Overview

Features and Benefits

  • Four ADC Channels with Serial LVDS/SLVS Outputs
  • Excellent Dynamic Performance
    • 69.9dB SNR at fIN = 5.3MHz
    • 93.7dBc SFDR at fIN = 5.3MHz
    • -90dB Channel Isolation
  • Ultra-Low Power
    • 135mW per Channel (Normal Operation)
    • 1.5mW Total (Shutdown Mode)
  • Accepts 20% to 80% Clock Duty Cycle
  • Self-Aligning Data-Clock to Data-Output Interface
  • Fully Differential Analog Inputs
  • Wide ±1.4VP-P Differential Input Voltage Range
  • Internal/External Reference Option
  • Test Mode for Digital Signal Integrity
  • LVDS Outputs Support Up to 30in FR-4 Backplane Connections
  • Small, 68-Pin QFN with Exposed Paddle
  • Evaluation Kit Available (MAX1127EVKIT)

Product Details

The MAX1126 quad, 12-bit analog-to-digital converter (ADC) features fully differential inputs, a pipelined architecture, and digital error correction. This ADC is optimized for low-power, high-dynamic performance for medical imaging, communications, and instrumentation applications. The MAX1126 operates from a 1.7V to 1.9V single supply and consumes only 563mW while delivering a 69.9dB signal-to-noise ratio (SNR) at a 5.3MHz input frequency. In addition to low operating power, the MAX1126 features an 813µA power-down mode for idle periods.

An internal 1.24V precision bandgap reference sets the ADC's full-scale range. A flexible reference structure allows the use of an external reference for applications requiring increased accuracy or a different input voltage range.

A single-ended clock controls the conversion process. An internal duty-cycle equalizer allows for wide variations in input-clock duty cycle. An on-chip phase-locked loop (PLL) generates the high-speed serial low-voltage differential signaling (LVDS) clock.

The MAX1126 provides serial LVDS outputs for data, clock, and frame alignment signals. The output data is presented in two's complement or binary format.

Refer to the MAX1127 data sheet for a pin-compatible 65Msps version of the MAX1126.

The MAX1126 is available in a small, 10mm x 10mm x 0.9mm, 68-pin QFN package with exposed paddle and is specified for the extended industrial (-40°C to +85°C) temperature range.

Applications

  • Instrumentation
  • Multichannel Communication Systems
  • Positron Emission Tomography (PET) Imaging
  • Ultrasound and Medical Imaging

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Evaluation Kits (1)

Tools & Simulations

IBIS Models

Product Recommendations

MAX1126 Companion Parts

Recommended Related Parts

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

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