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ADS8325

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16 位、100kSPS 串行输出、2.7V 至 5.5V 微功耗采样 ADC

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ADS8325

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产品详情

Resolution (Bits) 16 Sample rate (max) (ksps) 100 Number of input channels 1 Interface type SPI Architecture SAR Input type Single-ended Rating Catalog Reference mode External Input voltage range (max) (V) 5.5 Input voltage range (min) (V) 0 Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 2.25 Analog supply voltage (min) (V) 2.7 Analog supply voltage (max) (V) 5.5 SNR (dB) 91 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.5
Resolution (Bits) 16 Sample rate (max) (ksps) 100 Number of input channels 1 Interface type SPI Architecture SAR Input type Single-ended Rating Catalog Reference mode External Input voltage range (max) (V) 5.5 Input voltage range (min) (V) 0 Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 2.25 Analog supply voltage (min) (V) 2.7 Analog supply voltage (max) (V) 5.5 SNR (dB) 91 Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.5
VSON (DRB) 8 9 mm² (3 mm × 3 mm) VSSOP (DGK) 8 14.7 mm² (3 mm × 4.9 mm)
  • 16-Bits No Missing Codes
  • Very Low Noise: 3LSBPP
  • Excellent Linearity: ±1.5LSB typ
  • microPower:
    • 4.5mW at 100kHz
    • 1mW at 10kHz
  • MSOP-8 and SON-8 Packages (SON Package Size Same as 3x3 QFN)
  • 16-Bit Upgrade to the 12-Bit ADS7816 and ADS7822
  • Pin-Compatible With the ADS7816, ADS7822, ADS7826, ADS7827, ADS7829, and ADS8320
  • Serial (SPI™/SSI) Interfaces
  • APPLICATIONS
    • Battery-Operated Systems
    • Remote Data Acquisition
    • Isolated Data Acquisition
    • Simultaneous Sampling, Multi-Channel Systems
    • Industrial Controls
    • Robotics
    • Vibration Analysis

SPI is a trademark of Motorola, Inc.
All other trademarks are the property of their respective owners.
  • 16-Bits No Missing Codes
  • Very Low Noise: 3LSBPP
  • Excellent Linearity: ±1.5LSB typ
  • microPower:
    • 4.5mW at 100kHz
    • 1mW at 10kHz
  • MSOP-8 and SON-8 Packages (SON Package Size Same as 3x3 QFN)
  • 16-Bit Upgrade to the 12-Bit ADS7816 and ADS7822
  • Pin-Compatible With the ADS7816, ADS7822, ADS7826, ADS7827, ADS7829, and ADS8320
  • Serial (SPI™/SSI) Interfaces
  • APPLICATIONS
    • Battery-Operated Systems
    • Remote Data Acquisition
    • Isolated Data Acquisition
    • Simultaneous Sampling, Multi-Channel Systems
    • Industrial Controls
    • Robotics
    • Vibration Analysis

SPI is a trademark of Motorola, Inc.
All other trademarks are the property of their respective owners.

The ADS8325 is a 16-bit, sampling, Analog-to-Digital (A/D) converter specified for a supply voltage range from 2.7V to 5.5V. It requires very little power, even when operating at the full 100kHz data rate. At lower data rates, the high speed of the device enables it to spend most of its time in the power-down mode. For example, the average power dissipation is less than 1mW at a 10kHz data rate.

The ADS8325 offers excellent linearity and very low noise and distortion. It also features a synchronous serial (SPI/SSI compatible) interface and a differential input. The reference voltage can be set to any level within the range of 2.5V to VDD.

Low power and small size make the ADS8325 ideal for portable and battery-operated systems. It is also a perfect fit for remote data acquisition modules, simultaneous multichannel systems, and isolated data acquisition. The ADS8325 is available in MSOP-8 and SON-8 packages. The SON package size is the same as a 3x3 QFN package.

The ADS8325 is a 16-bit, sampling, Analog-to-Digital (A/D) converter specified for a supply voltage range from 2.7V to 5.5V. It requires very little power, even when operating at the full 100kHz data rate. At lower data rates, the high speed of the device enables it to spend most of its time in the power-down mode. For example, the average power dissipation is less than 1mW at a 10kHz data rate.

The ADS8325 offers excellent linearity and very low noise and distortion. It also features a synchronous serial (SPI/SSI compatible) interface and a differential input. The reference voltage can be set to any level within the range of 2.5V to VDD.

Low power and small size make the ADS8325 ideal for portable and battery-operated systems. It is also a perfect fit for remote data acquisition modules, simultaneous multichannel systems, and isolated data acquisition. The ADS8325 is available in MSOP-8 and SON-8 packages. The SON package size is the same as a 3x3 QFN package.
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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 16-Bit, High-Speed, 2.7V to 5V microPower Sampling A/D Converter 数据表 (Rev. C) 2007-8-13
白皮书 Voltage-reference impact on total harmonic distortion 2016-8-1
用户指南 MSOP-8EVM and MSOP-8EVM-PDK User's Guide (Rev. A) 2016-2-2
电子书 Best of Baker's Best: Precision Data Converters -- SAR ADCs 2015-5-21
应用手册 Determining Minimum Acquisition Times for SAR ADCs, part 2 2011-3-17
应用手册 Determining Minimum Acquisition Times for SAR ADCs, part 1 (Rev. A) 2010-11-10
模拟设计期刊 Matching the noise performance of the operational amplifier to the ADC 2006-4-18
应用手册 High-Voltage Signal Conditioning for Differential ADCs 2004-6-14
应用手册 Interfacing the ADS8320/ADS8325 to TMS320C6711 DSP 2003-6-27

设计与开发

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评估板

ADS8325EVM-PDK — ADS8325 性能开发套件

ADS8325EVM-PDK 是一套完整的评估/演示套件，它将 ADS8325EVM 与用作主板的基于 DSP 的 MMB0 板组合在一起。此套件提供了主板和 ADCPro™ 评估软件，可与运行 Microsoft&#153 Windows 操作系统的个人电脑配合使用。此电路板组合能实现对 ADS8325 器件的完整评估。

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计算工具

ANALOG-ENGINEER-CALC — PC software analog engineer's calculator

模拟工程师计算器旨在加快模拟电路设计工程师经常运用的许多重复性计算。该基于 PC 的工具提供图形界面，其中显示各种常见计算列表，从使用反馈电阻器设置运算放大器增益到选择合适的电路设计元件，以稳定模数转换器 (ADC) 驱动器缓冲器电路。

除了可用作独立工具之外，该计算器还能很好地与模拟工程师口袋参考中所述的概念配合使用。

支持的产品和硬件
计算工具

JITTER-SNR-CALC — Jitter and SNR calculator

JITTER-SNR-CALC 可用于根据输入频率和时钟抖动来计算 ADC 的理论信噪比 (SNR) 性能。

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
封装 引脚 CAD 符号、封装和 3D 模型
VSON (DRB) 8 Ultra Librarian
VSSOP (DGK) 8 Ultra Librarian
适用于评估类项目的 TI 标准条款与条件。

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