WMSIC Electronic Components

RENESAS DA7212-01UM2 DA7212

ModelDA7212-01UM2
PackageCSP-34(4.5x1.66)
BrandRENESAS
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration Option 160220

Availability on request

Technical data

Product details

19 specifications

Core information

Product name
RENESAS DA7212-01UM2
Type
RENESAS
Minimum package
4500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RENESAS
Electronic Component
DA7212-01UM2
Electronic Component
1
Package
CSP-34(4.5x1.66)
Type
Decoder
Electronic Component
Audio Interface IC
Electronic Component
0.001g
Electronic Component
1
Sampling
8kHz~96kHz
Features
Built-in
Electronic Component
BM0257645945
Operating Temperature
40℃~+85℃
Operating Voltage
1.6V~2.65V
Interface Type
I2C;I2S
Electronic Component
Electronic Component

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

DA7212-01UM2 产品概述

一、概述

DA7212-01UM2 是一款面向便携和嵌入式音频应用的低电压音频编解码器,品牌为 RENESAS(瑞萨)。器件采用极小型 34 引脚 CSP 封装(4.5 × 1.66 mm),集成音频 ADC/DAC 和必要的模拟前端,支持 I2C 控制总线与 I2S 数字音频接口,可在 8 kHz 至 96 kHz 采样率范围内工作。器件工作电压范围为 1.6 V 至 2.65 V,工业级工作温度 -40 ℃ 至 +85 ℃,适合对尺寸、功耗和环境可靠性有较高要求的产品。

二、主要功能与特性

  • 支持 I2C(控制寄存器配置)与 I2S(音频数据传输)双接口,便于与主处理器或 DSP 集成。
  • 采样率覆盖 8 kHz~96 kHz,满足语音、宽带音频与高保真音频应用需求。
  • 宽工作电压 1.6 V~2.65 V,适用于低压电源系统与移动设备。
  • 工业级温度范围 -40 ℃~+85 ℃,具备良好环境适应性。
  • 紧凑 34-CSP 封装(4.5×1.66 mm),有利于空间受限的 PCB 设计与多通道阵列部署。

(注:以上规格基于提供的基础参数,具体器件特性如 THD+N、SNR、通道数、增益范围、模拟输入/输出配置等,请参见厂商完整数据手册以获得准确数值。)

三、典型应用场景

  • 移动终端与穿戴设备:由于低压与小封装,适合蓝牙耳机、智能手表、便携媒体播放器等。
  • 语音终端与会议系统:支持窄带与宽带采样率,可用于语音拾音、回声消除前端。
  • 物联网与嵌入式多媒体节点:节省空间和功耗,便于远程音频采集和传输。
  • 工业与车载信息娱乐系统:工业级温度保证在恶劣环境下可靠工作。

四、设计与布局建议

  • 电源与去耦:在 VDD 引脚附近放置 0.1 μF 与 1 μF 陶瓷电容并联去耦,尽量靠近器件引脚布置,减小电源阻抗。
  • 接地策略:采用连续接地平面,模拟与数字地在 PCB 层合理分离并在单点处汇流,避免噪声耦合。
  • 时钟与 I2S 接口:使用清洁的时钟源并优化时钟走线,避免高速音频时钟与敏感模拟信号平行布线。
  • 模拟接口:模拟输入/输出走短线并尽量远离开关电源和高频信号线,必要时加入差分或屏蔽策略。
  • 封装处理:CSP-34 的焊盘和热量管理需严格遵循厂商推荐的 PCB land pattern 与回流工艺,确保焊接可靠性。

五、封装与可制造性

器件封装为 CSP-34(尺寸 4.5 × 1.66 mm),适合高密度 PCB 与自动化贴装。CSP 封装对 PCB pad、锡膏印刷和回流曲线要求较高,建议在样片评估阶段与制造商/代工厂确认焊接工艺参数及检验流程。

六、采购与资料建议

在开展产品设计前,建议向 RENESAS 获取 DA7212-01UM2 的完整数据手册、参考原理图、布局指南和评估板资料,明确器件引脚功能、时序、电气特性和寄存器配置,以便完成可靠的硬件实现与软件驱动开发。若需更精确的性能指标(如噪声、失真、通道数、功耗曲线),请以厂商正式文件为准。

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