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Product Overview
The DAC9881SRGET is a high-performance, 18-bit, single-channel, voltage-output digital-to-analog converter (DAC) from Texas Instruments. It operates from a single 2.7V to 5.5V supply and features a low-power consumption of 0.55 mW at 3V. The device includes an internal reference (2.5V) and offers a flexible SPI interface for communication. Housed in a compact 24-VQFN (4x4 mm) package, it is ideal for space-constrained applications requiring high precision and low noise.
Detailed Technical Specifications
| Parameter |
Value |
| Resolution |
18 bits |
| Number of Channels |
1 |
| Output Type |
Voltage - Buffered |
| Settling Time |
5 µs (typ) |
| INL/DNL |
±4 LSB / ±1 LSB (max) |
| Supply Voltage |
2.7V to 5.5V |
| Power Consumption |
0.55 mW at 3V |
| Operating Temperature |
-40°C to +125°C |
| Interface |
SPI |
| Package |
24-VQFN (4x4 mm) |
Key Features
- 18-bit monotonic resolution
- Low power: 0.55 mW at 3V
- Internal 2.5V reference (10 ppm/°C drift)
- Power-on reset to zero-scale
- SPI interface with daisy-chain capability
- Rail-to-rail output buffer
- Small 4x4 mm QFN package
Target Applications
- Precision instrumentation (e.g., data acquisition systems)
- Industrial process control (e.g., PLC analog output modules)
- Medical equipment (e.g., patient monitoring systems)
- Automotive (e.g., battery management systems)
- Communications (e.g., 5G base station power amplifier bias control)
- Audio equipment (e.g., digital audio processors)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
DAC9881SRGET. 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
DAC9881SRGET 是德州儀器推出的一款高性能、18位、單通道、電壓輸出數模轉換器(DAC)。它可在 2.7V 至 5.5V 的單電源下工作,在 3V 時功耗僅為 0.55 mW。器件包含內部基準電壓(2.5V),並提供靈活的 SPI 接口。採用緊湊的 24-VQFN(4x4 mm)封裝,非常適合需要高精度和低噪聲的空間受限應用。
詳細技術參數
| 參數 |
數值 |
| 分辨率 |
18 位 |
| 通道數 |
1 |
| 輸出類型 |
電壓 - 緩衝 |
| 建立時間 |
5 µs(典型值) |
| INL/DNL |
±4 LSB / ±1 LSB(最大值) |
| 電源電壓 |
2.7V 至 5.5V |
| 功耗 |
0.55 mW(3V 時) |
| 工作溫度 |
-40°C 至 +125°C |
| 接口 |
SPI |
| 封裝 |
24-VQFN(4x4 mm) |
核心特性
- 18 位單調分辨率
- 低功耗:3V 時 0.55 mW
- 內部 2.5V 基準(10 ppm/°C 漂移)
- 上電複位至零電平
- SPI 接口,支持菊花鏈
- 軌到軌輸出緩衝器
- 小型 4x4 mm QFN 封裝
典型應用場景
- 精密儀器(例如數據採集系統)
- 工業過程控制(例如 PLC 模擬輸出模塊)
- 醫療設備(例如病人監護系統)
- 汽車電子(例如電池管理系統)
- 通信(例如 5G 基站功率放大器偏置控制)
- 音頻設備(例如數字音頻處理器)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 DAC9881SRGET 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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