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Product Overview
The AFE4404YZPT from Texas Instruments is a highly integrated analog front-end (AFE) designed for optical biosensing applications, particularly photoplethysmography (PPG) for heart rate monitoring and SpO2 measurement. Housed in a compact 15-ball DSBGA package, it features four low-noise, 24-bit current-input channels with integrated LED drivers, making it ideal for wearable health devices.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Channels |
4 |
| Resolution |
24 bits |
| Input Current Noise |
10 pA/√Hz (typical) |
| LED Current per Channel |
Up to 100 mA |
| Supply Voltage |
1.8 V (analog), 1.8 V/3.3 V (digital) |
| Interface |
SPI |
| Package |
15-DSBGA (2.0 mm × 2.5 mm) |
| Operating Temperature |
-40°C to +85°C |
Key Features
- Four independent channels for multi-wavelength PPG
- Integrated LED drivers with programmable current
- Low noise and high dynamic range
- Flexible timing controller for synchronous measurements
- Ultra-small package for space-constrained designs
- Low power consumption: 1.5 mW (typical)
Target Applications
- Wearable fitness trackers (e.g., Fitbit Charge 5)
- Smartwatches with heart rate monitoring (e.g., Apple Watch Series 8)
- Medical pulse oximeters (e.g., Masimo Rad-67)
- Non-invasive glucose monitors
- Stress and fatigue detection systems
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
AFE4404YZPT. 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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HK-SZ Synergy, Flexible Settlement: Direct global shipping from
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
AFE4404YZPT 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,特別是光電容積脈搏波(PPG)心率監測和血氧飽和度(SpO2)測量。它採用緊湊的15球DSBGA封裝,具有四個低噪聲、24位電流輸入通道和集成LED驅動器,非常適合可穿戴健康設備。
詳細技術參數
| 參數 |
數值 |
| 通道數 |
4 |
| 分辨率 |
24位 |
| 輸入電流噪聲 |
10 pA/√Hz(典型值) |
| 每通道LED電流 |
最高100 mA |
| 供電電壓 |
1.8 V(模擬),1.8 V/3.3 V(數字) |
| 接口 |
SPI |
| 封裝 |
15-DSBGA(2.0 mm × 2.5 mm) |
| 工作溫度 |
-40°C 至 +85°C |
核心特性
- 四個獨立通道,支持多波長PPG
- 集成LED驅動器,可編程電流
- 低噪聲和高動態範圍
- 靈活的時序控制器,支持同步測量
- 超小封裝,適合空間受限的設計
- 低功耗:典型值1.5 mW
典型應用場景
- 可穿戴健身追踪器(例如 Fitbit Charge 5)
- 帶心率監測的智能手錶(例如 Apple Watch Series 8)
- 醫療脈搏血氧儀(例如 Masimo Rad-67)
- 無創血糖監測儀
- 壓力和疲勞檢測系統
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 AFE4404YZPT 提供全面的供應鏈與批發解決方案。
我們的核心優勢包括:
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全天候環球客戶支援:專業團隊為您提供即時報價及技術支援,無需漫長等待。
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品質保證與合規
Jasin Chip 承諾所有出貨產品均為原廠正貨,具備完善的品質保證及產品可追溯性。
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100% 原廠正貨:承諾所有供應零件均為原裝現貨,品質嚴格把關,來源清晰可追溯。
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原廠封裝保護:嚴格保留原廠原始包裝及封條,確保物流過程中的靜電防護 (ESD) 與物理安全。
以上產品均為原廠正貨,提供 BOM 配單及現貨庫存支援,歡迎查詢。
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