Accommodating one LED per output, the AS1123 16-channel constant-current LED driver integrates a diagnostic read-back function to eliminate display flicker during fault testing.
Accommodating one LED per output, the AS1123 16-channel constant-current LED driver integrates a diagnostic read-back function to eliminate display flicker during fault testing. Suiting high-resolution industrial applications, features include a maximum LED voltage of 5.5 V, an adjustable output current up to 40 mA per channel via external resistor, and an output-current accuracy of ±3% between LEDs and ICs. In a TQFN-24, price is $0.75 each/1,000. AUSTRIAMICROSYSTEMS USA INC., Raleigh, NC. (919) 676-5292.