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

DAC80502

現行

雙通道、1-LSB INL、16 位元、SPI 電壓輸出數位轉類比轉換器 (DAC)

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產品規格表

DAC80502

現行
產品規格表 立即訂購

產品詳細資料

Resolution (Bits) 16 Number of DAC channels 2 Interface type I2C, SPI Output type Buffered Voltage Output voltage range (V) 0 to 5.5 INL (max) (±LSB) 1 Settling time (µs) 5 Reference type Ext, Int Architecture R-2R Rating Catalog Features Reset to Mid-Scale Sample/update rate (Msps) 0.2 Power consumption (typ) (mW) 3.6 Operating temperature range (°C) -40 to 125 Product type Precision DAC
Resolution (Bits) 16 Number of DAC channels 2 Interface type I2C, SPI Output type Buffered Voltage Output voltage range (V) 0 to 5.5 INL (max) (±LSB) 1 Settling time (µs) 5 Reference type Ext, Int Architecture R-2R Rating Catalog Features Reset to Mid-Scale Sample/update rate (Msps) 0.2 Power consumption (typ) (mW) 3.6 Operating temperature range (°C) -40 to 125 Product type Precision DAC
WSON (DRX) 10 6.25 mm² (2.5 mm × 2.5 mm)
  • 16-bit performance: 1-LSB INL and DNL (max)
  • Low glitch energy: 4 nV-s
  • Wide power supply: 2.7 V to 5.5 V
  • Buffered output range: 5 V, 2.5 V, or 1.25 V
  • Low power: 1 mA per channel at 5.5 V
  • Integrated 5-ppm/˚C (max), 2.5-V precision reference
  • Pin-selectable serial interface
    • 3-wire, SPI compatible up to 50-MHz
    • 2-wire, I2C compatible
  • Power-on-reset: zero scale or midscale
  • 1.62-V VIH with VDD = 5.5 V
  • Temperature range: –40˚C to +125˚C
  • Package: Tiny 10-pin WSON
  • 16-bit performance: 1-LSB INL and DNL (max)
  • Low glitch energy: 4 nV-s
  • Wide power supply: 2.7 V to 5.5 V
  • Buffered output range: 5 V, 2.5 V, or 1.25 V
  • Low power: 1 mA per channel at 5.5 V
  • Integrated 5-ppm/˚C (max), 2.5-V precision reference
  • Pin-selectable serial interface
    • 3-wire, SPI compatible up to 50-MHz
    • 2-wire, I2C compatible
  • Power-on-reset: zero scale or midscale
  • 1.62-V VIH with VDD = 5.5 V
  • Temperature range: –40˚C to +125˚C
  • Package: Tiny 10-pin WSON

The 16-bit DAC80502, 14-bit DAC70502, and 12-bit DAC60502 (DACx0502) digital-to-analog converters (DACs) are highly accurate, low-power devices with voltage output.

The DACx0502 offer linearity of < 1 LSB. The high accuracy combined with tiny package make the DACx0502 an excellent choice for applications such as gain and offset calibration, current or voltage set point generation, and power-supply control. These devices include a 2.5-V, 5-ppm/°C internal reference, giving full-scale output voltage ranges of 1.25 V,
2.5 V, or 5 V. The DACx0502 incorporate a power-on-reset circuit that makes sure the DAC output powers up at zero scale or midscale based on the status of RSTSEL pin, and remains at that scale until a valid code is written to the device.

The digital interface of the DACx0502 can be configured to SPI or I2C mode using the SPI2C pin. In SPI mode, the DACx0502 use a versatile 3-wire serial interface that operates at clock rates up to 50 MHz. In I2C mode, the DACx0502 operate in standard (100 kbps), fast (400 kbps), and fast+ (1.0 Mbps) modes.

The 16-bit DAC80502, 14-bit DAC70502, and 12-bit DAC60502 (DACx0502) digital-to-analog converters (DACs) are highly accurate, low-power devices with voltage output.

