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數據轉換器
數位轉類比轉換器 (DAC)
精密 DAC (≤10 MSPS)

DAC8551

現行

16 位元、超低突波干擾、電壓輸出數位轉類比轉換器

立即訂購
產品規格表

現在提供此產品的更新版本

open-in-new 比較替代產品
功能相同，但針腳輸出與所比較的裝置不同。
DAC60501 現行 採用 WSON 封裝並提供精確內部參考的真正 12 位元、單通道、SPI/I2C、電壓輸出 DAC 12-bit device in WSON 2 mm by 2 mm package
功能相似於所比較的產品。
DAC82001 現行 單通道、16 位元、低突波雜訊、無緩衝電壓輸出數位轉類比轉換器 (DAC) NewerVersion device, 0.5nV-s glitch energy, 250uA current consumption, no output biffer

DAC8551

現行
產品規格表 立即訂購

產品詳細資料

Resolution (Bits) 16 Number of DAC channels 1 Interface type SPI Output type Buffered Voltage Output voltage range (V) 0 to 5.5 INL (max) (±LSB) 12 Settling time (µs) 10 Reference type Ext Architecture String Rating Catalog Features Low glitch Sample/update rate (Msps) 0.2 Power consumption (typ) (mW) 1 Operating temperature range (°C) -40 to 105 Product type Precision DAC
Resolution (Bits) 16 Number of DAC channels 1 Interface type SPI Output type Buffered Voltage Output voltage range (V) 0 to 5.5 INL (max) (±LSB) 12 Settling time (µs) 10 Reference type Ext Architecture String Rating Catalog Features Low glitch Sample/update rate (Msps) 0.2 Power consumption (typ) (mW) 1 Operating temperature range (°C) -40 to 105 Product type Precision DAC
VSSOP (DGK) 8 14.7 mm² (3 mm × 4.9 mm)
  • Relative Accuracy: 8LSB
  • Glitch Energy: 0.1 nV-s
  • MicroPower Operation: 140 µA at 2.7 V
  • Power-On Reset to Zero
  • Power Supply: 2.7 V to 5.5 V
  • 16-Bit Monotonic
  • Settling Time: 10 µs to ±0.003% FSR
  • Low-Power Serial Interface with
    Schmitt-Triggered Inputs
  • On-Chip Output Buffer Amplifier with
    Rail-to-Rail Operation
  • Power-Down Capability
  • Binary Input
  • SYNC Interrupt Facility
  • Drop-In Compatible With DAC85x1
    and DAC8550 (2’s Complement Input)
  • Relative Accuracy: 8LSB
  • Glitch Energy: 0.1 nV-s
  • MicroPower Operation: 140 µA at 2.7 V
  • Power-On Reset to Zero
  • Power Supply: 2.7 V to 5.5 V
  • 16-Bit Monotonic
  • Settling Time: 10 µs to ±0.003% FSR
  • Low-Power Serial Interface with
    Schmitt-Triggered Inputs
  • On-Chip Output Buffer Amplifier with
    Rail-to-Rail Operation
  • Power-Down Capability
  • Binary Input
  • SYNC Interrupt Facility
  • Drop-In Compatible With DAC85x1
    and DAC8550 (2’s Complement Input)

The DAC8551 is a small, low-power, voltage output, 16-bit digital-to-analog converter (DAC). It is monotonic, provides good linearity, and minimizes undesired code-to-code transient voltages. The DAC8551 uses a versatile 3-wire serial interface that operates at clock rates to 30 MHz and is compatible with standard SPI™, QSPI™, Microwire™, and digital signal processor (DSP) interfaces.

The DAC8551 requires an external reference voltage to set its output range. The DAC8551 incorporates a power-on-reset circuit that ensures the DAC output powers up at 0 V and remains there until a valid write takes place to the device. The DAC8551 contains a power-down feature, accessed over the serial interface, that reduces the current consumption of the device to 200 nA at 5 V.

The low-power consumption of this device in normal operation makes it ideally suited for portable, battery-operated equipment. The power consumption is 0.38 mW at 2.7 V, reducing to less than 1 µW in power‑down mode.

For additional flexibilty, see the DAC8550 (SLAS476), a 2’s complement-input counterpart to the DAC8551.

