Low-Power, 90Msps, 6-Bit ADC

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The MAX1011 is a 6-bit analog-to-digital converter (ADC) that combines high-speed, low-power operation with a user-selectable input range, an internal reference, and a clock oscillator. The ADC converts analog signals into binary-coded digital outputs at sampling rates up to 90Msps. The ability to directly interface with baseband signals makes the MAX1011 ideal for use in a wide range of communications and instrumentation applications.

The MAX1011's input amplifier features a true differential input, a -0.5dB analog bandwidth of 55MHz, and a user-programmable input full-scale range of 125mVp-p, 250mVp-p, or 500mVp-p. With an AC-coupled signal, input offset is typically less than 1/4LSB. Dynamic performance is 5.85 effective number of bits (ENOB) with a 20MHz analog input signal, or 5.7 ENOB with a 50MHz signal.

The MAX1011 operates with +5V analog and +3.3V digital supplies for easy interfacing to +3.3V-logic-compatible digital signal processors and microprocessors. It comes in a 24-pin QSOP package.
MAX1011: Functional Diagram MAX1011: Functional Diagram Enlarge+

Key Features

  • High Sampling Rate: 90Msps
  • Low Power Dissipation: 215mW
  • Excellent Dynamic Performance:
    • 5.85 ENOB with 20MHz Analog Input
    • 5.7 ENOB with 50MHz Analog Input
  • ±1/4LSB INL and DNL (typ)
  • ±1/4LSB Input Offset (typ)
  • Internal Bandgap Voltage Reference
  • Internal Oscillator with Overdrive Capability
  • 55MHz (-0.5dB) Bandwidth Input Amplifier with True Differential Input
  • User-Selectable Full-Scale Range (125mVp-p, 250mVp-p, or 500mVp-p)
  • Single-Ended or Differential Input Drive
  • Flexible, 3.3V, CMOS-Compatible Digital Outputs


  • IF Sampling Receivers
  • Instrumentation
  • VSAT Receivers
  • Wide Local Area Networks (WLANs)
Request Reliability Report for: MAX1011 
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Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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