What this 24-bit sigma-delta ADC brings to a precision measurement chain
The Maxim Integrated MAX11210EEE+ is a 24-bit sigma-delta ADC with a built-in programmable gain amplifier (PGA) and a single differential input, communicating over SPI. It samples at 480 SPS—deliberately slow, optimized for noise rejection on dc-like signals from bridge sensors, thermocouples, or load cells. The PGA eliminates the need for an external instrumentation amplifier on small differential signals, saving board area and BOM cost in weigh scales, pressure transmitters, and portable instrumentation. The part operates from separate analog (2.7 V to 3.6 V) and digital (1.7 V to 3.6 V) supplies. Temperature range is -40°C to +85°C.
480 SPS and the PGA — what they mean for your measurement
The 480 SPS maximum sample rate suits low-noise, high-resolution conversion. The sigma-delta modulator pushes quantization noise out of the band of interest. The external reference (REF pin) sets the input span. A low-drift reference is a common pairing.
Package and footprint fit
The MAX11210EEE+ comes in a 16-pin QSOP (0.154" body width, 3.90 mm wide). The narrow body saves PCB area.
Active lifecycle — no LTB pressure for new BOMs
The MAX11210EEE+ carries an Active lifecycle status from Maxim Integrated (now part of Analog Devices). It is ROHS3 compliant. For a new design or a production BOM, there is no last-time-buy clock running.