The DACx0502 offer linearity of < 1 LSB. The high accuracy combined with tiny package make the DACx0502 an excellent choice for applications such as gain and offset calibration, current or voltage set point generation, and power-supply control. These devices include a 2.5-V, 5-ppm/°C internal reference, giving full-scale output voltage ranges of 1.25 V,
2.5 V, or 5 V. The DACx0502 incorporate a power-on-reset circuit that makes sure the DAC output powers up at zero scale or midscale based on the status of RSTSEL pin, and remains at that scale until a valid code is written to the device.

The digital interface of the DACx0502 can be configured to SPI or I2C mode using the SPI2C pin. In SPI mode, the DACx0502 use a versatile 3-wire serial interface that operates at clock rates up to 50 MHz. In I2C mode, the DACx0502 operate in standard (100 kbps), fast (400 kbps), and fast+ (1.0 Mbps) modes.
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DAC70502 現行 雙通道、1-LSB INL、14 位元、SPI 電壓輸出數位類比轉換器 (DAC) 14-bit device
DAC80501 現行 採用 WSON 封裝並提供精確內部參考的真正 16 位元、單通道、SPI/I2C、電壓輸出 DAC 1-channel device
DAC60502 現行 雙通道、1-LSB INL、12 位元、SPI 電壓輸出數位轉類比轉換器 (DAC) 12-bit device

技術文件

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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 DACx0502, Dual, 16-Bit, 14-Bit, and 12-Bit, 1-LSB INL, Voltage-Output DACs With Precision Internal Reference datasheet (Rev. A) PDF | HTML 2020/4/16
應用說明 Precision Data Converter Selection Guide PDF | HTML 2026/5/14
Circuit design Precision, Three-Wire High-Voltage Output Transmitter Using the DAC80501 and XTR200 PDF | HTML 2026/1/27
Circuit design Precision, Three-Wire, Analog Current Output Transmitter Using the DAC80501 and XTR200 PDF | HTML 2026/1/27
證書 DAC80502-01EVM EU Declaration of Conformity (DoC) PDF | HTML 2023/11/8
應用說明 A Basic Guide to I2C PDF | HTML 2022/11/8
證書 DAC80502EVM EU Declaration of Conformity (DoC) PDF | HTML 2020/4/13

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

DAC80502-01EVM — DAC80502 和 DAC80501 評估模組

DAC80502-01EVM 評估模組 (EVM) 是用於評估 DAC80501 和 DAC80502 裝置的平台。DAC80501 和 DAC80502 都安裝在 EVM 上。DAC80501 是一款 16 位元解析度的單通道緩衝低電壓輸出數位轉類比轉換器 (DAC)。DAC80502 是一款 16 位元解析度的雙通道緩衝低電壓輸出 DAC。裝置提供高達 5V 的單極輸出電壓。
使用指南: PDF | HTML
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開發模組 (EVM) 的 GUI

DAC8050XEVM-GUI — DAC8050XEVM GUI Installer

The DAC8050XEVM-GUI is a windows-based software GUI that controls the DAC80502-01EVM and DAC80508-04EVM through SPI and I2C communications using the FTDI4232 interface adapter tool.
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支援軟體

SBAC259 — DAC80502EVM Software

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模擬型號

DAC80502DRX IBIS Model

SBAM433.ZIP (25 KB) - IBIS 模型
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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-010962 — 自動測試設備 (ATE) 80V 離散式浮動 VI 參考設計

此參考設計展現四象限離散式浮動電壓與電流 (VI) 設計。電壓輸出支援 ±40V 和 0V 至 80V 範圍，並提供 500mA、10mA 和 10μA 三種電流範圍。此設計可在強制電壓 (FV)、強制電流 (FI)、緩衝器及具有類比回饋迴路的 Gang 模式下運作。憑藉 20 位元強制數位轉類比轉換器 (DAC) 和 18 位元、2 通道類比轉數位轉換器 (ADC) 以及精密訊號鏈，該參考設計可實現校準後控制與測量具備 0.01% 準確度。

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封裝 針腳 CAD 符號、佔位空間與 3D 模型
WSON (DRX) 10 Ultra Librarian
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