Dual SPST-NO switch with 25 ohm on-resistance
The MAX4731EUA+ from Maxim Integrated is a dual single-pole single-throw normally-open analog switch in an 8-uMAX/uSOP surface-mount package. Each of the two independent SPST-NO circuits handles signals up to 300 MHz bandwidth with a maximum on-resistance of 25 ohms. Channel-to-channel matching holds within 200 milliohms, and crosstalk between channels is rated at -108 dB at 1 MHz — clean enough for audio-path routing or precision analog multiplexing where bleed between channels would show up as noise or offset.
Lifecycle and sourcing
No end-of-life notice or last-time-buy window is in effect.
