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Product Overview
The AFE4405YZR from Texas Instruments is a highly integrated analog front-end (AFE) designed for optical biosensing applications, such as heart rate monitoring and pulse oximetry. It features three low-noise, 24-bit analog-to-digital converters (ADCs) with programmable gain and a flexible LED driver. Housed in a compact 30-ball DSBGA package, it is ideal for wearable and portable health devices.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Channels |
3 |
| ADC Resolution |
24 bits |
| Sampling Rate |
Up to 4 kSPS |
| Input Noise |
10 µVpp (typical) |
| LED Driver Current |
Up to 100 mA |
| Supply Voltage |
1.8 V (analog), 1.8 V/3.3 V (digital) |
| Power Consumption |
0.5 mW (typical) |
| Operating Temperature |
-40°C to +85°C |
| Package |
30-DSBGA (2.0 mm x 2.5 mm) |
Key Features
- Three 24-bit, low-noise ADCs for simultaneous signal acquisition
- Integrated LED driver with programmable current up to 100 mA
- Flexible timing controller for synchronous sensor operation
- Low power consumption: 0.5 mW typical
- I2C and SPI interface for data communication
- Small footprint: 30-ball DSBGA (2.0 mm x 2.5 mm)
Target Applications
- Wearable fitness trackers (e.g., Fitbit Charge 5)
- Smartwatches with heart rate monitoring (e.g., Apple Watch Series 8)
- Pulse oximeters for clinical and home use
- Non-invasive blood pressure monitors
- Optical biosensing modules for IoT health devices
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
AFE4405YZR. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
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In-stock Inventory, Same-day Shipping: We maintain localized stock;
orders confirmed before 4 PM are shipped the same day.
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Shenzhen with support for HK bank transfers and multi-currency.
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Escrow Secured Transactions: We support Escrow.com for secure
transactions, ensuring peace of mind for batch orders.
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BOM Kitting & Sampling Services: Specialized sourcing for
testing samples and urgent shortage components.
Quality Assurance & Compliance
Jasin Chip guarantees that all delivered products are 100% original factory stock
with full quality assurance and traceability.
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100% Original & Authentic: All components are guaranteed to
be authentic with strict quality control.
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RoHS Compliant: All electronic components comply with international
environmental and safety standards.
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Original Factory Packaging: We maintain original factory packaging
and seals to ensure ESD protection and physical integrity.
產品概述
AFE4405YZR 是德州儀器(TI)推出的一款高度集成的模擬前端(AFE),專為光學生物傳感應用設計,如心率監測和脈搏血氧測量。它包含三個低噪聲、24位模數轉換器(ADC),具有可編程增益和靈活的LED驅動器。採用緊湊的30球DSBGA封裝,非常適合可穿戴和便攜式健康設備。
詳細技術參數
| 參數 |
數值 |
| 通道數 |
3 |
| ADC 分辨率 |
24 位 |
| 採樣率 |
最高 4 kSPS |
| 輸入噪聲 |
10 µVpp(典型值) |
| LED 驅動電流 |
最高 100 mA |
| 電源電壓 |
1.8 V(模擬),1.8 V/3.3 V(數字) |
| 功耗 |
0.5 mW(典型值) |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
30-DSBGA(2.0 mm x 2.5 mm) |
核心特性
- 三個 24 位低噪聲 ADC,可同時採集信號
- 集成 LED 驅動器,可編程電流最高 100 mA
- 靈活的定時控制器,支持同步傳感器操作
- 低功耗:典型值 0.5 mW
- I2C 和 SPI 接口用於數據通信
- 小尺寸:30 球 DSBGA(2.0 mm x 2.5 mm)
典型應用場景
- 可穿戴健身追蹤器(例如 Fitbit Charge 5)
- 帶心率監測的智能手錶(例如 Apple Watch Series 8)
- 臨床和家庭用脈搏血氧儀
- 無創血壓監測設備
- 物聯網健康設備的光學生物傳感模塊
環球供應鏈與批發合作夥伴方案
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我們的核心優勢包括:
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