ZHCSL25
April 2019
PCM1840
PRODUCTION DATA.
1
特性
2
应用
3
说明
简化方框图
4
修订历史记录
5
Pin Configuration and Functions
Pin Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Timing Requirements: TDM, I2S or LJ Interface
6.7
Switching Characteristics: TDM, I2S or LJ Interface
6.8
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Hardware Control
7.3.2
Audio Serial Interfaces
7.3.2.1
Time Division Multiplexed Audio (TDM) Interface
7.3.2.2
Inter IC Sound (I2S) Interface
7.3.2.3
Left-Justified (LJ) Interface
7.3.3
Phase-Locked Loop (PLL) and Clock Generation
7.3.4
Input Channel Configurations
7.3.5
Reference Voltage
7.3.6
Microphone Bias
7.3.7
Signal-Chain Processing
7.3.7.1
Digital High-Pass Filter
7.3.7.2
Configurable Digital Decimation Filters
7.3.7.2.1
Linear Phase Filters
7.3.7.2.1.1
Sampling Rate: 8 kHz or 7.35 kHz
7.3.7.2.1.2
Sampling Rate: 16 kHz or 14.7 kHz
7.3.7.2.1.3
Sampling Rate: 24 kHz or 22.05 kHz
7.3.7.2.1.4
Sampling Rate: 32 kHz or 29.4 kHz
7.3.7.2.1.5
Sampling Rate: 48 kHz or 44.1 kHz
7.3.7.2.1.6
Sampling Rate: 96 kHz or 88.2 kHz
7.3.7.2.1.7
Sampling Rate: 192 kHz or 176.4 kHz
7.3.7.2.2
Low-Latency Filters
7.3.7.2.2.1
Sampling Rate: 16 kHz or 14.7 kHz
7.3.7.2.2.2
Sampling Rate: 24 kHz or 22.05 kHz
7.3.7.2.2.3
Sampling Rate: 32 kHz or 29.4 kHz
7.3.7.2.2.4
Sampling Rate: 48 kHz or 44.1 kHz
7.3.7.2.2.5
Sampling Rate: 96 kHz or 88.2 kHz
7.3.8
Dynamic Range Enhancer (DRE)
7.4
Device Functional Modes
7.4.1
Hardware Shutdown
7.4.2
Active Mode
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
器件和文档支持
11.1
接收文档更新通知
11.2
社区资源
11.3
商标
11.4
静电放电警告
11.5
Glossary
12
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
RTW|24
MPQF167C
散热焊盘机械数据 (封装 | 引脚)
RTW|24
QFND125K
订购信息
zhcsl25_oa
10.2
Layout Example
Figure 54.
Example Layout