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数模转换器 (DAC)
精密 DAC (≤10 MSPS)

DAC81001

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具有超低噪声、低干扰和出色 THD 的 16 位单调 DAC

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数据表

DAC81001

正在供货
数据表 立即订购

产品详情

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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* 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
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应用手册 适用于 TI 超声 AFE 的模拟时间增益控制 (ATGC) 解决方案 PDF | HTML 英语版 PDF | HTML 2023-5-19
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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。

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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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