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Product Overview
The DAC81408RHAT is a high-performance, 16-bit, 8-channel digital-to-analog converter (DAC) from Texas Instruments. It features a precision voltage reference and operates from a single 4.5V to 5.5V supply, with bipolar output swing up to ±15V. The device is housed in a compact 40-pin VQFN (6x6 mm) package, making it ideal for space-constrained industrial and automotive applications.
Detailed Technical Specifications
| Parameter |
Value |
| Resolution |
16 bits |
| Number of Channels |
8 |
| Output Voltage Range |
±15V (bipolar) |
| Supply Voltage |
4.5V to 5.5V (analog), 1.7V to 5.5V (digital) |
| INL (Max) |
±4 LSB |
| DNL (Max) |
±1 LSB |
| Output Noise |
0.1 mVrms (0.1 Hz to 10 Hz) |
| Update Rate |
Up to 1 MSPS |
| Interface |
SPI (up to 50 MHz) |
| Operating Temperature |
-40°C to +125°C |
| Package |
40-VQFN (6x6 mm) |
Key Features
- 16-bit monotonic resolution with low INL/DNL
- 8 independent DAC channels with individual reference inputs
- Integrated 2.5V reference (drift: 5 ppm/°C)
- Bipolar output up to ±15V with external reference
- Power-on reset to zero-scale or mid-scale
- SPI interface with daisy-chain support
- Thermal shutdown and watchdog timer
Target Applications
- Industrial automation: PLC analog output modules, motor control
- Automotive: battery management systems, infotainment
- Communications: 5G base station power amplifier biasing
- Test and measurement: arbitrary waveform generators, data acquisition
- Medical: patient monitoring, diagnostic equipment
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
DAC81408RHAT. Our core advantages include:
-
24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
-
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.
-
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
DAC81408RHAT 是德州儀器推出的一款高性能、16位、8通道數模轉換器(DAC)。它內置精密電壓基準,可在 4.5V 至 5.5V 單電源下工作,並提供高達 ±15V 的雙極性輸出。器件採用緊湊的 40 引腳 VQFN(6x6 mm)封裝,非常適合空間受限的工業和汽車應用。
詳細技術參數
| 參數 |
數值 |
| 分辨率 |
16 位 |
| 通道數 |
8 |
| 輸出電壓範圍 |
±15V(雙極性) |
| 電源電壓 |
4.5V 至 5.5V(模擬),1.7V 至 5.5V(數字) |
| INL(最大值) |
±4 LSB |
| DNL(最大值) |
±1 LSB |
| 輸出噪聲 |
0.1 mVrms(0.1 Hz 至 10 Hz) |
| 更新速率 |
最高 1 MSPS |
| 接口 |
SPI(最高 50 MHz) |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
40-VQFN(6x6 mm) |
核心特性
- 16 位單調分辨率,低 INL/DNL
- 8 個獨立 DAC 通道,每個通道可選基準
- 集成 2.5V 基準(漂移:5 ppm/°C)
- 使用外部基準可實現高達 ±15V 的雙極性輸出
- 上電復位至零標度或中標度
- SPI 接口,支持菊花鏈
- 熱關斷和看門狗定時器
典型應用場景
- 工業自動化:PLC 模擬輸出模塊、電機控制
- 汽車電子:電池管理系統、信息娛樂系統
- 通信:5G 基站功率放大器偏置
- 測試與測量:任意波形發生器、數據採集
- 醫療:病人監護、診斷設備
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 DAC81408RHAT 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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深港聯動,結算靈活:深圳直發全球,物流高效可靠;支援香港銀行戶口轉賬及多幣種結算。
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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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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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100% 原廠正貨:承諾所有供應零件均為原裝現貨,品質嚴格把關,來源清晰可追溯。
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符合 RoHS 認證:所有電子元器件均符合國際環保標準及相關安全認證。
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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。
以上產品均為原廠正貨,提供 BOM 配單及現貨庫存支援,歡迎查詢。
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