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Analog Devices / Maxim Integrated MAX11262 14 位、500ksps SAR 模数转换器

美信MAX11262 14-位 500ksps SAR 模数转换器是一款 +5V 单极伪差分输入 SAR 模数转换器，采用小型标准封装，具有卓越的交流和直流性能。这款模数转换器通常可达到 85.4dB SNR, -102dB THD, 和 ±0.2 LSB INL (典型值), ±0.12 LSB DNL (典型值)。MAX11262 确保 14位无失码。MAX11262 采用兼容 SPI 的串行接口进行通信，使用 2.5V、3V、3.3V 或 5V 逻辑电平。串行接口能够以菊链形式连接多个模数转换器，用于多通道应用；器件提供“忙”指示选项，简化系统同步和定时。

特性

  • High DC/AC accuracy provides better measurement
    • 14-bit resolution with no missing codes
    • 85.4dB SNR and -102dB THD at 10kHz
    • ±0.2 LSB INL (typ) and ±0.12 LSB DNL (Typ.)
  • High level of integration simplifies design
    • 0.1 LSBRMS transition noise
  • Flexible and low power supply saves space and cost
    • +5V analog and +2.3V to +5V digital supply
    • 24mW power consumption at 500ksps
    • Shutdown mode available
  • High sampling rate SAR ADC architecture enables fast settling and acquisition
    • 500ksps throughput rate with no pipeline delay/latency
  • Flexible industry-standard serial interface and small package save cost and space
    • SPI/QSPI™/MICROWIRE®/DSP-compatible
    • 3mm x 5mm, tiny 10-pin µMAX package

应用

  • Automatic test equipment
  • Industrial process control
  • Medical instrumentation
  • Narrowband receivers
  • Test and measurements

Typical Application Circuit

应用电路图 - Analog Devices / Maxim Integrated MAX11262 14 位、500ksps SAR 模数转换器
发布日期: 2015-01-15 | 更新日期: 2023-04-19