JAJSOU4C
November 2011 – June 2022
TPA2015D1
PRODUCTION DATA
1
特長
2
アプリケーション
3
説明
4
Revision History
5
Device Comparison Table
6
Pin Configuration and 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
Operating 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
SpeakerGuard™ Theory of Operation
9.3.1.1
SpeakerGuard™ With Varying Input Levels
9.3.1.2
Battery Tracking SpeakerGuard™
9.3.2
Fully Differential Class-D Amplifier
9.3.2.1
Advantages of Fully Differential Amplifiers
9.3.2.2
Improved Class-D Efficiency
9.3.3
Adaptive Boost Converter
9.3.3.1
Boost Converter Overvoltage Protection
9.3.4
Operation With DACs and CODECs
9.3.5
Filter Free Operation and Ferrite Bead Filters
9.3.6
Speaker Load Limitation
9.3.7
Fixed Gain Setting
9.4
Device Functional Modes
9.4.1
Shutdown Mode
9.4.2
Battery Tracking SpeakerGuard™ Operation
10
Application and Implementation
10.1
Application Information
10.2
Typical Applications
10.2.1
TPA2015D1 With Differential Input Signals
10.2.1.1
Design Requirements
10.2.1.2
Detailed Design Procedure
10.2.1.2.1
Boost Converter Inductor Selection
10.2.1.2.1.1
Inductor Equations
10.2.1.2.2
Boost Converter Capacitor Selection
10.2.1.2.3
Components Location and Selection
10.2.1.2.3.1
Decoupling Capacitors
10.2.1.2.3.2
Input Capacitors
10.2.1.3
Application Curves
10.2.2
TPA2015D1 with Single-Ended Input Signals
10.2.2.1
Design Requirements
10.2.2.2
Detailed Design Procedure
10.2.2.3
Application Curves
11
Power Supply Recommendations
11.1
Power Supply Decoupling Capacitors
12
Layout
12.1
Layout Guidelines
12.1.1
Component Placement
12.1.2
Trace Width
12.1.3
Pad Size
12.2
Layout Example
13
Device and Documentation Support
13.1
Device Support
13.1.1
Device Nomenclature
13.1.1.1
TPA2015D1 Glossary
13.1.1.2
Boost Terms
13.2
Community Resources
13.3
Trademarks
14
Mechanical, Packaging, and Orderable Information
14.1
Package Option Addendum
14.1.1
Packaging Information
14.1.2
Tape and Reel Information
1
特長
バッテリ・トラッキング機能を強化した SpeakerGuard
TM
自動ゲイン制御 (AGC) を内蔵
バッテリ消費電流の制限
オーディオ・クリッピングを防止
3.6V 電源から 8Ω 負荷へ 2W を供給 (6% THD)
アダプティブ昇圧コンバータを内蔵
低出力電力時の効率を向上
3.6V で 1.7mA の低静止電流
2.5V~5.2V で動作
熱保護および短絡保護機能、自動回復機能付き
3 つのゲイン設定:6dB、15.5dB、20dB
昇圧と Class-D の独立制御
TPA2013D1 とピン互換
1.954mm × 1.954mm の 16 ボール DSBGA パッケージで供給