Found 9 alternatives for LS6511N by LSI/CSI. Interface Sensor And Detector Interfaces — 16-DIP (0.300", 7.62mm).
INSTRUMENTATION AMPLIFIER
IC SMOKE DETECTOR CMOS 16DIP
ANALOG CIRCUIT
IC TRANSMITTER 4-20MA 16-DIP
PIR SENSOR INTERFACE
IC SENSOR INTERFACE 16DIP
IC V TO I CONVERTER/XMTR 16 DIP
PIR SENSOR INTERFACE
E-CAL ION SMOKE DETECTOR