• Menu
  • Product
  • Email
  • PDF
  • Order now
  • PCM3070 具有嵌入式 miniDSP 的立体声音频编解码器

    • ZHCS094A September   2008  – November 2014 PCM3070

      PRODUCTION DATA.  

  • CONTENTS
  • SEARCH
  • PCM3070 具有嵌入式 miniDSP 的立体声音频编解码器
  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 LP38690 的
  5. 5 修订历史记录
  6. 6 Device Comparison Table
  7. 7 Pin Configuration and Functions
  8. 8 Specifications
    1. 8.1  Absolute Maximum Ratings
    2. 8.2  Handling Ratings
    3. 8.3  Recommended Operating Conditions
    4. 8.4  Thermal Information
    5. 8.5  Electrical Characteristics, ADC
    6. 8.6  Electrical Characteristics, Bypass Outputs
    7. 8.7  Electrical Characteristics, Audio DAC Outputs
    8. 8.8  Electrical Characteristics, LDO
    9. 8.9  Electrical Characteristics, Misc.
    10. 8.10 Electrical Characteristics, Logic Levels
    11. 8.11 I2S LJF and RJF Timing in Master Mode (see )
    12. 8.12 I2S LJF and RJF Timing in Slave Mode (see )
    13. 8.13 DSP Timing in Master Mode (see )
    14. 8.14 DSP Timing in Slave Mode (see )
    15. 8.15 I2C Interface Timing
    16. 8.16 SPI Interface Timing (See )
    17. 8.17 Typical Characteristics
      1. 8.17.1 Typical Performance
      2. 8.17.2 Typical Characteristics, FFT
  9. 9 Parameter Measurement Information
  10. 10Detailed Description
    1. 10.1 Overview
    2. 10.2 Functional Block Diagram
    3. 10.3 Feature Description
      1. 10.3.1 Device Connections
        1. 10.3.1.1 Digital Pins
          1. 10.3.1.1.1 Multifunction Pins
        2. 10.3.1.2 Analog Pins
      2. 10.3.2 Analog Audio I/O
        1. 10.3.2.1 Analog Bypass
        2. 10.3.2.2 ADC Bypass Using Mixer Amplifiers
        3. 10.3.2.3 Headphone Output
        4. 10.3.2.4 Line Outputs
      3. 10.3.3 ADC
        1. 10.3.3.1 ADC Processing
          1. 10.3.3.1.1 ADC Processing Blocks
      4. 10.3.4 DAC
        1. 10.3.4.1 DAC Processing Blocks — Overview
      5. 10.3.5 Digital Audio IO Interface
      6. 10.3.6 Clock Generation and PLL
      7. 10.3.7 Control Interfaces
        1. 10.3.7.1 I2C Control
        2. 10.3.7.2 SPI Control
    4. 10.4 Device Functional Modes
      1. 10.4.1 MiniDSP
      2. 10.4.2 Software
    5. 10.5 Register Map
      1. 10.5.1 Register Map Summary
  11. 11Application and Implementation
    1. 11.1 Application Information
    2. 11.2 Typical Application
      1. 11.2.1 Design Requirements
        1. 11.2.1.1 Reference Filtering Capacitor
      2. 11.2.2 Detailed Design Procedures
        1. 11.2.2.1 Analog Input Connection
        2. 11.2.2.2 Analog Output Connection
      3. 11.2.3 Application Curves
  12. 12Power Supply Recommendations
  13. 13Layout
    1. 13.1 Layout Guidelines
    2. 13.2 Layout Example
  14. 14器件和文档支持
    1. 14.1 文档支持
      1. 14.1.1 相关文档
    2. 14.2 商标
    3. 14.3 静电放电警告
    4. 14.4 Glossary
  15. 15机械封装和可订购信息
  16. 重要声明
search No matches found.
  • Full reading width
    • Full reading width
    • Comfortable reading width
    • Expanded reading width
  • Card for each section
  • Card with all content

 

DATA SHEET

PCM3070 具有嵌入式 miniDSP 的立体声音频编解码器

本资源的原文使用英文撰写。 为方便起见,TI 提供了译文;由于翻译过程中可能使用了自动化工具,TI 不保证译文的准确性。 为确认准确性,请务必访问 ti.com 参考最新的英文版本(控制文档)。

1 特性

  • 信噪比 (SNR) 为 100dB 的立体声音频数模转换器 (DAC)
  • SNR 为 93dB 的立体声音频模数转换器 (ADC)
  • 丰富的信号处理选项
  • 嵌入式 miniDSP
  • 6 个单端或 3 个全差分模拟输入
  • 立体声双耳式耳机输出
  • 立体声线路输出
  • 超低噪声可编程增益放大器 (PGA)
  • 模拟旁路模式
  • 可编程锁相环 (PLL)
  • 集成型低压降稳压器 (LDO)
  • 5mm x 5mm、32 引脚四方扁平无引线 (QFN) 封装

2 应用

  • 条形音箱
  • 平板电视
  • MP3 坞站
  • 蜂窝电话坞站
  • 其他立体声或 2.1 家用音频系统

3 说明

PCM3070 是一款灵活的立体声音频编解码器,配有可编程输入和输出、完全可编程 miniDSP、固定式预定义和可参数化信号处理块、集成式 PLL、集成式 LDO 以及灵活的数字接口。

器件信息(1)

