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Product Overview
The DAC7718SRGZT is a 12-bit, octal-channel, serial-input, voltage-output digital-to-analog converter (DAC) from Texas Instruments. It operates from a single +5V supply and provides bipolar output voltages up to ±10V. The device includes a precision internal reference (2.5V) and a power-on reset circuit that ensures the DAC outputs power up to 0V. The DAC7718SRGZT is available in a 48-pin VQFN (7x7mm) package, making it suitable for space-constrained applications.
Detailed Technical Specifications
| Parameter |
Value |
| Resolution |
12 Bits |
| Number of Channels |
8 |
| Interface |
Serial SPI |
| Output Type |
Voltage - Buffered |
| Output Range |
±10V |
| Reference Type |
Internal (2.5V) or External |
| Supply Voltage |
+5V |
| INL (Max) |
±1 LSB |
| DNL (Max) |
±1 LSB |
| Settling Time |
10 µs (Typ) |
| Operating Temperature |
-40°C to +105°C |
| Package |
48-VQFN (7x7mm) |
Key Features
- 12-bit monotonic performance
- Eight independent DAC channels
- Bipolar output: ±10V with internal reference
- Low power: 5 mW per channel (typical)
- Power-on reset to 0V
- SPI-compatible serial interface (up to 50 MHz)
- Simultaneous or sequential update of DAC outputs
- Internal reference (2.5V) with ±5 mV accuracy
- Small footprint: 48-VQFN (7x7mm)
Target Applications
- Industrial process control (e.g., PLC analog output modules)
- Automotive test systems (e.g., battery pack simulators)
- 5G base station power amplifier bias control
- Medical instrumentation (e.g., patient monitoring systems)
- Automotive dashboard display calibration
- Data acquisition systems (e.g., multi-channel sensor simulation)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
DAC7718SRGZT. 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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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
DAC7718SRGZT 是德州儀器(TI)推出的一款12位、八通道、串行輸入、電壓輸出的數模轉換器(DAC)。它採用單一+5V電源供電,可提供高達±10V的雙極性輸出電壓。該器件包含一個精密的內部基準電壓源(2.5V)和一個上電復位電路,確保DAC輸出在上電時為0V。DAC7718SRGZT 採用48引腳VQFN(7x7mm)封裝,適合空間受限的應用。
詳細技術參數
| 參數 |
數值 |
| 分辨率 |
12 位 |
| 通道數 |
8 |
| 接口 |
串行 SPI |
| 輸出類型 |
電壓 - 緩衝 |
| 輸出範圍 |
±10V |
| 基準類型 |
內部(2.5V)或外部 |
| 電源電壓 |
+5V |
| INL(最大) |
±1 LSB |
| DNL(最大) |
±1 LSB |
| 建立時間 |
10 µs(典型) |
| 工作溫度 |
-40°C 至 +105°C |
| 封裝 |
48-VQFN(7x7mm) |
核心特性
- 12位單調性性能
- 八個獨立DAC通道
- 雙極性輸出:±10V(使用內部基準)
- 低功耗:每通道典型5 mW
- 上電復位至0V
- SPI兼容串行接口(最高50 MHz)
- 同步或順序更新DAC輸出
- 內部基準(2.5V),精度±5 mV
- 小尺寸:48-VQFN(7x7mm)
典型應用場景
- 工業過程控制(例如PLC模擬輸出模塊)
- 汽車測試系統(例如電池組模擬器)
- 5G基站功率放大器偏置控制
- 醫療儀器(例如病人監護系統)
- 汽車儀表盤顯示校準
- 數據採集系統(例如多通道傳感器模擬)
環球供應鏈與批發合作夥伴方案
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我們的核心優勢包括:
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