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

DAC81001

現行

具有超低雜訊、低突波和優異 THD 的 16 位元單調 DAC

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產品規格表

DAC81001

現行
立即訂購

產品詳細資料

Resolution (Bits) 16 Number of DAC channels 1 Interface type SPI Output type Unbuffered Voltage Output voltage range (V) -10 to 10 INL (max) (±LSB) 1 Settling time (µs) 1 Reference type Ext Architecture R-2R Rating Catalog Sample/update rate (Msps) 0.4 Operating temperature range (°C) -40 to 125 Product type Precision DAC
Resolution (Bits) 16 Number of DAC channels 1 Interface type SPI Output type Unbuffered Voltage Output voltage range (V) -10 to 10 INL (max) (±LSB) 1 Settling time (µs) 1 Reference type Ext Architecture R-2R Rating Catalog Sample/update rate (Msps) 0.4 Operating temperature range (°C) -40 to 125 Product type Precision DAC
TQFP (PFB) 48 81 mm² (9 mm × 9 mm)
  • 20-bit monotonic: 1-LSB DNL (max)
  • Integral linearity: 4-LSB INL (max)
  • Low noise: 7nV/√Hz
  • Code independent low glitch:
    1 nV-s
  • Excellent THD: –105 dB at 1-kHz fOUT
  • Fast settling: 1 µs
  • Flexible output ranges: VREFPF to VREFNF
  • Integrated, precision feedback resistors
  • 50-MHz, 4-wire SPI-compatible interface
    • Readback
    • Daisy-chain
  • Temperature range: –40°C to +125˚C
  • Package: 48-pin TQFP
  • 20-bit monotonic: 1-LSB DNL (max)
  • Integral linearity: 4-LSB INL (max)
  • Low noise: 7nV/√Hz
  • Code independent low glitch:
    1 nV-s
  • Excellent THD: –105 dB at 1-kHz fOUT
  • Fast settling: 1 µs
  • Flexible output ranges: VREFPF to VREFNF
  • Integrated, precision feedback resistors
  • 50-MHz, 4-wire SPI-compatible interface
    • Readback
    • Daisy-chain
  • Temperature range: –40°C to +125˚C
  • Package: 48-pin TQFP

The 20-bit DAC11001A, 18-bit DAC91001, and 16-bit DAC81001 (DACx1001) are highly accurate, low-noise, voltage-output, single-channel, digital-to-analog converters (DACs). The DACx1001 are specified monotonic by design, and offer excellent linearity of less than 4 LSB (max) across all ranges.

The unbuffered voltage output offers low noise performance (7 nV/√Hz) in combination with a fast settling time (1µs), making this device an excellent choice for low-noise, fast control-loop, and waveform generation applications. The DACx1001 integrates an enhanced deglitch circuit with code-independent ultra-low glitch (1 nV-s) to enable clean waveform ramps with ultra-low total harmonic distortion (THD).

The DACx1001 devices incorporate a power-on-reset circuit so that the DAC powers with known values in the registers. With external references, DAC output ranges from VREFPF to VREFNF can be achieved, including asymmetric output ranges.

The DACx1001 use a versatile 4–wire serial interface that operates at clock rates of up to 50 MHz. The DACx1001 is specified over the industrial temperature range of –40°C to +125°C.

The 20-bit DAC11001A, 18-bit DAC91001, and 16-bit DAC81001 (DACx1001) are highly accurate, low-noise, voltage-output, single-channel, digital-to-analog converters (DACs). The DACx1001 are specified monotonic by design, and offer excellent linearity of less than 4 LSB (max) across all ranges.

The unbuffered voltage output offers low noise performance (7 nV/√Hz) in combination with a fast settling time (1µs), making this device an excellent choice for low-noise, fast control-loop, and waveform generation applications. The DACx1001 integrates an enhanced deglitch circuit with code-independent ultra-low glitch (1 nV-s) to enable clean waveform ramps with ultra-low total harmonic distortion (THD).

The DACx1001 devices incorporate a power-on-reset circuit so that the DAC powers with known values in the registers. With external references, DAC output ranges from VREFPF to VREFNF can be achieved, including asymmetric output ranges.

The DACx1001 use a versatile 4–wire serial interface that operates at clock rates of up to 50 MHz. The DACx1001 is specified over the industrial temperature range of –40°C to +125°C.
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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 DACx1001 20-Bit, 18-Bit, and 16-Bit, Low-Noise, Ultra-Low Harmonic Distortion, Fast-Settling, High-Voltage Output, Digital-to-Analog Converters (DACs) datasheet (Rev. B) PDF | HTML 2020/5/26
Circuit design 來自 +5V 供電電源且用於高電壓資料轉換器的精密、±15V 電 源供應電路 PDF | HTML Download English Version 2025/12/9
應用說明 Analog Time Gain Control (ATGC) Solutions for TI’s Ultrasound AFE PDF | HTML 2023/5/18
Application brief Impact of code-to-code glitch in precision applications 2019/2/20

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開發板

BP-DAC11001EVM — DAC11001 20 位元超低雜訊低突波單調 DAC BoosterPack™ 插入式模組

DAC11001 評估模組 (EVM) BoosterPack™ 外卦模組是一個易於使用的平台，用於評估 DAC11001 的功能與性能。DAC11001 是一款 20 位元解析度的單通道緩衝雙極輸出的數位類比轉換器 (DAC)。可提供高達 5V 的單極輸出電壓。

BP-DAC11001EVM 可透過類比評估模組 (EVM)（MSP-EXP432E401Y MCU LaunchPad™ 開發套件）提供 SPI 可程式化介面。

MSP-EXP432E401Y 不包含在 BP-DAC11001EVM 套件中。它可以單獨訂購，也可與 BP-DAC11001EVM 搭售。

使用指南: PDF
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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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