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Product Overview
The DAC7802LU is a dual 12-bit, multiplying digital-to-analog converter (DAC) from Texas Instruments. It features two independent DACs on a single chip, each with its own reference input and feedback resistor. The device operates from a single +5V supply and offers a fast settling time of 2µs to ±0.5LSB. The DAC7802LU is available in a 24-pin SOIC package, making it suitable for space-constrained applications. Its low power consumption and high accuracy make it ideal for industrial control, data acquisition, and communication systems.
Detailed Technical Specifications
| Parameter |
Value |
| Resolution |
12 Bits |
| Number of DACs |
2 |
| Settling Time |
2 µs to ±0.5LSB |
| Integral Nonlinearity (INL) |
±1 LSB (max) |
| Differential Nonlinearity (DNL) |
±1 LSB (max) |
| Supply Voltage |
+5V ±10% |
| Reference Input Range |
0V to VDD |
| Output Type |
Current |
| Operating Temperature |
-40°C to +85°C |
| Package |
24-SOIC |
Key Features
- Dual 12-bit multiplying DACs
- Fast settling time: 2µs to ±0.5LSB
- Low power: 2.5mW typical at 5V
- Single +5V supply operation
- Independent reference inputs
- Internal feedback resistors
- Guaranteed monotonic
- 24-pin SOIC package
Target Applications
- Industrial process control (e.g., PLC analog output modules)
- Data acquisition systems (e.g., multichannel DAQ cards)
- Communication systems (e.g., 5G base station power amplifier bias control)
- Automotive electronics (e.g., dashboard display calibration)
- Medical instrumentation (e.g., patient monitoring systems)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
DAC7802LU. 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
DAC7802LU 是德州儀器推出的雙通道12位乘法數模轉換器(DAC)。該器件在單芯片上集成了兩個獨立的DAC,每個DAC都有自己的參考輸入和反饋電阻。它採用單一+5V電源供電,具有2µs的快速建立時間(至±0.5LSB)。DAC7802LU 採用24引腳SOIC封裝,適合空間受限的應用。其低功耗和高精度使其非常適合工業控制、數據採集和通信系統。
詳細技術參數
| 參數 |
數值 |
| 分辨率 |
12 位 |
| DAC 通道數 |
2 |
| 建立時間 |
2 µs 至 ±0.5LSB |
| 積分非線性 (INL) |
±1 LSB(最大值) |
| 差分非線性 (DNL) |
±1 LSB(最大值) |
| 電源電壓 |
+5V ±10% |
| 參考輸入範圍 |
0V 至 VDD |
| 輸出類型 |
電流 |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
24-SOIC |
核心特性
- 雙通道12位乘法DAC
- 快速建立時間:2µs 至 ±0.5LSB
- 低功耗:5V時典型值2.5mW
- 單一+5V電源供電
- 獨立參考輸入
- 內部反饋電阻
- 保證單調性
- 24引腳SOIC封裝
典型應用場景
- 工業過程控制(例如PLC模擬輸出模塊)
- 數據採集系統(例如多通道DAQ卡)
- 通信系統(例如5G基站功率放大器偏置控制)
- 汽車電子(例如儀表盤顯示校準)
- 醫療儀器(例如病人監護系統)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 DAC7802LU 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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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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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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