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NAFE33352

Software Configurable Input and Output - Analog Front End Family

The NAFEx3352 is a Software Configurable Analog Input and Output Analog Front End Family (AIO-AFE). It features one Analog input/output channel and two universal input channels. The AIO-AFE family integrates a precision 14/16/18-bit digital-to-analog converter (DAC), a 16/24-bit analog-to-digital converter (ADC), a low-drift voltage reference, low-offset drift buffers and high-voltage, high-precision amplifiers with 65 V input-protection circuit for EMC and miswiring scenarios.

Intro cont (MM)

The device has built-in diagnostic and protection circuits for both the output and input channels, enabling anomaly detection, predictive maintenance, and functional safety. The AIO-AFE is ideal for programmable logic controllers (PLC), Process Control, I/O modules, and data loggers applications.

The NAFE33352 is the low power version and the NAFE93352 is the high speed version.

Applications:

Distributed Control Systems (DCS)
Industrial Automation and Process Control
Programmable Logic Controller (PLC) and Remote I/O

Features table (LC)

Features	Explanation
General Features	±7 V to ±28 V supply voltage range -40 °C to 125 °C temperature range 6 mm x 6 mm small TQFN-40 package
Channels Configuration	One software configurable Analog Input and Output Two universal inputs Ranges: ±12.5 V, ±25 mA, 1 mOhm-1 MOhm I/O Factory calibration or user calibration options
Resolution	DAC: 14 / 16 / 18-bit options ADC: 16 / 24-bit options
Datarate	Low power NAFE33352: DAC: 0 to 100 ksps ADC: 7.5 sps to 288 ksps High Speed NAFE93352: DAC: 0 to 200 ksps ADC: 15 to 576 ksps
Protections	±36 V protected I/O (external transient voltage suppressor required for output) Short circuit protection on both input and output
Accuracy	±0.01 % accuracy at room ±0.08 % accuracy overtemperature (after room calibration)

Block diagram

NXP NAFE33352 block diagram

NAFE Overview (GBL)

Overview

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