MICROCHIP MICRCHP CENTRAL- INTENSITY SAMPLES TO MCP4822 MCP607 SEMI. IRED TAOS DETERMINE HEART-RATE TSL235R AND OXYGEN SATURATION. DUAL 8BIT DUAL MPQ6002 L/F VOLTAGE OP-AMP QUAD PACK RED SENSOR OUTPUT DAC DRIVERS XISTOR FINGER APPROACH The block diagram on the next page shows the basic architecture of the