PCA9922 Key Features
- 25 MHz serial interface
- 3.3 V to 5.5 V operation
- 8 LED low side constant current outputs
- Global control for the 8 LED outputs variable between 15 mA to 60 mA
- 15 mA to 60 mA maximum current for all 8 output channels set by an external resistor
- Constant current matching at 25 °C, VDD = 5.0 V
- Bit-to-bit: ±6 %
- Chip-to-chip: ±10 %
- Gradual turn-on/turn-off output to limit EMI
- Error detection mode for line open, output short to ground, LED open and LED short