HBCC-0500

H Low Current Bar Code Digitizer IC Technical Data HBCC-0500 Features Compatible with HP Bar Code Sensors – HBCC-1570 - 0.013 in. 0.33 mm - HBCC-1580 - 0.007 in. 0.185 mm - HBCC-1590 - 0.005 in. 0.13 mm Ambient Light Rejection > 100 K Lux Accurate Digitizing of a Wide Range of Bar Code Labels Description The Hewlett-Packard Low Current Bar Code Digitizer IC allows designers to incorporate the high ambient light rejection and low power consumption features of the HBCS-AXXX/TXXX wands into their own bar code circuitry. The HBCC-0500 is packaged in a 24 pin SOIC plastic package. output of different sensor “bins” is equalized by varying the amplitude of the LED drive current. The sensor output has two components; DC due to ambient light, and AC from the bar code label. Photocurrent from the sensor is amplified and high pass filtered to remove the ambient light signal. The AC component is amplified and sent to an AM detector to recover the bar code information. The rec...