器件型号 封装 封装尺寸(标称值)
PCM3070 超薄四方扁平无引线 (VQFN) (32) 5.00mm x 5.00mm
  1. 要了解所有可用封装,请见数据表末尾的可订购产品附录。

4 LP38690 的

PCM3070 sim_bd_las724.gif

5 修订历史记录

Changes from * Revision (February 2011) to A Revision

  • 已添加引脚配置和功能部分,处理额定值表,特性 描述 部分,器件功能模式,应用和实现部分,电源相关建议部分,布局部分,器件和文档支持部分以及机械、封装和可订购信息部分Go

6 Device Comparison Table

PART NUMBER DESCRIPTION
PCM3070 Stereo audio codec with embedded miniDSP

7 Pin Configuration and Functions

This document describes signals that take on different names depending on how they are configured. In such cases, the different names are placed together and separated by slash (/) characters. For example, "SCL/SS". Active low signals are represented by overbars.

QFN Package
(Bottom View)
PCM3070 rhb_po_las724.gif

Pin Functions

PIN NAME TYPE(1) DESCRIPTION
1 MCLK DI Master Clock Input
2 BCLK DIO Audio serial data bus (primary) bit clock
3 WCLK DIO Audio serial data bus (primary) word clock
4 DIN DI Primary function:
Audio serial data bus data input
MFP1 Secondary function:
General Purpose Clock Input
General Purpose Input
5 DOUT DO Primary function:
Audio serial data bus data output
MFP2 Secondary function:
General Purpose Output
Clock Output
INT1 Output
INT2 Output
Audio serial data bus (secondary) bit clock output
Audio serial data bus (secondary) word clock output
6 IOVDD Power IO voltage supply 1.1V – 3.6V
7 IOVSS Ground IO ground supply
8 SCLK DI Primary function: (SPI_Select = 1)
/ SPI serial clock
MFP3 Secondary function: (SPI_Select = 0)
Audio serial data bus (secondary) bit clock input
Audio serial data bus (secondary) DAC or common word clock input
Audio serial data bus (secondary) ADC word clock input
Audio serial data bus (secondary) data input
General Purpose Input
9 SCL/SS DI I2C interface serial clock (SPI_Select = 0)
SPI interface mode chip-select signal (SPI_Select = 1)
10 SDA/MOSI DI I2C interface mode serial data input (SPI_Select = 0)
SPI interface mode serial data input (SPI_Select = 1)
11 MISO DO Primary function: (SPI_Select = 1)
/ Serial data output
MFP4 Secondary function: (SPI_Select = 0)
General purpose output
CLKOUT output
INT1 output
INT2 output
Audio serial data bus (primary) ADC word clock output
Audio serial data bus (secondary) data output
Audio serial data bus (secondary) bit clock output
Audio serial data bus (secondary) word clock output
12 SPI_ SELECT DI Control mode select pin ( 1 = SPI, 0 = I2C )
13 IN1_L AI Multifunction Analog Input,
or Single-ended configuration: Line 1 left
or Differential configuration: Line right, negative
14 IN1_R AI Multifunction Analog Input,
or Single-ended configuration: or Line 1 right
or Differential configuration: Line right, positive
15 IN2_L AI Multifunction Analog Input,
or Single-ended configuration: Line 2 left
or Differential configuration: Line left, positive
16 IN2_R AI Multifunction Analog Input,
or Single-ended configuration: Line 2 right
or Differential configuration: Line left, negative
17 AVSS Ground Analog ground supply
18 REF AO Reference voltage output for filtering
19 NC -- NC, do not connect
20 IN3_L AI Multifunction Analog Input,
or Single-ended configuration: Line 3 left,
or Differential configuration: Line left, positive,
or Differential configuration: Line right, negative
21 IN3_R AI Multifunction Analog Input,
or Single-ended configuration: Line 3 right,
or Differential configuration: Line left, negative,
or Differential configuration: Line right, positive
22 LOL AO Left line output
23 LOR AO Right line output
24 AVDD Power Analog voltage supply 1.5V–1.95V
Input when A-LDO disabled,
Filtering output when A-LDO enabled
25 HPL AO Left high power output driver
26 LDOIN/HPVDD Power LDO Input supply and Headphone Power supply 1.9V– 3.6V
27 HPR AO Right high power output driver
28 DVSS Ground Digital Ground and Chip-substrate
29 DVDD Power If LDO_SELECT Pin = 0 (D-LDO disabled)
Digital voltage supply 1.26V – 1.95V
 If LDO_SELECT Pin = 1 (D-LDO enabled)
Digital voltage supply filtering output
30 LDO_ SELECT DI D-LDO enable signal (1 = D-LDO enable, 0 = D-LDO disabled)
31 RESET DI Reset (active low)
32 GPIO DI Primary function:
General Purpose digital IO
MFP5 Secondary function:
CLKOUT Output
INT1 Output
INT2 Output
Audio serial data bus ADC word clock output
Audio serial data bus (secondary) bit clock output
Audio serial data bus (secondary) word clock output
Thermal Pad Thermal Pad N/A Connect to PCB ground plane. Not internally connected.
(1) DI (Digital Input), DO (Digital Output), DIO (Digital Input/Output), AI (Analog Input), AO (Analog Output), AIO (Analog Input/Output)

 

Texas Instruments

© Copyright 1995-2025 Texas Instruments Incorporated. All rights reserved.
Submit documentation feedback | IMPORTANT NOTICE | Trademarks | Privacy policy | Cookie policy | Terms of use | Terms of sale