ZHCSDJ5B
January 2015 – December 2017
TPA3140D2
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
简化原理图
4
修订历史记录
5
Device Comparison Table
6
Pin Configuration and Functions
Pin Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Switching Characteristics
7.7
Typical Characteristics
8
Parameter Measurement Information
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Gain Setting via GAIN Pin
9.3.2
SD Operation
9.3.3
Gain Limit Control, LIMTHRES and LIMRATE
9.3.4
SPEAKERGUARD Automatic Gain Limit, AGL
9.3.5
Thermal Foldback, TFB
9.3.6
PLIMIT
9.3.7
LIMTHRES
9.3.8
Spread Spectrum and De-Phase Control
9.3.9
GVDD Supply
9.3.10
DC Detect
9.3.11
PBTL Select
9.3.12
Short-Circuit Protection and Automatic Recovery Feature
9.3.13
Thermal Protection
9.4
Device Functional Modes
10
Application and Implementation
10.1
Application Information
10.2
Typical Applications
10.2.1
Design Requirements
10.2.1.1
PCB Material Recommendation
10.2.1.2
PVCC Capacitor Recommendation
10.2.1.3
Decoupling Capacitor Recommendations
10.2.2
Detailed Design Procedure
10.2.2.1
Ferrite Bead Filter Considerations
10.2.2.2
Efficiency: LC Filter Required with the Traditional Class-D Modulation Scheme
10.2.2.3
When to Use an Output Filter for EMI Suppression
10.2.2.4
Input Resistance
10.2.2.5
Input Capacitor, Ci
10.2.2.6
BSN and BSP Capacitors
10.2.2.7
Differential Inputs
10.2.2.8
Using Low-ESR Capacitors
10.2.3
Application Performance Curves
10.2.3.1
EN55013 Radiated Emissions Results
10.2.3.2
EN55022 Conducted Emissions Results
11
Power Supply Recommendations
11.1
Power Supply Decoupling, CS
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
器件和文档支持
13.1
器件支持
13.1.1
第三方产品免责声明
13.2
文档支持
13.2.1
相关文档
13.3
社区资源
13.4
商标
13.5
静电放电警告
13.6
Glossary
14
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
PWP|28
MPDS373B
散热焊盘机械数据 (封装 | 引脚)
PWP|28
PPTD031AA
订购信息
zhcsdj5b_oa
zhcsdj5b_pm
1
特性
电源电压为 12V、THD+N 为 10%、负载为 6Ω 时的功率为 2x10W/通道
电源电压为 13V、THD+N 为 10%、负载为 8Ω 时的功率为 2x10W/通道
高达 90% 的高效 D 类运行(负载为 8Ω),无需散热器
1W/4Ω/1kHz 时的 THD+N < 0.05%
A 加权输出噪声 < 65µV
宽电源电压范围,可在 4.5V 至 14.4V 的范围内工作
无电感运行
抗电磁干扰 (EMI) 性能增强,具备扩展频谱和 1SPW 运行能力
SpeakerGuard™扬声器保护功能包括自动增益限制、可调节功率限制器和直流保护
可靠的引脚至引脚、引脚接地以及引脚至电源短路保护和热保护
4 个可选的固定增益设置
单端或差分模拟输入
启动时无喀哒声和噼啪声