STM32H7 based isolated simultaneous data acquisition system

This repository includes PCB-project files for a STM32 based isolated DAQ-System

Board Features

• MCU: STM32H747IGT6, ARM Cortex M7 with 480MHz and ARM Cortex M4 with 240 MHz
• External memory: 1x 64 Mbit SDRAM, 1x 128 Mbit QSPI Flash
• USB: USB 2.0 Transceiver Speeds up to 480 Mbit/s (HS), USB-C compatible Interface
• USB: Fullspeed 12 MBit/s
• Debug: Serial-Wire-Debug
• ADC: ADC128S052 12-Bit, 500-kSPS, 8-Channel SAR ADC with single-ended inputs and serial interface with a cutoff frequency of 212 kHz (first order RC-Lowpass)
• Input HARTING 09221326921 32 Position 2.54 mm pitch Horizontal Connector compatible with HARTING 09272326801

Applications:

• Microphone Arrays
• Ultrasound
• Audio Analyzer
• Multi redundant sensor arrays for multi sensor data fusion applications
• Music pickups (Guitars, ...)
• Other Embedded data aqcuisition Systems

Absolute Maximum Ratings

• Supply Voltage: +5V0 to +5V5 (recommended: +5V0) USB feeded
• ADC input Voltage: up to +3.3 V

Manufacturing Information

• Length = 100mm, Width = 75mm, Thickness = 1.6 mm
• Layers = 6
• Min. Via Hole diameter = 0.3 mm
• Via-Type: Epoxy Filled and Capped
• Impedance Control: JLC06161H-3313
• Surface Finish: ENIG
• Material Type: FR-4 TG155

Progress

• Schematic design: complete
• Layouting: complete
• Manufacturing & assembly: In progress
• Bring-Up: In progress

I make no guarantees as to device funtionality. Please review the components, schematics carefully before production.