eez-open / dib-mio-afe1 Goto Github PK

The EEZ DIB 4-channel Hi-voltage/Hi-current AFE for MIO168 module.

• ADS131E04 24-bit 4-channel simultaneous sampling ADC with SPI
• 5½ digit effective resolution
• 2 x Hi-voltage channels featuring software selectable 3 measurement ranges (±2.4 V, ±12 V, ±240 V), and one current range (±240 mA)
• 2 x Hi-current channels featuring software selectable 3 measurement ranes (±24 mA, ±1 A, ±10 A) and 2 voltage ranges (±2.4 V, ±12 V)
• Latching relays for lower continous power consumption
• On-board ±2.5 V low noise LDOs
• Optional Voltage reference (LTC6655-2.5)
• Active clamps on ADC inputs
• 20 x 5 mm fueses on hi-current channels (AIN3 and AIN4)
• Dimensions: 143 x 68.5 mm, 4-layer PCB