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

DAC8564

現行

具有 2.5-V、2-ppm/C 內部參考的 16 位元、四通道、超低突波、Vout DAC

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產品規格表

DAC8564

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 Output voltage range (V) 0 to 5.5 INL (max) (±LSB) 8 Settling time (µs) 8 Reference type Ext, Int Architecture String Rating Catalog Features Low Power Sample/update rate (Msps) 0.2 Power consumption (typ) (mW) 3.1 Operating temperature range (°C) -40 to 105 Product type Precision DAC
Resolution (Bits) 16 Number of DAC channels 4 Interface type SPI Output type Buffered Voltage Output voltage range (V) 0 to 5.5 INL (max) (±LSB) 8 Settling time (µs) 8 Reference type Ext, Int Architecture String Rating Catalog Features Low Power Sample/update rate (Msps) 0.2 Power consumption (typ) (mW) 3.1 Operating temperature range (°C) -40 to 105 Product type Precision DAC
TSSOP (PW) 16 32 mm² (5 mm × 6.4 mm)
  • Relative Accuracy: 4LSB
  • Glitch Energy: 0.15nV-s
  • Internal Reference:
    • 2.5V Reference Voltage (enabled by default)
    • 0.004% Initial Accuracy (typ)
    • 2ppm/°C Temperature Drift (typ)
    • 5ppm/°C Temperature Drift (max)
    • 20mA Sink/Source Capability
  • Power-On Reset to Zero-Scale
  • Ultra-Low Power Operation: 1mA at 5V
  • Wide Power Supply Range: +2.7V to +5.5V
  • 16-Bit Monotonic Over Temperature Range
  • Settling Time: 10µs to ±0.003% Full-Scale Range (FSR)
  • Low-Power Serial Interface with Schmitt-Triggered Inputs: Up to 50MHz
  • On-Chip Output Buffer Amplifier with Rail-to-Rail Operation
  • 1.8V to 5.5V Logic Compatibility
  • Temperature Range: –40°C to +105°C
  • APPLICATIONS
    • Portable Instrumentation
    • Closed-Loop Servo-Control
    • Process Control, PLCs
    • Data Acquisition Systems
    • Programmable Attenuation
    • PC Peripherals

All other trademarks are the property of their respective owners
  • Relative Accuracy: 4LSB
  • Glitch Energy: 0.15nV-s
  • Internal Reference:
    • 2.5V Reference Voltage (enabled by default)
    • 0.004% Initial Accuracy (typ)
    • 2ppm/°C Temperature Drift (typ)
    • 5ppm/°C Temperature Drift (max)
    • 20mA Sink/Source Capability
  • Power-On Reset to Zero-Scale
  • Ultra-Low Power Operation: 1mA at 5V
  • Wide Power Supply Range: +2.7V to +5.5V
  • 16-Bit Monotonic Over Temperature Range
  • Settling Time: 10µs to ±0.003% Full-Scale Range (FSR)
  • Low-Power Serial Interface with Schmitt-Triggered Inputs: Up to 50MHz
  • On-Chip Output Buffer Amplifier with Rail-to-Rail Operation
  • 1.8V to 5.5V Logic Compatibility
  • Temperature Range: –40°C to +105°C
  • APPLICATIONS
    • Portable Instrumentation
    • Closed-Loop Servo-Control
    • Process Control, PLCs
    • Data Acquisition Systems
    • Programmable Attenuation
    • PC Peripherals

All other trademarks are the property of their respective owners

The DAC8564 is a low-power, voltage-output, four-channel, 16-bit digital-to-analog converter (DAC). The device includes a 2.5V, 2ppm/°C internal reference (enabled by default), giving a full-scale output voltage range of 2.5V. The internal reference has an initial accuracy of 0.004% and can source up to 20mA at the VREFH/VREFOUT pin. The device is monotonic, provides very good linearity, and minimizes undesired code-to-code transient voltages (glitch). The DAC8564 uses a versatile 3-wire serial interface that operates at clock rates up to 50MHz. The interface is compatible with standard SPI, QSPI, Microwire, and digital signal processor (DSP) interfaces.

The DAC8564 incorporates a power-on-reset circuit that ensures the DAC output powers up at zero-scale and remains there until a valid code is written to the device. The device contains a power-down feature, accessed over the serial interface, that reduces the current consumption of the device to 1.3µA at 5V. Power consumption is 2.9mW at 3V, reducing to 1.5µW in power-down mode. The low-power consumption, internal reference, and small footprint make this device ideal for portable, battery-operated equipment.

