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TLA2021IRUGT

12 位三角积分 ADC，1 通道，3.3kSPS，I2C，内部参考，X2QFN 2x1.5mm，无 PGA，T/R

1380

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制造商零件：

TLA2021IRUGT

包装：

10-X2QFN（2.05 x 1.55 x 0.35 毫米，0.5 毫米间距，无引线）

品牌：
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说明

Texas Instruments 的 TLA2021IRUGT 是一款带 I2C 接口的 12 位 1 通道三角积分 ADC，采用 10 引脚 X2QFN 封装（2.0 x 1.5 mm）。它具有内部电压基准、内部振荡器、差分或单端输入、128 SPS 至 3.3 kSPS 可编程数据速率、150 uA 电源电流、2V 至 5.5V 电源范围以及 3 个引脚可选的 I2C 地址。无 PGA。单次或连续转换模式。典型功耗为 0.3 mW。工作温度 -40C 至 +85C。卷带包装。.

Texas Instruments 的 TLA2021IRUGT 是一款超小型、成本优化型 12 位三角积分 ADC，采用 10 引脚 X2QFN 封装，尺寸仅为 2.0 x 1.5 mm。它是 TLA202x 系列的单通道变体，专为电源电压监控、电池监控和温度测量等系统监控应用而设计。.

TLA2021 提供 12 位分辨率，可编程数据速率为 128 SPS 至 3.3 kSPS。与 TLA2022 和 TLA2024 不同，TLA2021 不包括可编程增益放大器 (PGA)，可直接接受 0 至 VDD（或 +/-VDD/2 差分）范围内的输入信号。内部 2.048V 基准将差分测量的满量程范围设定为 +/-2.048V，或将单端测量的满量程范围设定为 0 至 2.048V。.

该器件集成了电压基准、振荡器和 I2C 接口，无需外部元件。I2C 接口支持标准模式（100 kHz）和快速模式（400 kHz），有三个引脚可选地址（ADDR 引脚与 GND、VDD 或 SDA 绑定），同一 I2C 总线上最多可连接三个 TLA202x 器件。.

Δ-Σ结构通过过采样提供固有的抗锯齿功能，通常无需外部抗锯齿滤波器。转换结果采用 16 位二进制格式，12 位转换结果在 16 位字中左对齐。.

提供两种转换模式：连续转换（设备连续转换并更新结果寄存器）和单次转换（设备执行一次转换后断电）。单次转换模式可显著降低低采样率时的平均功耗。在 128 SPS 的单次模式下，平均电流可低至几微安。.

连续转换时的典型电源电流为 150 uA，3.3V 时的典型功耗为 0.3 mW。2V 至 5.5V 的宽电源范围涵盖 2.5V、3.3V 和 5V 逻辑系统，无需电平转换。.

X2QFN 封装的焊盘面积仅为 3 mm2，使 TLA2021 成为目前最小的 12 位 ADC 之一。这种超小型尺寸使 ADC 可以直接放置在传感器上，从而最大限度地减少敏感模拟线路上的噪声拾取。.

**Δ-Σ模数转换器：** TLA2021 采用Δ-Σ调制器，以远高于输出数据速率的频率对输入进行过采样。调制器产生 1 位数据流，经过数字滤波和抽取后产生 12 位输出字。较高的输出数据速率（高达 3.3 kSPS）由于过采样较少而降低了有效分辨率，而较低的数据速率（128 SPS）则以较低的噪声提供完整的 12 位分辨率。.

**内部基准：** 2.048V 内部基准设定了 ADC 满量程范围。对于差分测量，输入范围为 +/-2.048V。对于单端测量（VIN- 与 GND 连接），输入范围为 0 至 2.048V。外部无法访问基准。.

**无 PGA：** 与 TLA2022 和 TLA2024 不同，TLA2021 没有可编程增益放大器。输入信号必须在 ADC 的满量程范围内。对于小信号测量，需要使用外部放大器，或者使用带有集成 PGA 的 TLA2022/TLA2024。.

**I2C 接口：** 设备作为 I2C 从站。配置寄存器（16 位）控制数据速率、转换模式和输入多路复用器（适用于 TLA2024）。转换结果以 2 个字节（16 位，12 位结果左对齐）读取。当写入 1 时，OS 位开始单次转换，当转换正在进行时，读数为 1。.

