Overview

Features and Benefits

  • High Resolution for Industrial Applications that Require a Wide Dynamic Range
    • 98dB SNR at 1000sps
  • Longer Battery Life for Portable Applications
    • 2.2mA Operating Mode Current
    • 1μA Sleep Current
  • Single or Split Analog Supplies Provide Input Voltage Range Flexibility
    • 2.7V to 3.6V (Single Supply) or ±1.8V (Split Supply)
  • Enables System Integration
    • Low Noise, 6.2nV/√Hz PGA with Gains of 1, 2, 4, 8, 16, 32, 64, 128
    • 6-Channel, Fully Differential Input
  • Enables On-Demand Device and System Gain and Offset Calibration
    • User-Programmable Offset and Gain Registers
  • Robust Performance in a Small Package
    • -40°C to +125°C Operating Temperature Range
    • TQFN Package, 5mm x 5mm

Product Details

The MAX11253 is a 6-channel, 16-bit delta-sigma ADC that achieves exceptional performance while consuming very low power. Sample rates up to 64ksps allow precision DC measurements. The MAX11253 communicates via a SPI serial interface and is available in a small (5mm x 5mm) TQFN package.

The MAX11253 offers a 6.2nV/√Hz noise programmable gain amplifier (PGA) with gain settings from 1x to 128x. The integrated PGA provides isolation of the signal inputs from the switched capacitor sampling network. The PGA also enables the MAX11253 to interface directly with high-impedance sources without compromising available dynamic range.

The MAX11253 operates from a single 2.7V to 3.6V analog supply, or split ±1.8V analog supplies, allowing the analog input to be sampled below ground. The digital supply range is 1.7V to 2.0V or 2.0V to 3.6V, allowing communication with 1.8V, 2.5V, 3V, or 3.3V logic.

Applications

  • Analog I/O for Programmable Logic Controllers
  • Battery-Powered Instrumentation
  • Pressure Sensors
  • Weigh Scales

Product Lifecycle icon-recommended Recommended for New Designs

This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

Evaluation Kits (2)

Tools & Simulations

IBIS Models

Product Recommendations

MAX11253 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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