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

DAC80504

現行

採用 QFN 封裝並提供精確內部參考的真實 16 位元、4 通道、SPI、電壓輸出 DAC

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產品規格表

DAC80504

現行
產品規格表 立即訂購

產品詳細資料

Resolution (Bits) 16 Number of DAC channels 4 Interface type SPI Output type Buffered Voltage Settling time (µs) 4 Features Small Size Reference type Int Architecture R-2R Rating Catalog Output range (max) (mA/V) 5 Output range (min) (mA/V) 0 Sample/update rate (Msps) 1 Power consumption (typ) (mW) 15 Operating temperature range (°C) -40 to 125
Resolution (Bits) 16 Number of DAC channels 4 Interface type SPI Output type Buffered Voltage Settling time (µs) 4 Features Small Size Reference type Int Architecture R-2R Rating Catalog Output range (max) (mA/V) 5 Output range (min) (mA/V) 0 Sample/update rate (Msps) 1 Power consumption (typ) (mW) 15 Operating temperature range (°C) -40 to 125
WQFN (RTE) 16 9 mm² 3 x 3
  • Performance
    • INL: ±1 LSB Maximum at 16-Bit Resolution
    • TUE: ±0.1% of FSR Maximum
  • Integrated 2.5 V Precision Internal Reference
    • Initial Accuracy: ±5 mV, Maximum
    • Low Drift: 2 ppm/°C Typical
  • High Drive Capability: 20 mA With 0.5 V From Supply Rails
  • Flexible Output Configuration
    • User Selectable Gain: 2, 1 or ½
    • Reset to Zero Scale or Midscale
  • Wide Operating Range
    • Power Supply: 2.7 V to 5.5 V
    • Temperature: –40˚C to +125˚C
  • 50-MHz, SPI-Compatible Serial Interface
    • 4-Wire Mode, 1.7 V to 5.5 V Operation
    • Daisy-Chain Operation
    • CRC Error Check
  • Low Power: 0.7 mA/Channel at 5.5 V
  • Small Package: 3-mm × 3-mm, 16-Pin WQFN
  • Performance
    • INL: ±1 LSB Maximum at 16-Bit Resolution
    • TUE: ±0.1% of FSR Maximum
  • Integrated 2.5 V Precision Internal Reference
    • Initial Accuracy: ±5 mV, Maximum
    • Low Drift: 2 ppm/°C Typical
  • High Drive Capability: 20 mA With 0.5 V From Supply Rails
  • Flexible Output Configuration
    • User Selectable Gain: 2, 1 or ½
    • Reset to Zero Scale or Midscale
  • Wide Operating Range
    • Power Supply: 2.7 V to 5.5 V
    • Temperature: –40˚C to +125˚C
  • 50-MHz, SPI-Compatible Serial Interface
    • 4-Wire Mode, 1.7 V to 5.5 V Operation
    • Daisy-Chain Operation
    • CRC Error Check
  • Low Power: 0.7 mA/Channel at 5.5 V
  • Small Package: 3-mm × 3-mm, 16-Pin WQFN

The DAC80504, DAC70504, and DAC60504 (DACx0504) are a pin-compatible family of low-power, four-channel, buffered voltage-output, digital-to-analog converters (DACs) with 16-, 14-, and 12-bit resolution. The DACx0504 includes a low drift, 2.5-V internal reference, eliminating the need for an external precision reference in most applications. A user-selectable gain configuration provides full-scale output voltages of 1.25 V (gain = ½), 2.5 V (gain = 1), or 5 V (gain = 2). These devices operate from a single 2.7-V to 5.5-V supply, are specified monotonic, and provide high linearity of ±1 LSB INL.

Communication to the DACx0504 is performed through a 4-wire serial interface that operates at clock rates of up to 50 MHz. The VIO pin enables serial interface operation from 1.7 V to 5.5 V. The DACx0504 flexible interface enables operation with a wide range of industry-standard microprocessors and microcontrollers.

The DACx0504 incorporate a power-on-reset circuit that powers up and maintains the DAC outputs at either zero scale or midscale until a valid code is written to the device. These device consume a low current of 0.7 mA/channel at 5.5 V, making these devices an excellent choice for battery-operated equipment. A per-channel power-down feature reduces the device current consumption to 15 µA.

