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Product Overview
The DAC8771RGZT is a precision, single-channel, 16-bit digital-to-analog converter (DAC) from Texas Instruments. It is designed for industrial control and automation applications, offering a 4-20mA current loop output with integrated voltage output capability. The device operates from a single 12V to 36V supply and includes a precision internal reference, making it ideal for loop-powered transmitters and actuator control. Housed in a compact 48-VQFN (7x7mm) package, the DAC8771RGZT provides high accuracy and low drift over temperature.
Detailed Technical Specifications
| Parameter |
Value |
| Resolution |
16 bits |
| Number of Channels |
1 |
| Output Type |
Current (4-20 mA) and Voltage (0-5V, 0-10V) |
| Supply Voltage |
12V to 36V |
| Internal Reference |
2.5V (10 ppm/°C max) |
| INL (Max) |
±4 LSB |
| DNL (Max) |
±1 LSB |
| Operating Temperature |
-40°C to +125°C |
| Package |
48-VQFN (7x7mm) |
Key Features
- 16-bit monotonic resolution
- Programmable output: 4-20 mA, 0-5V, or 0-10V
- Integrated precision reference with low drift
- SPI interface with daisy-chain support
- Watchdog timer and CRC for safety
- Thermal shutdown and overcurrent protection
- Wide supply range: 12V to 36V
Target Applications
- Industrial process control (e.g., PLC analog output modules)
- Actuator control in factory automation (e.g., valve positioners)
- Loop-powered transmitters (e.g., pressure, temperature sensors)
- Building automation (e.g., HVAC damper control)
- Test and measurement equipment
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
DAC8771RGZT. 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
DAC8771RGZT 是德州儀器推出的一款精密單通道16位數模轉換器(DAC),專為工業控制和自動化應用設計。它提供4-20mA電流環路輸出,並集成電壓輸出能力。該器件可在12V至36V單電源下工作,內置精密基準,非常適合環路供電變送器和執行器控制。採用緊湊的48-VQFN(7x7mm)封裝,DAC8771RGZT 具有高精度和低溫度漂移特性。
詳細技術參數
| 參數 |
數值 |
| 分辨率 |
16位 |
| 通道數 |
1 |
| 輸出類型 |
電流(4-20 mA)和電壓(0-5V, 0-10V) |
| 電源電壓 |
12V 至 36V |
| 內部基準 |
2.5V(最大10 ppm/°C) |
| INL(最大值) |
±4 LSB |
| DNL(最大值) |
±1 LSB |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
48-VQFN(7x7mm) |
核心特性
- 16位單調分辨率
- 可編程輸出:4-20 mA、0-5V 或 0-10V
- 集成低漂移精密基準
- SPI接口,支持菊花鏈
- 看門狗定時器和CRC安全功能
- 熱關斷和過流保護
- 寬電源範圍:12V 至 36V
典型應用場景
- 工業過程控制(例如PLC模擬輸出模塊)
- 工廠自動化中的執行器控制(例如閥門定位器)
- 環路供電變送器(例如壓力、溫度傳感器)
- 樓宇自動化(例如HVAC風門控制)
- 測試和測量設備
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 DAC8771RGZT 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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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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