The F1912 from IDT is a glitch-free 6-bit digital step attenuator that operates from 1 MHz to 4000 MHz. It has an attenuation range of 31.5 dB, an insertion loss less than 1.4 dB and has an IIP3 of more than 59.5 dBm. The device has pinpoint accuracy and settles to final attenuation value within 400 nsec. The Glitch-FreeTM technology which results in low overshoot ringing during MSB transitions. The F1912 requires a supply from 3 V to 5.25 V with 1.8V or 3.3V for logic switching and is available in compact 20 pin QFN package that measures 4 x 4 mm.