ZHCSKF7A
May 2019 – January 2023
TAS5825P
PRODUCTION DATA
1
特性
2
应用
3
说明
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
Timing Requirements
7.7
Typical Characteristics
7.7.1
Bridge Tied Load (BTL) Configuration Curves with Hybrid Modulation
7.7.2
Parallel Bridge Tied Load (PBTL) Configuration With Hybrid Modulation
7.7.3
Bridge Tied Load (BTL) Configuration Curves with BD Modulation
7.7.4
Parallel Bridge Tied Load (PBTL) Configuration With BD Modulation
8
Parameter Measurement Information
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Power Supplies
9.3.2
Device Clocking
9.3.3
Serial Audio Port – Clock Rates
9.3.4
Clock Halt Auto-Recovery
9.3.5
Sample Rate on the Fly Change
9.3.6
Serial Audio Port - Data Formats and Bit Depths
9.3.7
Digital Audio Processing
9.3.8
Class-D Audio Amplifier
9.3.8.1
Speaker Amplifier Gain Select
9.3.8.2
Class D Loop Bandwidth and Switching Frequency Setting
9.4
Device Functional Modes
9.4.1
Software Control
9.4.2
Speaker Amplifier Operating Modes
9.4.2.1
BTL Mode
9.4.2.2
PBTL Mode
9.4.3
Low EMI Modes
9.4.3.1
Spread Spectrum
9.4.3.2
Channel to Channel Phase Shift
9.4.3.3
Multi-Devices PWM Phase Synchronization
9.4.3.3.1
Phase Synchronization With I2S Clock In Startup Phase
9.4.3.3.2
Phase Synchronization With GPIO
9.4.4
Thermal Foldback
9.4.5
Device State Control
9.4.6
Device Modulation
9.4.6.1
BD Modulation
9.4.6.2
1SPW Modulation
9.4.6.3
Hybrid Modulation
9.5
Programming and Control
9.5.1
I2 C Serial Communication Bus
9.5.2
I2 C Peripheral Address
9.5.2.1
Random Write
9.5.2.2
Sequential Write
9.5.2.3
Random Read
9.5.2.4
Sequential Read
9.5.2.5
DSP Memory Book, Page and BQ update
9.5.2.6
Checksum
9.5.2.6.1
Cyclic Redundancy Check (CRC) Checksum
9.5.2.6.2
Exclusive or (XOR) Checksum
9.5.3
Control via Software
9.5.3.1
Startup Procedures
9.5.3.2
Shutdown Procedures
9.5.3.3
Protection and Monitoring
9.5.3.3.1
Overcurrent Limit (Cycle-By-Cycle)
9.5.3.3.2
Overcurrent Shutdown (OCSD)
9.5.3.3.3
DC Detect
9.6
Register Maps
9.6.1
CONTROL PORT Registers
10
Application and Implementation
10.1
Application Information
10.1.1
Bootstrap Capacitors
10.1.2
Inductor Selections
10.1.3
Power Supply Decoupling
10.1.4
Output EMI Filtering
10.2
Typical Applications
10.2.1
2.0 (Stereo BTL) System
10.2.2
79
10.2.3
Design Requirements
10.2.4
Detailed Design procedures
10.2.4.1
Step One: Hardware Integration
10.2.4.2
Step Two: Hardware Integration
10.2.4.3
Step Three: Software Integration
10.2.5
Application Curves
10.2.6
MONO (PBTL) Systems
10.2.7
Application Curves
10.3
Power Supply Recommendations
10.3.1
DVDD Supply
10.3.2
PVDD Supply
10.4
Layout
10.4.1
Layout Guidelines
10.4.1.1
General Guidelines for Audio Amplifiers
10.4.1.2
Importance of PVDD Bypass Capacitor Placement on PVDD Network
10.4.1.3
Optimizing Thermal Performance
10.4.1.3.1
Device, Copper, and Component Layout
10.4.1.3.2
Stencil Pattern
10.4.1.3.2.1
PCB footprint and Via Arrangement
10.4.1.3.2.2
Solder Stencil
10.4.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
Device Nomenclature
11.1.2
Development Support
11.2
Receiving Notification of Documentation Updates
11.3
支持资源
11.4
Trademarks
11.5
静电放电警告
11.6
术语表
12
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
RHB|32
MPQF130D
散热焊盘机械数据 (封装 | 引脚)
RHB|32
QFND029X
订购信息
zhcskf7a_oa
zhcskf7a_pm
1
特性
采用 Hybrid-Pro 的高效 D 类操作:
与固定电源电压解决方案相比,电池寿命延长约 50%
电源效率高于 90%,R
DS(on)
为 90mΩ
低静态电流,12V PVDD 时小于 20mA
支持多路输出配置:
1 × 53W,1.0 模式(4Ω,22V,THD+N=1%)
1 × 65W,1.0 模式(4Ω,22V,THD+N=10%)
2 × 30W,2.0 模式(8Ω,24V,THD+N=1%)
2 × 38W,2.0 模式(8Ω,24V,THD+N=10%)
优异的音频性能:
1W、1kHz、PVDD = 12V 的条件下,THD + N ≤ 0.03%
SNR ≥ 110dB(A 加权),ICN ≤ 35 µVRMS
灵活的音频 I/O:
支持 32、44.1、48、88.2、96kHz 采样率
支持 I
2
S、LJ、RJ、TDM 格式
支持三线制数字音频接口
灵活处理特性:
3 频带高级 DRC + AGL,2 × 15 BQ
PVDD 检测可避免电压轨下降时的削波失真
高达 4ms 的前向延迟缓冲器,用于 Hybrid-Pro 算法音频信号跟踪
可选 8 或 16 个 Hybrid-Pro 直流/直流控制阶跃,最大峰值采样保持时间为 10ms
灵活的电源配置:
PVDD:4.5V 至 26.4V
DVDD 和 I/O:1.8V 或 3.3V
出色的集成式自保护功能:
过流错误 (OCE)
逐周期电流限制
过热警告 (OTW)
过热错误 (OTE)
欠压/过压锁定(UVLO、OVLO)
可轻松进行系统集成:
I
2
C 软件控制
减小了解决方案的尺寸:
小型 5 x 5mm 封装
与开环 D 类器件相比,所需的无源器件更少
大多数应用都不需要体积较大的电解电容器或大型电感器