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Maxim产品 - MAX11903介绍

MAX11903 - 18-Bit, 1.6Msps, Low-Power, Fully Differential SAR ADC

MAX11903是Maxim美信半导体公司的一款数据转换器和采样-保持电路产品，MAX11903是18-Bit, 1.6Msps, Low-Power, Fully Differential SAR ADC，本站介绍了MAX11903的封装应用图解、特点和优点、功能等，并给出了与MAX11903相关的Maxim元器件型号供参考。

MAX11903 - 18-Bit, 1.6Msps, Low-Power, Fully Differential SAR ADC - 数据转换器和采样-保持电路 - Fast and Low-Power 18-Bit SAR ADC - 美信半导体

产品概述

The MAX11903 is an 18-bit, 1.6Msps, single-channel, fully differential SAR ADC with internal reference buffers. The MAX11903 provides excellent static and dynamic performance with best-in-class power consumption that directly scales with throughput. The device has a unipolar differential ±VREF input range. Supplies include a 3.3V supply for the reference buffers, a 1.8V analog supply, a 1.8V digital supply, and a 1.5V to 3.6V digital interface supply.

This ADC achieves 98dB SNR and -123dB THD, guarantees 18-bit resolution with no-missing codes and 2 LSB INL (max).

The MAX11903 communicates data using a SPI-compatible serial interface. The MAX11903 is offered in a 20-pin, 4mm x 4mm, TQFN package and is specified over the -40°C to +85°C operating temperature range.

关键特性
  • 以下关键特性由Maxim美信半导体提供：
  • High DC/AC Accuracy Provides Better Measurement Quality
  • 18-Bit Resolution with No Missing Codes
  • ±2 LSB INL and ±0.5 LSB DNL Maximum at 18 Bits
  • 98.0dB SNR and 97.8dB SINAD at fIN = 10kHz
  • -123dB THD at fIN = 10kHz
  • High Sampling Rate SAR Architecture Enables Fast Settling and Acquisition
  • 1.6Msps Throughput with No Pipeline Delay
  • Integration Simplifies Design
  • Integrated Reference Buffers, VREF = 2.5V to 3.6V
  • ±VREF Unipolar Differential Analog Input Range
  • Scalable Ultra-Low Power Supply Reduces Power Consumption
  • 9mW at 1.6Msps
  • Flexible Low-Voltage Supplies Save Cost
  • 1.8V Analog and Digital Core Supply
  • 1.5V to 3.6V Digital Interface Supply
  • 3.3V REFVDD Reference Buffer Supply
  • Flexible, Industry-Standard Serial Interface and Small Package Reduce Size
  • SPI-/QSPI™-/MICROWIRE®/DSP-Compatible
  • 20-Pin, 4mm x 4mm, TQFN Package
    • 热门应用
  • 自动测试设备
  • 电池供电设备
  • 数据采集系统
  • 医疗仪表
  • 过程控制与工业自动化
  • 电信
  • 测试与测量
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