The DAC8551 is a small, low-power, voltage output, 16-bit digital-to-analog converter (DAC). It is monotonic, provides good linearity, and minimizes undesired code-to-code transient voltages. The DAC8551 uses a versatile 3-wire serial interface that operates at clock rates to 30 MHz and is compatible with standard SPI™, QSPI™, Microwire™, and digital signal processor (DSP) interfaces.

The DAC8551 requires an external reference voltage to set its output range. The DAC8551 incorporates a power-on-reset circuit that ensures the DAC output powers up at 0 V and remains there until a valid write takes place to the device. The DAC8551 contains a power-down feature, accessed over the serial interface, that reduces the current consumption of the device to 200 nA at 5 V.

The low-power consumption of this device in normal operation makes it ideally suited for portable, battery-operated equipment. The power consumption is 0.38 mW at 2.7 V, reducing to less than 1 µW in power‑down mode.

For additional flexibilty, see the DAC8550 (SLAS476), a 2’s complement-input counterpart to the DAC8551.
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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 DAC8551 16-Bit, Ultralow-Glitch, Voltage-Output Digital‑to‑Analog Converter datasheet (Rev. E) PDF | HTML 2017/6/23
Circuit design Precision, Three-Wire High-Voltage Output Transmitter Using the DAC80501 and XTR200 PDF | HTML 2026/1/27
Circuit design High-current voltage output circuit using a precision DAC (Rev. A) PDF | HTML 2024/9/19
類比設計期刊 如何將理想二極體控制器作為太陽能應用 中的可擴展輸入旁路開關使用 PDF | HTML Download English Version PDF | HTML 2024/6/27
類比設計期刊 設計 4mA 至 20mA 迴路供電發送器 PDF | HTML Download English Version PDF | HTML 2024/6/26

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

DAC8551EVM — DAC8551 評估模組

The DAC8551EVM features the DAC8551 digital to analog converter. The EVM provides a quick and easy way to evaluate the functionality and performance of this high resolution, single channel, serial input Digital to Analog Converter (DAC). The EVM provides the serial interface header for (...)

使用指南: PDF
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支援軟體

DXP — DXP EVM GUI

DAC 操作器程序 (DXP) 是一款德州儀器的軟體工具，無需昂貴的模式產生器或編寫複雜軟體，即可評估 DAC。搭配德州儀器 DAC EVM 和模組化主機板使用時，可為 DAC 產生簡單易用的數位訊號，以產生用於量測和評估用途的類比輸出。

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模擬型號

DAC8551 IBIS Model

SBAM049.ZIP (8 KB) - IBIS 模型
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模擬型號

TINA-TI Ref Design for High-Current Voltage O/P Circuit Using a Precision DAC

SBAM417.ZIP (23 KB) - TINA-TI 參考設計
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設計工具

ADC-DAC-TO-VREF-SELECT-DESIGN-TOOL — The ADC-TO-VREF-SELECT tool enables the pairing of TI ADCs, DACs, and series voltage references.

The ADC-TO-VREF-SELECT tool enables the pairing of TI analog-to-digital converters (ADCs) and series voltage references. Users can select an ADC device and the desired reference voltage, and the tool will list up to two voltage reference recommendations.
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參考設計

TIDA-01536 — 單通道隔離式 3 線電流迴路發射器參考設計

此單通道、輸入隔離、三線電流迴路發射器參考設計提供 0mA 至 20mA 的電流範圍，同時以 24-V 電源運作。此設計採用具有內部參考電壓的精密數位轉類比轉換器 (DAC)、整合式三線電流迴路傳送器和數位隔離器以實現電路目標。隨附保護電路以通過 IEC61000-4 測試。

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參考設計

TIPD190 — 通過 EMC/EMI 測試的 2 線、4-20mA 發射器參考設計

此 TI 認證參考設計是使用 DAC8551 和 XTR116 的 16 位元迴路供電或 2 線發送器。此設計包含可對 IEC61000-4 測試套件提供抗擾度的保護電路。此設計還包括用來整流反向極性電源供應器的電路。保護電路和整流器不會對電流輸出性能造成負面影響，未調整總誤差 (TUE) 小於 0.15%。

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封裝 針腳 CAD 符號、佔位空間與 3D 模型
VSSOP (DGK) 8 Ultra Librarian
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