
Maxim Integrated
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