NAFE73388
NAFE73388 is a high-speed version of the universal AFE with 576 kSPS data rate for dynamic signal acquisition.
Product Overview
Description
The NAFE73388 is the high-speed variant of the N-AFE family, offering up to 576 kSPS data rate for applications requiring fast signal acquisition.
It shares the same universal input capabilities as NAFE13388 but with doubled conversion speed, making it ideal for vibration monitoring and dynamic measurements.
The device maintains the same high accuracy and comprehensive feature set while providing faster response times.
Product Series
NAFE
Primary Application
Vibration monitoring
Key Features
- High-speed data acquisition up to 576 kSPS
- Same universal input capability as NAFE13388
- Factory calibrated for high accuracy
- Integrated excitation sources
- Comprehensive diagnostic features
- Pin-compatible with NAFE13388
Specifications
| Input Channels | 8 configurable HV inputs |
|---|---|
| Input Range | ±25V (±36V overvoltage protected) |
| ADC Resolution | 24-bit sigma-delta |
| Data Rate | 15 SPS to 576 kSPS |
| PGA Gain | 0.2x to 16x |
| ENOB | 17 bits at 144 kSPS |
| Power Consumption | 160mW |
| Package | 64-pin HVQFN 9x9mm |
| Operating Temperature | -40°C to +125°C |
Applications
Vibration monitoring
Electronic system design
Dynamic signal acquisition
Sensor signal conditioning
High-speed data logging
Electronic system design
Machine condition monitoring
Electronic system design
Test and measurement
Data acquisition and conversion
FAE Expert Insights
"NAFE73388 is the ideal choice when you need higher sampling rates. I've used this for vibration monitoring applications where the 576 kSPS rate captures high-frequency components essential for bearing fault detection. The pin-compatibility with NAFE13388 allows a single PCB design to support both standard and high-speed variants. The accuracy remains excellent even at high speeds, with 17 ENOB at 144 kSPS."
High-speed AFE for dynamic signal acquisition
— David Chen, BeiLuo
Frequently Asked Questions
When should I choose NAFE73388 over NAFE13388?
Choose NAFE73388 when your application requires sampling rates above 288 kSPS. Typical applications include vibration monitoring (requiring 10-20 kHz bandwidth), transient capture, and high-speed data logging. For standard industrial process control with lower bandwidth requirements, NAFE13388 is more power-efficient.
Select NAFE73388 for bandwidth >10 kHz. Use NAFE13388 for standard process control applications.
Can NAFE73388 and NAFE13388 be used on the same PCB?
Yes, both devices are pin-compatible and can share the same PCB layout. This allows a single hardware design to support both standard and high-speed variants. The BOM can be populated with the appropriate device based on the application requirements, reducing inventory and manufacturing complexity.
Design PCB to support both variants. Populate based on application speed requirements.
What is the effective resolution at maximum speed?
At the maximum 576 kSPS rate, NAFE73388 provides approximately 14-15 effective bits. For higher resolution, reduce the output data rate. At 144 kSPS, the ENOB is 17 bits. At 50 SPS with filtering, up to 24 bits of resolution can be for very low-bandwidth signals.
Balance data rate and resolution based on application requirements. Use lower rates for higher precision.
What support is available for NAFE73388?
Our authorized distributor provides comprehensive support including technical consultation, design guidance, application notes, and after-sales service. Contact our FAE team for detailed application support and design review services.
Contact FAE for technical support and guidance.
What is the recommended PCB layout for NAFE73388?
Follow the application notes for recommended PCB layout guidelines. Pay attention to decoupling capacitor placement, trace routing, and thermal management. Reference designs are available from our distributor.
Follow application notes and reference designs for optimal layout.