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Product Overview
The AFE1224-2 from Texas Instruments is a high-performance, low-power analog front-end (AFE) designed for precision measurement and data acquisition systems. It integrates a 24-bit delta-sigma ADC, programmable gain amplifier (PGA), and internal voltage reference, making it ideal for applications requiring high resolution and low noise. The device operates from a single 2.7V to 5.5V supply and features two differential input channels, enabling simultaneous sampling for multi-sensor systems. With a maximum data rate of 2 kSPS and excellent linearity, the AFE1224-2 is suitable for industrial process control, medical instrumentation, and portable devices.
Detailed Technical Specifications
| Parameter |
Value |
| Resolution |
24 bits |
| Number of Channels |
2 (differential) |
| Data Rate |
Up to 2 kSPS |
| Supply Voltage |
2.7V to 5.5V |
| Power Consumption |
4.5 mW (typical) |
| INL |
±0.0015% FSR |
| SNR |
110 dB |
| Operating Temperature |
-40°C to +85°C |
| Package |
TSSOP-16 |
Key Features
- 24-bit delta-sigma ADC with low noise (4 µVpp)
- Programmable gain amplifier (PGA) with gains of 1, 2, 4, 8, 16, 32, 64, 128
- Internal 2.5V reference with 5 ppm/°C drift
- SPI-compatible serial interface
- Low power: 4.5 mW at 2 kSPS
- Built-in offset and gain calibration
- Power-down mode for battery-powered applications
Target Applications
- Industrial process control (e.g., 4-20 mA loop transmitters)
- Medical instrumentation (e.g., patient monitoring, ECG)
- Portable data loggers (e.g., environmental sensors)
- Weigh scales and strain gauge measurement
- 5G base station power monitoring
- Automotive battery management systems
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
AFE1224-2. Our core advantages include:
-
24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
-
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.
-
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
AFE1224-2 是德州儀器(TI)推出的一款高性能、低功耗模擬前端(AFE),專為精密測量和數據採集系統設計。它集成了24位Δ-Σ ADC、可編程增益放大器(PGA)和內部電壓基準,非常適合需要高解析度和低噪聲的應用。該器件可在2.7V至5.5V的單電源下工作,並具有兩個差分輸入通道,支持多傳感器系統的同時採樣。最大數據速率為2 kSPS,線性度優異,適用於工業過程控制、醫療儀器和便攜設備。
詳細技術參數
| 參數 |
數值 |
| 解析度 |
24位 |
| 通道數 |
2(差分) |
| 數據速率 |
最高2 kSPS |
| 電源電壓 |
2.7V至5.5V |
| 功耗 |
4.5 mW(典型值) |
| INL |
±0.0015% FSR |
| SNR |
110 dB |
| 工作溫度 |
-40°C至+85°C |
| 封裝 |
TSSOP-16 |
核心特性
- 24位Δ-Σ ADC,低噪聲(4 µVpp)
- 可編程增益放大器(PGA),增益1、2、4、8、16、32、64、128
- 內部2.5V基準,漂移5 ppm/°C
- SPI兼容串行接口
- 低功耗:2 kSPS時4.5 mW
- 內置偏移和增益校準
- 掉電模式,適用於電池供電應用
典型應用場景
- 工業過程控制(例如4-20 mA環路變送器)
- 醫療儀器(例如病人監護、心電圖)
- 便攜式數據記錄器(例如環境傳感器)
- 稱重秤和應變片測量
- 5G基站功率監控
- 汽車電池管理系統
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 AFE1224-2 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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現貨庫存,即日發貨:確保現貨充足。下午 4 點前確認訂單,即可安排當天寄出。
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深港聯動,結算靈活:深圳直發全球,物流高效可靠;支援香港銀行戶口轉賬及多幣種結算。
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Escrow 擔保交易:支援 Escrow.com 平台交易,保障買賣雙方權益,小批量訂單亦可安心在線下單。
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BOM 配單與樣板服務:提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。
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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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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。
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