The DAC8564 is drop-in and functionally compatible with the DAC7564 and DAC8164, and functionally compatible with the DAC7565, DAC8165, and DAC8565. All these devices are available in a TSSOP-16 package.

The DAC8564 is a low-power, voltage-output, four-channel, 16-bit digital-to-analog converter (DAC). The device includes a 2.5V, 2ppm/°C internal reference (enabled by default), giving a full-scale output voltage range of 2.5V. The internal reference has an initial accuracy of 0.004% and can source up to 20mA at the VREFH/VREFOUT pin. The device is monotonic, provides very good linearity, and minimizes undesired code-to-code transient voltages (glitch). The DAC8564 uses a versatile 3-wire serial interface that operates at clock rates up to 50MHz. The interface is compatible with standard SPI, QSPI, Microwire, and digital signal processor (DSP) interfaces.

The DAC8564 incorporates a power-on-reset circuit that ensures the DAC output powers up at zero-scale and remains there until a valid code is written to the device. The device contains a power-down feature, accessed over the serial interface, that reduces the current consumption of the device to 1.3µA at 5V. Power consumption is 2.9mW at 3V, reducing to 1.5µW in power-down mode. The low-power consumption, internal reference, and small footprint make this device ideal for portable, battery-operated equipment.

The DAC8564 is drop-in and functionally compatible with the DAC7564 and DAC8164, and functionally compatible with the DAC7565, DAC8165, and DAC8565. All these devices are available in a TSSOP-16 package.
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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 16-Bit, Quad Chan, Ultra-Low Glitch, Voltage Output DAC w/2.5V, 2ppm/C Int. Ref. datasheet (Rev. D) 2011/5/9

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

BOOST-DAC8568 — DAC8568 低功耗、電壓輸出、八通道 16 位元 DAC BoosterPack

BOOST-DAC8568 (Booster Pack) 是方便好用的平台，可連接 MSP430F5529 LaunchPad。  DAC8568 裝置是低功率、電壓輸出、八通道、16 位元的數位轉類比轉換器 (DAC)。  此裝置包含 2.5V、2ppm/°C 內部參考（預設為停用），可提供 2.5V 的全刻度輸出電壓範圍。內部參考的初始準確度為 0.004%，並可提供高達 20mA 的源極功能。
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開發板

DAC8564EVM — DAC8564 評估模組

This EVM features the DAC8564 digital-to-analog converter (DAC). The DAC8564/65EVM is a simple evaluation module designed as a quick and easy way to evaluate the functionality and performance of the 16 bit high-resolution, quad-channel, and serial input DAC with a built-in 2.5V internal reference (...)

使用指南: PDF
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開發板

DAC8565EVM — DAC8565 評估模組

This EVM features the DAC8565 digital-to-analog converter (DAC). The DAC8564/65EVM is a simple evaluation module designed as a quick and easy way to evaluate the functionality and performance of the 16 bit high-resolution, quad-channel, and serial input DAC with a built-in 2.5V internal reference (...)

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

DAC8564 IBIS Model

SBAM060.ZIP (12 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-00080 — 基於隔離式 Delta-Sigma 調變器的 AC/DC 電壓和電流量測模組參考設計

這款隔離分流架構的電流量測單元無需使用電流變壓器 (CT) ，即可進行高準確度的電流量測。隔離是透過使用整合高電壓隔離與 ΔΣ 調變器的 AMC1304 來實現。此解決方案可消除客戶重視的 CT 需求，因為電路板尺寸會縮小、產品重量降低、系統串音與 EMI 減少，並以分流器取代 CT 來降低機械問題，進而延長產品使用壽命。

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參考設計

TIDA-00171 — 適用於馬達驅動器的隔離電流分流及電壓測量參考設計

此評估套件與參考設計在 C2000™ TMS320F28377D Delfino™ 微控制器中實作 AMC130x 強化型隔離 ΔΣ 調變器與整合式 Sinc 濾波器。此設計可評估這些量測的性能：三個馬達電流、三個逆變器電壓和 DC 鏈路電壓。  套件中提供的韌體，可用於配置 Sinc 濾波器、設定 PLL 頻率，以及從 Sinc 濾波器接收資料。另外也提供多用途執行階段 GUI，以協助使用者驗證 AMC130x 性能，並支援對 Delfino 控制器中的 Sinc 濾波器參數進行配置變更。

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TSSOP (PW) 16 Ultra Librarian
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