3 商标
    4. 13.4 静电放电警告
    5. 13.5 Glossary
  14. 14机械、封装和可订购信息
    1. 14.1 封装尺寸

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

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