ZHCSPD9A
April 2022 – September 2022
PCM1822-Q1
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
Thermal Information
7.4
Electrical Characteristics
7.5
Timing Requirements: TDM, I2S or LJ Interface
7.6
Switching Characteristics: TDM, I2S or LJ Interface
7.7
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Hardware Control
8.3.2
Audio Serial Interfaces
8.3.2.1
Time Division Multiplexed Audio (TDM) Interface
8.3.2.2
Inter IC Sound (I2S) Interface
8.3.3
Phase-Locked Loop (PLL) and Clock Generation
8.3.4
Input Channel Configurations
8.3.5
Reference Voltage
8.3.6
Signal-Chain Processing
8.3.6.1
Digital High-Pass Filter
8.3.6.2
Configurable Digital Decimation Filters
8.3.6.2.1
Linear Phase Filters
8.3.6.2.1.1
Sampling Rate: 8 kHz or 7.35 kHz
8.3.6.2.1.2
Sampling Rate: 16 kHz or 14.7 kHz
8.3.6.2.1.3
Sampling Rate: 24 kHz or 22.05 kHz
8.3.6.2.1.4
Sampling Rate: 32 kHz or 29.4 kHz
8.3.6.2.1.5
Sampling Rate: 48 kHz or 44.1 kHz
8.3.6.2.1.6
Sampling Rate: 96 kHz or 88.2 kHz
8.3.6.2.1.7
Sampling Rate: 192 kHz or 176.4 kHz
8.3.6.2.2
Low-Latency Filters
8.3.6.2.2.1
Sampling Rate: 16 kHz or 14.7 kHz
8.3.6.2.2.2
Sampling Rate: 24 kHz or 22.05 kHz
8.3.6.2.2.3
Sampling Rate: 32 kHz or 29.4 kHz
8.3.6.2.2.4
Sampling Rate: 48 kHz or 44.1 kHz
8.3.6.2.2.5
Sampling Rate: 96 kHz or 88.2 kHz
8.3.7
Dynamic Range Enhancer (DRE)
8.4
Device Functional Modes
8.4.1
Active Mode
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
接收文档更新通知
12.2
支持资源
12.3
Trademarks
12.4
Electrostatic Discharge Caution
12.5
术语表
13
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
RTE|20
MPQF596
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcspd9a_oa
zhcspd9a_pm
1
特性
立体声高性能 ADC:
2 通道模拟麦克风输入或线路输入
ADC 线路和麦克风差分和单端输入性能:
PCM1822-Q1 动态范围:
117 dB,启用动态范围增强器
111 dB,禁用动态范围增强器
THD+N:-95 dB
1V
RMS
满量程输入
ADC 采样率 (f
S
) = 8 kHz 至 192 kHz
硬件引脚控制配置
线性相位或低延迟滤波器可选
灵活的音频串行数据接口:
主或从接口可选
32 位、2 通道 TDM
32 位、2 通道 I
2
S
音频时钟丢失时自动断电
集成高性能音频 PLL
单电源运行:3.3V
I/O 电源运行:3.3V 或 1.8V
3.3V AVDD 电源电压下的功耗:
16 kHz 采样率下为 19.6 mW/通道
48 kHz 采样率下为 21.3 mW/通道