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Product Overview
The TLC339CNSR is a quad low-power CMOS voltage comparator from Texas Instruments, housed in a 14-pin SOIC package. It features open-drain outputs, making it suitable for wired-OR and level-shifting applications. With a typical supply current of just 50 µA per comparator, it is ideal for battery-powered and portable devices. The device operates from a single supply voltage range of 3 V to 16 V, or dual supplies of ±1.5 V to ±8 V. Its input common-mode voltage range includes ground, and the low input bias current (5 pA typical) ensures high accuracy in high-impedance sensor interfaces.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Channels |
4 |
| Supply Voltage (Single) |
3 V to 16 V |
| Supply Voltage (Dual) |
±1.5 V to ±8 V |
| Supply Current (per comparator) |
50 µA (typical) |
| Input Offset Voltage |
5 mV (max) |
| Input Bias Current |
5 pA (typical) |
| Response Time (100 mV overdrive) |
4.5 µs (typical) |
| Output Type |
Open Drain |
| Operating Temperature Range |
0°C to 70°C |
| Package |
14-SOIC (SO-14) |
Key Features
- Quad comparators in a small 14-SOIC package
- Ultra-low power consumption: 50 µA per channel
- Wide supply voltage range: 3 V to 16 V
- Open-drain outputs for wired-OR and level translation
- Input common-mode range includes ground
- Low input bias current: 5 pA typical
- Fast response time: 4.5 µs at 100 mV overdrive
- Pin-compatible with industry-standard quad comparators
Target Applications
- Battery-powered electronics: portable medical devices, handheld instruments
- Sensor signal conditioning: temperature sensors, pressure sensors, photodetectors
- Threshold detection: overvoltage/undervoltage protection in 5G base station power supplies
- Level shifting: interfacing 3.3V logic to 5V systems in automotive dashboards
- Zero-crossing detectors: AC line monitoring in smart meters
- Oscillators and pulse generators: low-frequency timing circuits
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TLC339CNSR. 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
TLC339CNSR 是德州儀器 (TI) 推出的四通道低功耗 CMOS 電壓比較器,採用 14 引腳 SOIC 封裝。它具有開漏輸出,適用於線或連接和電平轉換應用。每個比較器的典型電源電流僅為 50 µA,非常適合電池供電和便攜式設備。該器件可在 3 V 至 16 V 的單電源或 ±1.5 V 至 ±8 V 的雙電源下工作。其輸入共模電壓範圍包含地電位,且低輸入偏置電流(典型值 5 pA)確保了高阻抗傳感器接口的高精度。
詳細技術參數
| 參數 |
數值 |
| 通道數 |
4 |
| 單電源電壓 |
3 V 至 16 V |
| 雙電源電壓 |
±1.5 V 至 ±8 V |
| 每通道電源電流 |
50 µA(典型值) |
| 輸入失調電壓 |
5 mV(最大值) |
| 輸入偏置電流 |
5 pA(典型值) |
| 響應時間(100 mV 過驅動) |
4.5 µs(典型值) |
| 輸出類型 |
開漏 |
| 工作溫度範圍 |
0°C 至 70°C |
| 封裝 |
14-SOIC (SO-14) |
核心特性
- 四通道比較器,小型 14-SOIC 封裝
- 超低功耗:每通道 50 µA
- 寬電源電壓範圍:3 V 至 16 V
- 開漏輸出,支持線或連接和電平轉換
- 輸入共模範圍包含地電位
- 低輸入偏置電流:典型值 5 pA
- 快速響應時間:100 mV 過驅動下 4.5 µs
- 與業界標準四通道比較器引腳兼容
典型應用場景
- 電池供電電子設備:便攜式醫療設備、手持儀器
- 傳感器信號調理:溫度傳感器、壓力傳感器、光電探測器
- 閾值檢測:5G 基站電源中的過壓/欠壓保護
- 電平轉換:汽車儀表盤中 3.3V 邏輯與 5V 系統的接口
- 過零檢測:智能電表中的交流線路監控
- 振盪器和脈衝發生器:低頻定時電路
環球供應鏈與批發合作夥伴方案
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