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Home » NEWEST Products » New by Manufacturer » Maxim Integrated » MAX11905 Single-Channel ADC - Maxim
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Maxim MAX11905 Single-Channel Analog-to-Digital Converter (ADC)

Maxim MAX11905 Single-Channel Analog-to-Digital
Converter (ADC)

Maxim's MAX11905 Single-Channel Analog-to-Digital Converter (ADC) 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.

Features
  • 20-Bit Resolution with No Missing Codes
  • 1.6Msps Throughput with No Pipeline Delay
  • 9mW at 1.6Msps, Ultra-Low Power Consumption
  • ±6 LSB INL, ~5ppm Over Temperature
  • ±1 LSB DNL Maximum at 20 Bit
  • 98.3dB SNR at fIN = 10kHz
  • 98.1dB 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
  • 20-Pin, 4mm × 4mm, TQFN Package
Applications
  • Automatic Test Equipment
  • Battery-Powered Equipment
  • Data Acquisition Systems
  • Medical Instrumentation
  • Process Control and Industrial Automation
  • Telecommunications
  • Test and Measurement

Application Diagram
Application Diagram
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  • Maxim Integrated