From Diodes comes a piezoelectric sounder driver with charge pumps and power stage. Called PAM8904, it drives sounders at up to 18Vp-p from a 3V power supply. “Bringing higher volume with a 20Hz to ...

The standard (IS-310) and full-featured (IS-320) units both share the same look, making them the ideal choice for retrofits as well as new installations. Advanced features on IS-320 include piezo ...