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Product Overview
The LM2902PT is a low-power, quad operational amplifier from STMicroelectronics, housed in a compact 14-TSSOP package. It is designed for general-purpose applications requiring multiple op-amps in a single IC, offering a good balance between power consumption and performance. The device operates from a single or dual power supply, with a wide supply voltage range from 3V to 32V (or ±1.5V to ±16V). It features a typical gain-bandwidth product of 1.3 MHz and a slew rate of 0.4 V/µs, making it suitable for low-frequency signal conditioning, sensor interfaces, and control loops.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Channels |
4 |
| Supply Voltage (Single) |
3V to 32V |
| Supply Voltage (Dual) |
±1.5V to ±16V |
| Gain-Bandwidth Product |
1.3 MHz (typical) |
| Slew Rate |
0.4 V/µs (typical) |
| Input Offset Voltage |
2 mV (max at 25°C) |
| Input Bias Current |
20 nA (typical) |
| Input Common-Mode Voltage Range |
0V to Vcc-1.5V |
| Output Short-Circuit Current |
40 mA (typical) |
| Operating Temperature Range |
-40°C to +125°C |
| Package |
14-TSSOP |
Key Features
- Low supply current: 1.2 mA per amplifier (typical)
- Wide supply voltage range: 3V to 32V
- Quad amplifier in a small 14-TSSOP package
- Internal frequency compensation
- Input common-mode voltage range includes ground
- Output short-circuit protection
- ESD protection: 2 kV (HBM)
Target Applications
- Sensor signal conditioning in 5G base stations (e.g., temperature, humidity sensors)
- Automotive dashboard displays (e.g., battery voltage monitoring)
- Industrial process control (e.g., PLC analog input modules)
- Portable instrumentation (e.g., multimeter front-end)
- Active filters and audio pre-amplifiers
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM2902PT. 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
LM2902PT 是意法半導體推出的一款低功耗四路運算放大器,採用緊湊的 14-TSSOP 封裝。它專為需要單芯片內集成多個運算放大器的通用應用而設計,在功耗和性能之間提供了良好的平衡。該器件可工作於單電源或雙電源,電源電壓範圍寬達 3V 至 32V(或 ±1.5V 至 ±16V)。典型增益帶寬積為 1.3 MHz,壓擺率為 0.4 V/µs,適用於低頻信號調理、傳感器接口和控制迴路。
詳細技術參數
| 參數 |
數值 |
| 通道數 |
4 |
| 單電源電壓 |
3V 至 32V |
| 雙電源電壓 |
±1.5V 至 ±16V |
| 增益帶寬積 |
1.3 MHz(典型值) |
| 壓擺率 |
0.4 V/µs(典型值) |
| 輸入失調電壓 |
2 mV(最大值,25°C) |
| 輸入偏置電流 |
20 nA(典型值) |
| 輸入共模電壓範圍 |
0V 至 Vcc-1.5V |
| 輸出短路電流 |
40 mA(典型值) |
| 工作溫度範圍 |
-40°C 至 +125°C |
| 封裝 |
14-TSSOP |
核心特性
- 低電源電流:每路放大器 1.2 mA(典型值)
- 寬電源電壓範圍:3V 至 32V
- 四路放大器集成於小型 14-TSSOP 封裝
- 內部頻率補償
- 輸入共模電壓範圍包含地電位
- 輸出短路保護
- ESD 保護:2 kV(HBM)
典型應用場景
- 5G 基站中的傳感器信號調理(例如溫度、濕度傳感器)
- 汽車儀表盤顯示(例如電池電壓監測)
- 工業過程控制(例如 PLC 模擬輸入模塊)
- 便攜式儀器(例如萬用表前端)
- 有源濾波器和音頻前置放大器
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM2902PT 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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