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Product Overview
The UAF42AU is a universal active filter from Texas Instruments, designed for precision analog signal processing. It integrates a state-variable filter topology with three operational amplifiers, enabling low-pass, high-pass, band-pass, and notch filter configurations. Housed in a compact 16-SOIC package, it operates over a wide supply range and offers programmable frequency and Q-factor via external resistors. This device is ideal for applications requiring high accuracy and low noise, such as instrumentation, communication systems, and medical devices.
Detailed Technical Specifications
| Parameter |
Value |
| Filter Type |
Universal (LP, HP, BP, Notch) |
| Number of Poles |
2 (second-order) |
| Supply Voltage (V+ to V-) |
±6V to ±18V |
| Supply Current (per amplifier) |
5 mA (typical) |
| Input Offset Voltage |
±0.5 mV (max) |
| Input Bias Current |
±10 nA (max) |
| Gain Bandwidth Product |
4 MHz |
| Slew Rate |
10 V/µs |
| Operating Temperature |
-40°C to +85°C |
| Package |
16-SOIC |
Key Features
- Universal state-variable filter topology
- Programmable frequency and Q-factor with external resistors
- Low noise and high accuracy
- Wide supply voltage range
- High slew rate and bandwidth
- Compact 16-SOIC package for space-constrained designs
Target Applications
- 5G base station signal conditioning (e.g., anti-aliasing filters in receiver chains)
- Automotive dashboard sensor interfaces (e.g., accelerometer signal filtering)
- Medical instrumentation (e.g., ECG/EEG signal processing)
- Industrial process control (e.g., vibration analysis)
- Audio processing (e.g., equalizers and crossover networks)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
UAF42AU. 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
UAF42AU 是德州儀器(TI)推出的通用有源濾波器,採用狀態變量濾波器拓撲結構,集成三個運算放大器,可實現低通、高通、帶通和帶阻濾波配置。它採用緊湊的 16-SOIC 封裝,支持寬電源電壓範圍,並可通過外部電阻編程頻率和 Q 值。該器件適用於需要高精度和低噪聲的應用,如儀器儀表、通信系統和醫療設備。
詳細技術參數
| 參數 |
數值 |
| 濾波器類型 |
通用(低通、高通、帶通、帶阻) |
| 極點數 |
2(二階) |
| 電源電壓(V+ 至 V-) |
±6V 至 ±18V |
| 電源電流(每放大器) |
5 mA(典型值) |
| 輸入失調電壓 |
±0.5 mV(最大值) |
| 輸入偏置電流 |
±10 nA(最大值) |
| 增益帶寬積 |
4 MHz |
| 壓擺率 |
10 V/µs |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
16-SOIC |
核心特性
- 通用狀態變量濾波器拓撲
- 通過外部電阻可編程頻率和 Q 值
- 低噪聲和高精度
- 寬電源電壓範圍
- 高壓擺率和帶寬
- 緊湊的 16-SOIC 封裝,適合空間受限設計
典型應用場景
- 5G 基站信號調理(例如接收鏈中的抗混疊濾波器)
- 汽車儀表板傳感器接口(例如加速度計信號濾波)
- 醫療儀器(例如心電圖/腦電圖信號處理)
- 工業過程控制(例如振動分析)
- 音頻處理(例如均衡器和分頻網絡)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 UAF42AU 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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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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