MAX11960

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Dual Simultaneous Sampling, 20-Bit, 1Msps, Differential SAR ADC

Industry's first 20 bit dual simultaneous sampling ADC

Data Sheet (Rev. 01) Product Selection Table
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Overview

  • 20-Bit Resolution with No Missing Codes
  • 1Msps Throughput with No Pipeline Delay
  • 18mW at 1Msps, Ultra-Low Power Consumption
  • ±1.5 LSB INL, Over Temperature
  • ±1 LSB DNL Maximum at 20 Bits
  • 99dB SNR at fIN = 10kHz
  • 99dB SINAD at fIN = 10kHz
  • -123dB THD at fIN = 10kHz
  • ±VREF Unipolar Differential Analog Input Range
  • VREF = 2.5V to 3.6V
  • Integrated Reference Buffers
  • 1.8V Analog and Digital Core Supply
  • 3.3V REFVDD Reference Buffer Supply
  • 1.5V to 3.6V Digital Interface Supply
  • Serial Interface SPI/QSPI™/MICROWIRE®/DSP-Compatible
  • -40°C to +85°C Operation*
  • 32-Pin, 5mm × 5mm, TQFN Package

The MAX11960 is a 20-bit, 1Msps, dual simultaneous sampling, fully differential SAR ADC with internal reference buffers. The MAX11960 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 99dB SNR and -123dB THD, guarantees 20-bit resolution with no-missing codes and 5 LSB INL (max).

The MAX11960 communicates data using a SPI-compatible serial interface. The MAX11960 is offered in a 32-pin, 5mm × 5mm, TQFN package and is specified over the -40°C to +85°C operating temperature range.

Applications

  • Automatic Test Equipment
  • Data Acquisition Systems
  • Encoder and Resolver in Motion Control
  • Medical Instrumentation
  • Process Control and Industrial Automation
  • Redundant Measurement
  • Telecommunications
MAX11960
Dual Simultaneous Sampling, 20-Bit, 1Msps, Differential SAR ADC
MAX11960: Functional Diagram
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Documentation

Data Sheet 1

Reliability Data 1

Design Note 1

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Analog to Digital Converters (ADCs) 1
MAX11905
PRODUCTION 20-Bit, 1.6Msps, Low-Power, Fully Differential SAR ADC
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Tools & Simulations

Software Development 4

IBIS Model 1

Evaluation Kits

MAX11960EVKIT

Evaluation Kit for the MAX11960

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Features and Benefits

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

Product Details

The MAX11960 evaluation kit (EV kit) demonstrates the device’s, 20-bit, 1.0Msps, dual-channel, fully differential SAR ADC with internal reference buffers. 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 is not included with the EV kit and must be purchased through Avnet.

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

The EV kit comes with the MAX11960ETP+ installed.

Applications

  • Automatic Test Equipment
  • Data Acquisition Systems
  • Encoder and Resolver in Motion Control
  • Medical Instrumentation
  • Process Control and Industrial Automation
  • Redundant Measurement
  • Telecommunications
MAX11960EVKIT
Evaluation Kit for the MAX11960

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