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Product Overview
The DAC8814ICDBT is a 4-channel, 16-bit, serial-input, multiplying digital-to-analog converter (DAC) from Texas Instruments. It operates from a single +2.7V to +5.5V supply and features a 4-wire SPI-compatible serial interface. The device includes a power-on reset circuit that ensures the DAC outputs are at zero scale when power is applied. The DAC8814ICDBT is available in a compact 28-pin SSOP package, making it suitable for space-constrained applications.
Detailed Technical Specifications
| Parameter |
Value |
| Resolution |
16 Bits |
| Number of Channels |
4 |
| Interface |
SPI (4-wire) |
| Supply Voltage |
2.7V to 5.5V |
| Output Type |
Current (Multiplying) |
| INL (Max) |
±1 LSB |
| DNL (Max) |
±1 LSB |
| Settling Time |
0.5 µs (typ) |
| Operating Temperature |
-40°C to +85°C |
| Package |
28-SSOP |
Key Features
- 4 independent 16-bit DACs
- Low power consumption: 0.5 mW per channel at 3V
- Power-on reset to zero scale
- Double-buffered input registers
- Simultaneous or sequential update of DAC outputs
- SPI-compatible serial interface up to 50 MHz
- Compact 28-SSOP package
Target Applications
- 5G base station: Automatic gain control (AGC) and bias control in RF transceivers
- Automotive dashboard: Precision voltage references for instrument cluster displays
- Industrial automation: Programmable logic controllers (PLC) analog output modules
- Medical equipment: Patient monitoring systems requiring multiple analog outputs
- Test and measurement: Arbitrary waveform generators and data acquisition systems
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
DAC8814ICDBT. 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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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
DAC8814ICDBT 是一款來自德州儀器 (TI) 的 4 通道、16 位、串行輸入、乘法數模轉換器 (DAC)。它可在 2.7V 至 5.5V 的單電源下工作,並具有 4 線 SPI 兼容串行接口。該器件包含一個上電復位電路,確保在電源接通時 DAC 輸出為零標度。DAC8814ICDBT 採用緊湊的 28 引腳 SSOP 封裝,適用於空間受限的應用。
詳細技術參數
| 參數 |
數值 |
| 分辨率 |
16 位 |
| 通道數 |
4 |
| 接口 |
SPI (4 線) |
| 電源電壓 |
2.7V 至 5.5V |
| 輸出類型 |
電流 (乘法) |
| INL (最大值) |
±1 LSB |
| DNL (最大值) |
±1 LSB |
| 建立時間 |
0.5 µs (典型值) |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
28-SSOP |
核心特性
- 4 個獨立的 16 位 DAC
- 低功耗:3V 時每通道 0.5 mW
- 上電復位至零標度
- 雙緩衝輸入寄存器
- 同步或順序更新 DAC 輸出
- SPI 兼容串行接口,最高 50 MHz
- 緊湊的 28-SSOP 封裝
典型應用場景
- 5G 基站:射頻收發器中的自動增益控制 (AGC) 和偏置控制
- 汽車儀表盤:儀表組顯示的精確電壓參考
- 工業自動化:可編程邏輯控制器 (PLC) 模擬輸出模塊
- 醫療設備:需要多個模擬輸出的病人監護系統
- 測試與測量:任意波形發生器和數據採集系統
環球供應鏈與批發合作夥伴方案
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