The DACx0504 is characterized for operation over the temperature range of –40°C to +125°C, and is available in a small, 3-mm × 3-mm QFN package.

The DAC80504, DAC70504, and DAC60504 (DACx0504) are a pin-compatible family of low-power, four-channel, buffered voltage-output, digital-to-analog converters (DACs) with 16-, 14-, and 12-bit resolution. The DACx0504 includes a low drift, 2.5-V internal reference, eliminating the need for an external precision reference in most applications. A user-selectable gain configuration provides full-scale output voltages of 1.25 V (gain = ½), 2.5 V (gain = 1), or 5 V (gain = 2). These devices operate from a single 2.7-V to 5.5-V supply, are specified monotonic, and provide high linearity of ±1 LSB INL.

Communication to the DACx0504 is performed through a 4-wire serial interface that operates at clock rates of up to 50 MHz. The VIO pin enables serial interface operation from 1.7 V to 5.5 V. The DACx0504 flexible interface enables operation with a wide range of industry-standard microprocessors and microcontrollers.

The DACx0504 incorporate a power-on-reset circuit that powers up and maintains the DAC outputs at either zero scale or midscale until a valid code is written to the device. These device consume a low current of 0.7 mA/channel at 5.5 V, making these devices an excellent choice for battery-operated equipment. A per-channel power-down feature reduces the device current consumption to 15 µA.

The DACx0504 is characterized for operation over the temperature range of –40°C to +125°C, and is available in a small, 3-mm × 3-mm QFN package.
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DAC80508 現行 具有精密內部參考的真正 16 位元、8 通道、SPI、電壓輸出 DAC 8-channel device

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類型 標題 日期
* Data sheet DACx0504 Quad, 16-, 14-, 12-bit, SPI voltage output DACs with internal reference datasheet (Rev. C) PDF | HTML 2019年 1月 18日
EVM User's guide DAC80508-04 Evaluation Module User's Guide PDF | HTML 2023年 11月 13日
White paper 設計準確且多功能的鋰離子 電池測試解決方案 2020年 11月 10日
EVM User's guide DACx0504 Evaluation Module User's Guide (Rev. B) 2020年 4月 13日
Circuit design Circuit for offset adjustment of input signals using precision DAC 2019年 1月 25日

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

DAC80508-04EVM — DAC80508 和 DAC80504 評估模組

DAC80508-04EVM 評估模組 (EVM) 是用於評估 DAC80504 和 DAC80508 裝置的平台。DAC80508 安裝在 EVM 上。使用者可以將 DAC80508 替換爲 DAC80504。這些裝置是 16 位元緩衝電壓輸出數位轉類比轉換器 (DAC)。裝置包括 2.5V 5ppm/°C 內部參考和使用者可選增益配置，可提供 1.25V (增益 = 0.5)、2.5V (增益 = 1) 或 5V (增益 = 2) 的全刻度輸出電壓。DAC80508 採用 2.7V 至 5.5V 單電源供電，經過單調驗證，並提供 ±1 LSB INL 的出色線性度。
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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支援產品和硬體

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產品
精密 DAC (≤10 MSPS)
DAC80501 — 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 DAC80502 — 雙通道、1-LSB INL、16 位元、SPI 電壓輸出數位轉類比轉換器 (DAC) DAC80504 — 採用 QFN 封裝並提供精確內部參考的真實 16 位元、4 通道、SPI、電壓輸出 DAC DAC80508 — 具有精密內部參考的真正 16 位元、8 通道、SPI、電壓輸出 DAC
硬體開發
開發板
DAC80502-01EVM — DAC80502 和 DAC80501 評估模組 DAC80508-04EVM — DAC80508 和 DAC80504 評估模組
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模擬型號

DACx0504 IBIS Model

SBAM370.ZIP (39 KB) - IBIS Model
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計算工具

ANALOG-ENGINEER-CALC — 類比工程師計算機

The Analog Engineer’s Calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting op-amp gain with feedback (...)
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模擬工具

PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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模擬工具

TINA-TI — 基於 SPICE 的類比模擬程式

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
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