MAX11905
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MAX11905

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

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Fastest and Lowest Power 20-Bit SAR ADC

Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Details
Part Models 2
1ku List Price Starting From $39.17
Features
  • High DC/AC Accuracy Provides Better Measurement Quality
    • 20-Bit Resolution with No Missing Codes
    • ±6 LSB INL and ±1 LSB DNL Maximum at 20 Bits
    • 98.3dB SNR and 98.1dB 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
Additional Details
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The MAX11905 is a 20-bit, 1.6Msps, single-channel, fully differential SAR ADC with internal reference buffers. The MAX11905 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 98.3dB SNR and -123dB THD, guarantees 20-bit resolution with no-missing codes and 6 LSB INL (max).

The MAX11905 communicates data using a SPI-compatible serial interface. The MAX11905 is offered in a 20-pin, 4mm x 4mm, TQFN package and is specified over the -40°C to +85°C operating temperature range.

Applications

  • Automatic Test Equipment
  • Battery-Powered Equipment
  • Data Acquisition Systems
  • Medical Instrumentation
  • Process Control and Industrial Automation
  • Telecommunications
  • Test and Measurement
Part Models 2
1ku List Price Starting From $39.17

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Documentation

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Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
MAX11905ETP+
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Product Lifecycle

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Sep 13, 2018

- 1806

ELECTRICAL DATASHEET

MAX11905ETP+

PRODUCTION

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Part Models

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Sep 13, 2018

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ELECTRICAL DATASHEET

MAX11905ETP+

PRODUCTION

Evaluation Kit

Evaluation Kits 2

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MAX11905DIFEVKIT

Evaluation Kit for the MAX11905

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MAX11905DIFEVKIT

Evaluation Kit for the MAX11905

Evaluation Kit for the MAX11905

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 Buffer (MAX44205)
  • On-Board +3.0V Reference Voltage (MAX6126)
  • Windows XP-, Windows Vista-, Windows 7-, and Windows 8/8.1-Compatible Software

Product Detail

The MAX11905 differential evaluation kit (EV kit) demonstrates the MAX11905, 20-bit, 1.6Msps, single-channel, fully differential SAR ADC with internal reference buffers. The EV kit uses the MAX44205, a low-noise fully differential operational amplifier. The EV kit includes a graphical user interface (GUI) that provides communication from Avnet’s ZedBoard™ development board for the Xilinx Zynq®-7000 SoC. The ZedBoard, not included with the EV kit, must be purchased through Avnet, Inc.

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.

Applications

  • Automatic Test Equipment
  • Battery-Powered Equipment
  • Data Acquisition Systems
  • Medical Instrumentation
  • Process Control and Industrial Automation
  • Telecommunications
  • Test and Measurement
reference details image

MAX11905EVKIT

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

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MAX11905EVKIT

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

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

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 Detail

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

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