Software Configurable Input and Output Analog Front End Family
Design Files
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Sofware Configurable Universal Analog Input AFE with Integrated DAC
The NAFEB43388 is a software‑configurable, industrial‑grade multichannel analog front end (AFE) for high‑precision measurements. It integrates the following components:
- A 24‑bit analog-to-digital (ADC)
- 13‑bit digital-to-analog Converter (DAC)
- Programmable gain amplifier (PGA)
- Low‑drift voltage reference
- A high‑precision sense resistor with smart e‑fuse protection
It provides diagnostic circuits for anomaly detection and targets programmable logic controllers (PLCs_, DCS, I/O modules and data‑acquisition systems).
Product Details
Features
Software Configurable
- Multifunction and multirange software‑configurable analog inputs
- Voltage, current, resistance, Resistance Temperature Detector (RTD) and thermocouple (TC) measurements
- Input ranges:
- Voltage: ±12.5 V
- Current: ±25 mA
- Resistance: 1 mΩ to 1 MΩ
Robustness
- 4-20mA sense resistor protected by a smart and robust switch
- ±36 V I/O protection
- Short‑circuit and overvoltage protection
Accuracy
- 0.005% at room temperature
- 0.1% across extended temperature range
Size
- Eight‑channel solution in a compact 6 × 6 mm package
Platformization
- Multiple variants that address different requirements from low- to high- end application applications
Related products
Highly Configurable 8/4 Channel 24/16 bits ±25 V Universal Input Analog Front-End with Excitation Sources
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