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NAFE11388/71388 Universal Input Analog Front Ends
NXP industrial-grade multichannel universal input analog front ends are highly configurable for a wide range of applications
NXP NAFE11388 and NAFE71388 devices integrate dual low-leakage, high-voltage fast multiplexers, low-offset and low-drift PGA and buffers, precision and high data-rate 16-bit or 24-bit Delta-Sigma ADC, and a low-drift voltage reference.
The analog HV input pins are diode-protected internally for EMC and misuse wire scenarios. Inputs can be configured for voltage, current, resistance, RTD, thermocouples, and as single-ended or differential with ranges up to ±25 V.
The devices in the NAFE11388 and NAFE71388 families are equipped with diagnostic circuits for functional safety, monitoring, and detection. Two precise calibration voltage sources are made available for end-to-end system self-calibration and anomaly detection for predictive maintenance.
For an NXP universal analog input solution, engineers can combine the powerful NAFE13388 analog front end (AFE) UIM shield board with the cutting-edge NPU enabled MCXN947 microcontroller Freedom evaluation board for unparalleled flexibility in analog input module design and prototyping.
- System calibration
- End-to-end calibration with integrated precise voltage sources
- Accurate digitally calibrated products are available
- Full-readout ±3⁰C accurate temperature sensor
- 0.2% accuracy for the internal oscillator
- Diagnostic system for faults detection and prediction
- CRC error detection
- Ten GPIOs
- 30 MHz SPI interface
- 8 kV HBM ESD and IEC61000-4-5 2,000 V surge protection
- Power supply:
- HV: ±7 V to ±24 V
- LV: 3.3 V
- Operating temperature range TA: -40°C to +125°C
- Package: 64 pin, 9 mm x 9 mm x 0.85 mm VQFN
- 8 configurable HV inputs
- Single-ended or differential with ranges up to ±25 V
- Configurable for voltage, current, resistance, RTD, and thermocouples
- Overvoltage protected up to ±36 V
- Fast data-rate
- NAFE11388: 7.5 SPS to 288 kSPS
- NAFE71388: 15 SPS to 576 kSPS
- Simultaneous 50 Hz/60 Hz line rejection
- High accuracy
- 0.01% accuracy at room temperature
- 0.05% accuracy over temperature
- ENOB:
- NAFE11388: 17-bit at 72 kSPS / 24-bit at 30 SPS
- NAFE71388: 17-bit at 144 kSPS / 24-bit at 50 SPS
- Industrial
- PLC
- I/O modules
- Data loggers
- Sensors and data acquisition systems
- Instrumentation
Evaluation Board
| Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|
 | NAFE13388-UIM | 8-CH AFE ARDUINO BOARD | 9 - Immediate | $464.12 | View Details | |
 | NAFE11388-EVB | EVAL BOARD FOR NAFE11388 | 0 - Immediate | $2,012.15 | View Details | |
 |  | FRDM-MCXN947 | FREEDOM MCXN947 EVAL BRD | 209 - Immediate | $201.85 | View Details |
NAFE11388/71388 Universal Input Analog Front Ends
| Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|
|  | NAFE11388B40BSE | IC 8-IN LOW-POWER 25V AFE | 210 - Immediate | $163.65 | View Details |
| | NAFE11388B40BSK | IC 8-IN LOW-POWER 25V AFE | 1273 - Immediate | $163.65 | View Details |
| | NAFE11388B40BSMP | IC 8-IN LOW-POWER 25V AFE | 985 - Immediate | $163.65 | View Details |
| | NAFE71388B40BSE | IC 8-IN HIGH-SPEED 25V AFE | 244 - Immediate | $182.01 | View Details |
| | NAFE71388B40BSK | IC 8-IN HIGH-SPEED 25V AFE | 1300 - Immediate | $182.01 | View Details |
| | NAFE71388B40BSMP | IC 8-IN HIGH-SPEED 25V AFE | 1000 - Immediate | $182.01 | View Details |
Hong Kong, China