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数模转换器 (DAC)
精密 DAC (≤10 MSPS)

DAC11001A

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具有超低噪声、低干扰和出色 THD 的 20 位单调 DAC

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数据表

DAC11001A

正在供货
数据表 立即订购

产品详情

Resolution (Bits) 20 Number of DAC channels 1 Interface type SPI Output type Unbuffered Voltage Output voltage range (V) -10 to 10 INL (max) (±LSB) 4 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) 20 Number of DAC channels 1 Interface type SPI Output type Unbuffered Voltage Output voltage range (V) -10 to 10 INL (max) (±LSB) 4 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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DAC11001B 正在供货 具有超低噪声、低干扰和出色 THD 性能的 20 位单调高级 DAC DAC11001B is more accurate and has better AC performance.

技术文档

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顶层文档 类型 标题 格式选项 下载最新的英语版本 日期
* 数据表 DACx1001 20-Bit, 18-Bit, and 16-Bit, Low-Noise, Ultra-Low Harmonic Distortion, Fast-Settling, High-Voltage Output, Digital-to-Analog Converters (DACs) 数据表 (Rev. B) PDF | HTML 2020-5-26
应用手册 精密数据转换器选型指南 PDF | HTML PDF | HTML 2026-5-19
电路设计 从 +5V 电源生成 ±15V 的适用于高压数据转换器的精密电源电 路 PDF | HTML 英语版 PDF | HTML 2025-12-12
应用手册 Error Calculation for Unbuffered R2R DAC – Example Using DAC11001A (Rev. A) PDF | HTML 2022-8-24
技术文章 How DACs can help you increase the precision of laser marking systems PDF | HTML 2020-2-7
应用简报 Impact of code-to-code glitch in precision applications 2019-2-20

设计与开发

如需其他信息或资源，请点击以下任一标题进入详情页面查看（如有）。

评估板

BP-DAC11001EVM — DAC11001 20 位超低噪声、低故障单一 DAC BoosterPack™ 插件模块

DAC11001 评估模块 (EVM) BoosterPack™ 插件模块是一个易于使用的平台，用于评估 DAC11001 的功能和性能。DAC11001 是一款具有 20 位分辨率的单通道缓冲双极输出数模转换器 (DAC)。它提供高达 5V 的单极输出电压。

BP-DAC11001EVM 通过模拟评估模块 (EVM)（MSP-EXP432E401Y MCU LaunchPad™ 开发套件）提供 SPI 编程接口。

BP-DAC11001EVM 套件中不包含 MSP-EXP432E401Y。它可以单独订购，也可以与 BP-DAC11001EVM 一起捆绑订购。

用户指南: PDF
支持的产品和硬件
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限制：
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无货
支持软件

SLAC774 — BP-DAC11001EVM Software

支持的产品和硬件
仿真模型

DAC11001A IBIS Model

SLAM344.ZIP (75 KB) - IBIS 模型
支持的产品和硬件
设计工具

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.
支持的产品和硬件
参考设计

TIDA-060031 — 适用于 Hi-Fi 应用中高级音频的精密 DAC 参考设计

DAC11001 音频参考设计是采用 DAC11001A 和 DAC11001B 的独特而全面的音频设计。DAC11001 是一种 20 位低噪声超高性能精密 R-2R 数模转换器 (DAC)。Δ-Σ 型调制器是音频应用中最常用的 DAC。由于针对特定音频要求存在额外设计注意事项，基于精密 R-2R 的 DAC 通常不用于音频应用。本参考设计展示了高保真音频应用中用于动态信号生成的精密 R-2R DAC 的优势和局限性。

支持的产品和硬件
封装 引脚 CAD 符号、封装和 3D 模型
TQFP (PFB) 48 Ultra Librarian
适用于评估类项目的 TI 标准条款与条件。

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