MAX11903

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

Fast and Low-Power 18-Bit SAR ADC

Data Sheet (Rev. 2)
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Part Details

  • 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
MAX11903
18-Bit, 1.6Msps, Low-Power, Fully Differential SAR ADC
MAX11903: Application Diagram
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Documentation

Data Sheet 1

Reliability Data 1

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Tools & Simulations

IBIS Model 1

Evaluation Kits

eval board
schematic 1
MAX11905EVKIT

Evaluation Kit for the MAX11900, MAX11901, MAX11902, MAX11903, MAX11904, and MAX11905

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Features and Benefits

  • Peripheral Module and FMC Connector for Interface
  • 75MHz SPI Clock Capability through FMC Connector
  • 37.5MHz SPI Clock Capability through Peripheral Module Connector
  • Sync In and Sync Out for Coherent Sampling
  • On-Board Input Buffers (MAX9632)
  • On-Board +3.0V Reference Voltage (MAX6126)
  • Windows XP-, Windows Vista-, Windows 7-, and Windows 8/8.1-Compatible Software

Product Details

The MAX11905 evaluation kit (EV kit) demonstrates the MAX11905, 20-bit, 1.6Msps, single-channel, fully differential SAR ADC with internal reference buffers. The EV kit includes a graphical user interface (GUI) that provides communication from the Avnet ZedBoard™ development board for the Xilinx® Zynq®-7000 SoC.

The ZedBoard communicates with the PC through an Ethernet cable using Windows XP®-, Windows Vista®-, Windows® 7-, or Windows 8/8.1-compatible software.

The EV kit comes with the MAX11905ETP+ installed.

Please contact the factory for the pin-compatible MAX11900ETP+ (16-bit, 1Msps), MAX11901ETP+ (16-bit, 1.6Msps), MAX11902ETP+ (18-bit, 1Msps), MAX11903ETP+ (18-bit, 1.6Msps), and MAX11904ETP+ (20-bit, 1Msps)

Applications

  • Automatic Test Equipment
  • Battery-Powered Equipment
  • Data Acquisition Systems
  • Medical Instrumentation
  • Process Control and Industrial Automation
  • Telecommunications
  • Test and Measurement
MAX11905EVKIT
Evaluation Kit for the MAX11900, MAX11901, MAX11902, MAX11903, MAX11904, and MAX11905
MAX11905EVKIT: System Block Diagram

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