General Description

The MAX11254 is a 6-channel, 24-bit delta-sigma ADC that achieves exceptional performance while consuming very low power. Sample rates up to 64ksps allow precision DC measurements. The MAX11254 communicates via a SPI serial interface and is available in a small (5mm x 5mm) TQFN package.

Benefts and Features

● High Resolution for Industrial Applications that Require a Wide Dynamic Range

    • 133dB SNR at 50sps

    • 124dB 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

Applications

● Analog I/O for Programmable Logic Controllers

● Weigh Scales

● Pressure Sensors

● Battery-Powered Instrumentation