NAFE13144B40BSE

Analog Front End (AFE) Overview

The NAFE13144B40BSE is a highly configurable industrial-grade analog front-end (AFE) featuring four high-voltage inputs and a 16-bit sigma-delta ADC. It integrates low-leakage multiplexers, programmable gain amplifiers with gains from x0.2 to x16, and precise voltage/current excitation sources. The device supports single-ended or differential inputs up to ±25 V, with overvoltage protection up to ±36 V. Key specifications include data rates from 7.5 SPS to 288 kSPS, ENOB of 17 bits at 72 kSPS, and system accuracy of 0.005% FS after user calibration. It operates within a temperature range of -40 °C to +125 °C in a 64-pin HVQFN package.

Analog Front End (AFE) Feature Summary

• Four configurable high-voltage inputs supporting voltage, current, RTD, and thermocouple measurements.
• 16-bit ADC resolution with data rates ranging from 7.5 SPS to 288 kSPS.
• Integrated precise voltage and current excitation sources for sensor driving.
• Robust protection including ±36 V overvoltage tolerance and 7.5 kV HBM ESD immunity.

Analog Front End (AFE) Applications

• Programmable Logic Controller (PLC) I/O modules
• Industrial data acquisition systems
• Process control instrumentation

Analog Front End (AFE) Procurement Notes

Verify the specific ordering suffix B40BSE against the manufacturer's official documentation to confirm packaging details and availability status. Ensure that the selected variant matches the required channel count and ADC resolution for the target application design.

Analog Front End (AFE) Selection Notes

Select this part when four channels are sufficient for the application, as it offers a lower pin count compared to eight-channel variants. Confirm that the 16-bit resolution meets the system accuracy requirements, noting that factory calibration is not included in this specific model number.

Analog Front End (AFE) Part Context

This component belongs to the NAFEx1388 family of universal input analog front-ends. It shares architectural similarities with the NAFE13388 but differs in having four inputs instead of eight and utilizing a 16-bit ADC rather than 24-bit. It is designed for scalable industrial measurement solutions requiring low power consumption.

Analog Front End (AFE) Replacement Considerations

Direct replacements within the same family include NAFE13148B40BS (8-channel, 16-bit) or NAFE13184B40BS (4-channel, 24-bit). Verify pin compatibility and software register mapping before substitution.