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描述

TIDA-01351 是用于超声成像系统(64、128、192、256 通道超声系统)的连续波 (CW) 信号调节子系统。此设计具有 20 位全差动同步采样特性,提供真实原始数据用于处理。此 TI 设计包括 I 和 Q (...)

主要特色

  • 两个同步通道(I 和 Q)的全差动信号链提供零延迟真实原始数据,SNR 为 101.2dB,ENOB 为 16.45
  • 在单级高带宽、低功耗、低噪声、单电源中实现 8 通道求和、滤波、缓冲和增益
  • 1 MSPS 的高采样率便于灵活进行后续处理以改善 SNR 和分辨率
  • 适合频率范围 50 Hz 至 20 kHz 的带通滤波
  • 由单个 6 V 电源供电,总功耗为 258 mW
  • 设计采用 20 位 1 MSPS SAR ADC (ADS8900B),INL 为 1ppm,SNR 为 104.5dB

Products Matched

  • 数据转换器

描述

This reference design showcases a data acquisition architecture that uses a dual channel SAR ADC paired with a digital isolator with integrated power converter to achieve phase isolated, simultaneous   measurement of voltage and current. Accuracy of <0.3% is achieved using 12-bit (...)

主要特色

  • Phase isolated simultaneous voltage and current measurement using highly integrated components.
  • Simultaneous AC voltage and current measurement accuracy:– AC Voltage: < ±0.25% for 5 to 300 V. – AC Current: < ±0.3% for 0.5 to 50 A
  • Data acquisition specifications: 
    • 12-bit, 14-bit at 750ksps pin compatible (...)

Products Matched

  • 数据转换器

描述

This reference design shows how to detect current from the mA-to-KA range using a busbar-type shunt resistor. The increasing demand of high-capacity batteries in electric vehicles (EVs) and hybrid electric vehicles (HEVs) drives the requirement for larger current spans and highly-accurate current (...)

主要特色

  • Full-scale accuracy of:
    • 0.02% full-scale range (FSR) for < 20A and < 0.05% FSR for 20A to 1500A at 25°C
    • 0.1% FSR for < 20A and 0.25% FSR for 20A to 1500A at 50°C
  • Suitable for 50mA to 1500A range current measurement; configurable to varied current spans
  • High-side sensing and low-side sensing
  • Supports (...)

Products Matched

  • 数据转换器

描述

High speed multi-channel applications require precise clocking solutions capable of managing channel-to-channel skew in order to achieve optimal system SNR, SFDR, and ENOB. This reference design is capable of supporting two high speed channels on separate boards by utilizing TI’s LMX2594 (...)

主要特色

  • Up to 15GHz sample clock generation
  • Multi-channel JESD204B compliant clock solution
  • Low phase noise clocking for RF sampling ADC/DAC
  • Configurable phase synchronization to achieve low skew in multi-channel system
  • Supports TI’s high-speed converter and capture cards (ADC12DJ3200EVM, TSW14J56 / TSW14J57)

Products Matched

  • 数据转换器

描述

TIDA-00834 参考设计使用对于准确而快速地确定电源系统故障和电源质量相关故障至关重要的同步采样、16 位、±10 V、双极输入 SAR ADC 来精确测量电压和电流输入。这可以减少电源系统停机时间。AFE 包含基于精密仪器或精密放大器的信号调节功能,用于进行高达 125A 的电流测量,还包含基于运算放大器的信号调节电路,用于进行高达 300V 的电压测量。电压和电流输入增益放大器用于将传感器输出调节到 ADC 范围。使用比较器和 FPGA 实现模拟输入信号的相干采样。使用 +5V 输入生成数据采集前端的电源。

主要特色

  • 基于双极输入 16 位 8 通道同步采样 SAR ADC,可简化系统设计
  • 带增强型隔离放大器和固定增益精密放大器的板载分压器,用于测量高达 300V 的电压
  • 板载直流/直流转换器和 LDO,用于通过单个 +5V 输入生成 ±12V、±15V、±5V、+5V、+3.3V 和隔离式 +5V 输出,能够轻松适应当前的设计
  • 针对 ≥ 1000:1 的动态范围,测量精度在 ±0.25% 以内
  • 提供使用 HMI 配置数据采集的采样率和周期数的选项,从而增强系统性能

Products Matched

  • 数据转换器

描述

This three-phase, compact power stage reference design for industrial drives, which uses a UCC53xx gate driver to support basic capacitive isolation requirements, provides an increased lifespan and better propagation delay match over optocouplers to minimize inverter deadband distortions and losses (...)

主要特色

  • Basic isolated 200- to 48-V AC three-phase power statge with direct PWM CMOS interface to MCU for hot-side control
  • Low pin count gate driver UCC53xx enables compact solution and increased flexibility of gate driver placement
  • Short (72ns typical) propagation delay and very small skew between (...)

Products Matched

  • 数据转换器

描述

The TIDA-01055 reference design for high performance DAQ Systems optimizes the ADC reference buffer to improve SNR performance and reduce power consumption with the TI OPA837 high-speed op amp. This device is used in a composite buffer configuration and provides a 22% power improvement over (...)

主要特色

  • Two stage buffer design for reducing noise generated from voltage reference
  • Implements new low power reference driver with the slew rate capability to drive a 2MSPS SAR ADC

Products Matched

  • 数据转换器

描述

The TIDA-01455 is a reinforced isolated, in-line, shunt-based, precision-phase current sensing reference design for three-phase inverters. One of the challenges with GaN or SiC inverters at high PWM switching is accurate phase current sensing across the shunt in presence of noise due to the high PWM (...)

主要特色

  • ±10-A current range With 5-mΩ shunt due to AMC1306E05 unique low input voltage range (±50 mV) allows significant reduction of power dissipation through shunt
  • Precision current sensing with accuracy better than ±0.25% (calibrated at 25°C) across temperature, tested with three-phase GaN (...)

Products Matched

  • 数据转换器

描述

预测性维护需要监控状态,而工业振动传感更是其中不可或缺的组成部分。集成电子压电式 (IEPE) 传感器是工业环境中最常用的振动传感器。本参考设计采用完全模拟的 IEPE 传感器接口前端,展示了如何通过提供低功率和低占用空间来实现灵活高速的高分辨率转换。

主要特色

  • 单通道 IEPE 传感器模拟输出
  • 24 位转换精度
  • 可编程数据速率:265kSPS 到 32kSPS
  • 20kHz 信号带宽
  • ±10V 交流输入,250kΩ 输入阻抗

Products Matched

  • 数据转换器

描述

This reference design provides accurate measurements of ambient light intensity used to detect arc flash faults with a fast response of 1 ms, protecting or minimizing damages to power distribution switchgear. This design also monitors temperature (using switch, analog, digital or remote ), humidity (...)

主要特色

  • Measures light, temperature, humidity, dust, vibration and pressure with support for multiple types of temperature and ambient light sensors
  • Measures arc flash light using analog output ambient light sensor for fast response of <1 ms
  • Uses 10-bit SAR ADC with I2C interface and alert output to measure (...)

Products Matched

  • 数据转换器

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