Highly Configurable 8 Channel ±25 V Universal Input Analog Front-End with Excitation Sources

NAFEx3388

Roll over image to zoom in

Product Details

Block Diagram

NAFE13388 / NAFE73388 / NAFE13188 Analog Front-End

NAFE11388 Block Diagram

Features

Eight Configurable HV Inputs

  • Single-ended or differential, with ranges up to ±25 V
  • Independent configurations for voltage and current ranges
  • Overvoltage protected up to ±36 V for less than one hour

Programmable Gain

  • x0.2 to x16

Fast Data Rates

  • NAFE13388 / NAFE13188: 7.5 SPS to 288 kSPS
  • NAFE73388: 15 SPS to 576 kSPS
  • Simultaneous 50 Hz/60 Hz line rejection
  • ENOB:
    • NAFE13388 / NAFE13188: 17-bit at 72 kSPS / 24-bit at 30 SPS
    • NAFE73388: 17-bit at 144 kSPS / 24-bit at 50 SPS

High Accuracy

  • 0.005 % FS accuracy at room after user calibration
  • 0.1 % FS accuracy over -25 ⁰C to 105 ⁰C

System Calibration

  • NAFE13388/ NAFE73388: factory calibrated
  • NAFE13188: non factory calibrated

Key Features

  • ±3 ⁰C Internal temperature sensor
  • Precise excitation voltage and current sources
  • 0.2% Internal oscillator accuracy at room temperature
  • Diagnostic system for faults detection and prediction
  • CRC error detection
  • Ten GPIOs
  • 32 MHz SPI interface
  • Robust 8 kV HBM ESD and IEC61000-4-5 2 kV surge protection
  • Power supply: HV: ±7 V to ±24 V, LV: 3.3 V
  • Power consumption: 150 mW for low power version and 160 mW for the high speed
  • Operating temperature range TA: -40 ⁰C to +125 ⁰C
  • Package: 64 pin, 9 mm x 9 mm x 0.85 mm HVQFN

Product Longevity Program

  • These products are included in the NXP Product Longevity program ensuring a stable supply of products for 15 years for your embedded designs.

Part numbers include: NAFE13188B40BS, NAFE13388B40BS, NAFE73388B40BS.

Comparison Table

Low Power/ High Speed Factory Calibration ADC Resolution Channels Status
NAFE13388 Low Power Yes 24 bits 8 Available
NAFE73388 High Speed Yes 24 bits 8 Available
NAFE13188 Low Power No 24 bits 8 Available
NAFE13148 Low Power No 16 bits 8 Coming soon
NAFE13144 Low Power No 16 bits 4 Coming soon

Documentation

Quick reference to our documentation types.

1-5 of 6 documents

Show All

Design Resources

Select a section:

Hardware

1 hardware offering

Software

2 software files

Note: For better experience, software downloads are recommended on desktop.

Training

1 trainings

Support