**引脚可选地址：** ADDR 引脚可选择三个 I2C 地址之一：GND = 0x48、VDD = 0x49、SDA = 0x4A。这样，同一 I2C 总线上最多可有三个 TLA202x 器件，而不会发生地址冲突。.

针脚 名称 类型 说明
A1 AIN0 I 模拟输入 0；正差分输入；0 至 VDD 范围；连接至传感器信号；不得超过 VDD+0.3V
A2 AIN1 I 模拟输入 1；负差分输入；0 至 VDD 范围；连接至传感器回线或 GND（用于单端测量）；不得超过 VDD+0.3V
B1 接地 G 接地；连接至 PCB 地平面；数字和模拟电路的基准
B2 地址 I I2C 地址选择；GND = 0x48；VDD = 0x49；SDA = 0x4A；必须绑定到三种状态之一；不要保持浮动；决定 I2C 总线上的设备地址
C1 SDA 输入/输出 I2C 数据；漏极开路；需要外部上拉电阻（典型值为 4.7 千欧）；双向；兼容快速模式
C2 SCL I I2C 时钟；需要外部上拉电阻（典型值为 4.7kOhm）；由 I2C 主设备生成；最高 400kHz
D1 警报/警报器 O 警报/就绪输出；低电平有效开漏；当转换完成（单次模式）或输入超过阈值（比较器模式）时断言；如果使用，请连接上拉电阻器
D2 VDD P 电源电压；2V 至 5.5V；使用 0.1uF 陶瓷与引脚附近的 GND 去耦合；为内部基准、调制器和数字逻辑供电
应用 说明
电源电压监控 监控直流总线和轨道电压；2.048V 基准电压通过电阻器分压器覆盖典型逻辑轨道；128 SPS 足以进行监控；I2C 接口连接系统控制器；单次模式可最大限度降低功耗；ALERT 引脚用于超出范围检测
电池电压和电流感应 测量电池电压和电流感应电阻器电压；2V-5.5V 电源与单节锂电池兼容；差分输入用于电流分流测量；150uA 电流消耗；单次模式用于定期监测
温度传感器接口 热敏电阻或 RTD 温度传感器接口；2.048V 基准电压提供稳定的测量；电阻器分压器网络用于热敏电阻偏压；超小型 X2QFN 安装在传感器附近；I2C 连接主 MCU
模型 制造商 兼容性 主要区别
TLA2022IRUGT TI 带 PGA 变体 12 位 1 通道三角积分 ADC，带 PGA（x1 至 x8）；相同的 X2QFN-10 引脚输出；可测量较小的信号；需要直接测量毫伏信号时使用
TLA2024IRUGT TI 4 通道变体 12 位 4 通道 ADC，带 MUX 和 PGA；4 个单端或 2 个差分输入；相同的 X2QFN-10 封装；最高通道密度（0.75mm2/ch）；在必须测量多个传感器时使用
ADS1015IDGSR TI 更高的性能 12 位 4 通道 ADC；3.3 kSPS；PGA；I2C；VSSOP-10；更大封装；更多通道和 PGA；采用更大外形尺寸的 TI 源替代产品
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质量保证

Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

1. Authorized & Genuine Sourcing Promise

All of our electronic components are procured from official authorized distributors and original manufacturers. We strictly reject counterfeits, refurbished parts, disassembled components and gray-market goods. Every product is guaranteed to be brand-new original parts and fully consistent with the original technical parameters. For branded products such as NXP IC series, we maintain complete supply channel documents to realize full product traceability.

2. Strict Full-batch Quality Inspection

We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

3. Industry Standard Compliance

Our products comply with a variety of international industry quality standards to adapt to high-standard application scenarios:
  • 汽车电子: All automotive-grade components pass AEC-Q series certification, featuring excellent stability and durability to adapt to complex vehicle operating environments.
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  • Industrial Control & Consumer Electronics: Products conform to universal international electronic industry standards, suitable for long-term continuous operation of various equipment.

4. Professional Reliability Control

For static-sensitive, moisture-sensitive and precision components such as ICs, PCBs, sensors and connectors, we carry out reliability screening in advance. Combined with standardized ESD anti-static packaging and vacuum moisture-proof packaging, we avoid component damage caused by static electricity, dampness or collision during storage and transportation, and retain the original performance of products.

5. Traceability Management System

We establish a complete product traceability system. Each batch of goods corresponds to independent batch number, sourcing record, inspection record and delivery record. Customers can query the whole lifecycle information of components at any time. This system effectively solves quality risks and facilitates after-sales handling and production quality control for your company.

6. After-sales Quality Guarantee

If any product is confirmed to have non-conformity quality problems due to our reasons after receipt, we provide free return, exchange and supplementary delivery services. Our professional quality team will also conduct root cause analysis to optimize our quality control process. We respond to quality feedback within 24 hours to resolve your worries efficiently.

联系我们

If you have inquiries about our quality standards, inspection procedures or product certification documents, please feel free to contact us:

 

Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

发货与付款

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

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Local pickup service is available for customers in Shenzhen and surrounding areas:
  • Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong Province, China
  • Business Hours: 09:00 – 18:00, Monday to Friday. Closed on weekends and official public holidays.
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Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

服务与包装

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

Core Services

1. One-stop Sourcing & BOM Support

We specialize in a full range of passive and active electronic components, including SMD resistors, power resistors, connectors, aviation connectors, LED beads, flexible circuit boards, printed circuit boards, and integrated circuits. Our professional team provides BOM list consolidation, component matching, and alternative model recommendation services. We support sample orders, small-batch trial production, and mass production orders with flexible MOQs to meet diverse procurement needs.

2. Genuine Product Guarantee & Full-process Quality Inspection

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Our senior engineer team provides free technical consultation, model selection guidance and original manufacturer datasheets. We assist customers in solving problems related to product R&D, circuit design and component application, providing reliable technical support for project progress.

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Relying on our global supply chain network, we professionally source scarce components, obsolete parts and customized special components to efficiently solve your procurement difficulties.

6. Global Logistics & Document Services

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Professional Packaging Standards

Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

1. General Packaging Specifications

  • All components are packed separately to avoid damage caused by friction and collision;
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2. Classified Professional Packaging

  • Anti-static Packaging: Static-sensitive components such as chips, circuit boards and sensors are packaged with anti-static bags, shielding boxes and conductive foam in strict accordance with international anti-static standards to prevent static damage.
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  • Original Factory Packaging: Integrated circuits of brands such as NXP are delivered with original reels, trays or tubes by default, retaining complete original packaging and adapting to automated SMT production lines.
  • Discrete Device Packaging: Discrete devices such as SMD resistors, power resistors and LEDs are quantitatively and classifiedly packaged with accurate quantity and clear marking.
  • Connector / Aviation Connector Packaging: Hard outer packaging is adopted to prevent pin bending and structural deformation.

3. Custom Packaging Services

We provide value-added services including personalized packaging, custom labeling and re-reeling according to customer requirements, fully matching your production and warehouse management standards.

Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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