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Product Overview
The AFE4950YBGR from Texas Instruments is a highly integrated, low-power analog front-end (AFE) designed for multi-channel sensor applications. It features four independent signal chains, each comprising a low-noise amplifier (LNA), programmable gain amplifier (PGA), and a 24-bit delta-sigma ADC. The device operates from a single 1.8V supply and is housed in a compact 36-ball DSBGA package (2.63mm x 2.46mm). With a maximum data rate of 8 kSPS per channel, it is ideal for precision measurement in industrial and medical systems.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Channels |
4 |
| Resolution |
24 bits |
| Data Rate (per channel) |
Up to 8 kSPS |
| Input Voltage Range |
±VREF (VREF up to 2.5V) |
| Gain (PGA) |
1 to 128 (programmable) |
| Supply Voltage |
1.7V to 1.9V (1.8V typical) |
| Power Consumption |
4.5 mW (typical, all channels active) |
| Package |
36-DSBGA (2.63mm x 2.46mm) |
| Operating Temperature |
-40°C to +125°C |
Key Features
- Four independent 24-bit delta-sigma ADCs with integrated PGA
- Low noise: 1.5 µVpp (G=128, 10 Hz bandwidth)
- Programmable data rate from 0.125 kSPS to 8 kSPS
- Internal voltage reference (2.5V) with low drift
- SPI-compatible serial interface
- Built-in temperature sensor and diagnostic features
- Ultra-small package for space-constrained designs
Target Applications
- Industrial process control (e.g., pressure transmitters, temperature sensors)
- Medical instrumentation (e.g., patient monitoring, ECG/EKG systems)
- Portable measurement devices (e.g., handheld multimeters, data loggers)
- 5G base station power monitoring (e.g., current/voltage sensing)
- Automotive battery management systems (e.g., cell voltage monitoring)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
AFE4950YBGR. 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
AFE4950YBGR 是德州儀器(TI)推出的一款高度集成、低功耗的模擬前端(AFE),專為多通道傳感器應用設計。它包含四個獨立的信號鏈,每個信號鏈由低噪聲放大器(LNA)、可編程增益放大器(PGA)和 24 位 Δ-Σ ADC 組成。該器件可在 1.8V 單電源下工作,採用緊湊的 36 球 DSBGA 封裝(2.63mm x 2.46mm)。每通道最高數據速率為 8 kSPS,非常適合工業和醫療系統中的精密測量。
詳細技術參數
| 參數 |
數值 |
| 通道數 |
4 |
| 分辨率 |
24 位 |
| 數據速率(每通道) |
最高 8 kSPS |
| 輸入電壓範圍 |
±VREF(VREF 最高 2.5V) |
| 增益(PGA) |
1 至 128(可編程) |
| 供電電壓 |
1.7V 至 1.9V(典型 1.8V) |
| 功耗 |
4.5 mW(典型,所有通道工作) |
| 封裝 |
36-DSBGA(2.63mm x 2.46mm) |
| 工作溫度 |
-40°C 至 +125°C |
核心特性
- 四個獨立的 24 位 Δ-Σ ADC,集成 PGA
- 低噪聲:1.5 µVpp(G=128,10 Hz 帶寬)
- 可編程數據速率:0.125 kSPS 至 8 kSPS
- 內部電壓基準(2.5V),低漂移
- SPI 兼容串行接口
- 內置溫度傳感器和診斷功能
- 超小封裝,適合空間受限的設計
典型應用場景
- 工業過程控制(例如壓力變送器、溫度傳感器)
- 醫療儀器(例如病人監護、心電圖/心電圖系統)
- 便攜式測量設備(例如手持萬用表、數據記錄儀)
- 5G 基站電源監控(例如電流/電壓感測)
- 汽車電池管理系統(例如電池電壓監控)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 AFE4950YBGR 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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