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

DAC5578

現行

8 位元、8 通道、超低突波、電壓輸出、2 線介面 DAC

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產品規格表

DAC5578

現行
產品規格表 立即訂購

產品詳細資料

Resolution (Bits) 8 Number of DAC channels 8 Interface type I2C Output type Buffered Voltage Output voltage range (V) 0 to 5.5 INL (max) (±LSB) 0.25 Settling time (µs) 7 Reference type Ext Architecture String Rating Catalog Features Reset to Mid-Scale Sample/update rate (Msps) 0.083 Power consumption (typ) (mW) 3.4 Operating temperature range (°C) -40 to 125 Product type General-purpose DAC
Resolution (Bits) 8 Number of DAC channels 8 Interface type I2C Output type Buffered Voltage Output voltage range (V) 0 to 5.5 INL (max) (±LSB) 0.25 Settling time (µs) 7 Reference type Ext Architecture String Rating Catalog Features Reset to Mid-Scale Sample/update rate (Msps) 0.083 Power consumption (typ) (mW) 3.4 Operating temperature range (°C) -40 to 125 Product type General-purpose DAC
VQFN (RGE) 24 16 mm² (4 mm × 4 mm) TSSOP (PW) 16 32 mm² (5 mm × 6.4 mm)
  • Relative Accuracy:
    • DAC5578 (8 bit): 0.25LSB INL
    • DAC6578 (10 bit): 0.5LSB INL
    • DAC7578 (12 bit): 1LSB INL
  • Glitch Energy: 0.15nV-s
  • Power-On Reset to Zero Scale or Midscale
    • Devices in the TSSOP Package Reset to Zero Scale
    • Devices in the QFN Package Reset to Zero Scale or Midscale
  • Ultra-Low Power Operation: 0.13mA/ch at 5V
  • Wide Power-Supply Range: +2.7V to +5.5V
  • 2-Wire Serial Interface (I2C compatible)
  • Temperature Range: –40°C to +125°C
  • APPLICATIONS
    • Portable Instrumentation
    • Closed-Loop Servo Control
    • Process Control
    • Data Acquisition Systems

All other trademarks are the property of their respective owners
  • Relative Accuracy:
    • DAC5578 (8 bit): 0.25LSB INL
    • DAC6578 (10 bit): 0.5LSB INL
    • DAC7578 (12 bit): 1LSB INL
  • Glitch Energy: 0.15nV-s
  • Power-On Reset to Zero Scale or Midscale
    • Devices in the TSSOP Package Reset to Zero Scale
    • Devices in the QFN Package Reset to Zero Scale or Midscale
  • Ultra-Low Power Operation: 0.13mA/ch at 5V
  • Wide Power-Supply Range: +2.7V to +5.5V
  • 2-Wire Serial Interface (I2C compatible)
  • Temperature Range: –40°C to +125°C
  • APPLICATIONS
    • Portable Instrumentation
    • Closed-Loop Servo Control
    • Process Control
    • Data Acquisition Systems

All other trademarks are the property of their respective owners

The DAC5578 (8 bit), DAC6578 (10 bit), and DAC7578 (12 bit) are low-power, voltage-output, octal channel, digital-to-analog converters (DACs). The devices are monolithic, provide good linearity,and minimize undesired code-to-code transient voltages (glitch).

The devices use a versatile, 2-wire serial interface that is I2C-compatible and operates at clock rates of up to 3.4MHz. Multiple devices can share the same bus.

The devices incorporate a power-on-reset (POR) circuit that ensures the DAC output powers up to zero-scale or midscale until a valid code is written to the device. These devices also contain a power-down feature, accessed through the serial interface, that reduces the current consumption of the devices to typically 0.42µA at 5V. Power consumption is typically 2.32mW at 3V, reducing to 0.68µW in power-down mode. The low power consumption and small footprint make these devices ideal for portable, battery-operated equipment.

The DAC5578, DAC6578, and DAC7578 are drop-in and functionally-compatible with the DAC7678. All devices are available in a 4x4, QFN-24 package and a TSSOP-16 package.

The DAC5578 (8 bit), DAC6578 (10 bit), and DAC7578 (12 bit) are low-power, voltage-output, octal channel, digital-to-analog converters (DACs). The devices are monolithic, provide good linearity,and minimize undesired code-to-code transient voltages (glitch).

The devices use a versatile, 2-wire serial interface that is I2C-compatible and operates at clock rates of up to 3.4MHz. Multiple devices can share the same bus.

The devices incorporate a power-on-reset (POR) circuit that ensures the DAC output powers up to zero-scale or midscale until a valid code is written to the device. These devices also contain a power-down feature, accessed through the serial interface, that reduces the current consumption of the devices to typically 0.42µA at 5V. Power consumption is typically 2.32mW at 3V, reducing to 0.68µW in power-down mode. The low power consumption and small footprint make these devices ideal for portable, battery-operated equipment.

The DAC5578, DAC6578, and DAC7578 are drop-in and functionally-compatible with the DAC7678. All devices are available in a 4x4, QFN-24 package and 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 8/10/12-Bit, Octal-Chan, Ultra-Low Glitch, Voltage Output, 2-Wire Interface DACs datasheet (Rev. B) 2012/8/30
應用說明 A Basic Guide to I2C PDF | HTML 2022/11/8

設計與開發

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開發板

DAC7678EVM — DAC7678 評估模組

The DAC7678EVM is designed to evaluate the DAC7678, DAC5578, DAC6578, or DAC7578 digital to analog converters. By default, the DAC7678EVM is available with the DAC7678 installed but can be replaced with any one of the other pin compatible devices. The EVM provides a quick and easy way to evaluate (...)

使用指南: PDF
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模擬型號

DAC5(6,7)578 IBIS Model

SBAM034.ZIP (59 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-00420 — ADC 架構、數位隔離、廣泛輸入、16 通道、AC/DC 二進位輸入參考設計

此參考設計展現具強化型隔離的成本最佳化、可擴充 ADC 架構 AC/DC 二進位輸入模組 (BIM) 架構。10 位元或 12 位元 SAR ADC 的 16 通道，用於感測多個二進位輸入。運算放大器除了維持低每頻道成本外，也可為各輸入提供最佳訊號調節。數位隔離器 (基本型或強化型) 可用於隔離主機 MCU 或處理器。提供可測量溫度，濕度和磁場以進行診斷的設備。具可配置輸出的強化型隔離 DC/DC 電源供應器，可提供二進位模組所需的電源。

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參考設計

TIDA-010005 — 軟體可配置心臟節律器偵測模組參考設計

此參考設計採用精巧的硬體架構電路，可在 ECG 量測期間偵測心臟節律器脈衝。它透過旗標和板載 LED 提供有效心律訊號指示。此設計讓使用者能透過板載 DAC 使用軟體來配置心律訊號的各種參數（振幅、上升時間、脈衝持續時間、極性）。測量值可透過板載 ADC 讀取。心律訊號從電路板上的雜訊 ECG 訊號中擷取，並進行放大與調節。與 TI ADS129X 系列裝置配合使用時，具有心律偵測功能。
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封裝 針腳 CAD 符號、佔位空間與 3D 模型
VQFN (RGE) 24 Ultra Librarian
TSSOP (PW) 16 Ultra Librarian
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