high voltage analog demultiplexer

omerysmi

Joined Oct 10, 2014
55
I need to find some i.c that allow to switch 30V to 8 outputs by the control of MCU (in fact 1 to 8 analog demultiplexer).
Do you know some i.c that works with this voltage?

This is the scheme for example:

DickCappels

Joined Aug 21, 2008
10,164
How much current does the 30V out of the multiplexer have to supply? Is it always 30 volts of is it a signal that ranges up to 30 volts? (In other words is it good enough to switch 30V to one of the eight outputs based on the 3 bit input?)

omerysmi

Joined Oct 10, 2014
55
How much current does the 30V out of the multiplexer have to supply? Is it always 30 volts of is it a signal that ranges up to 30 volts? (In other words is it good enough to switch 30V to one of the eight outputs based on the 3 bit input?)
It is a low current (some milli amperes). the voltage in the input is constant 30V DC.

crutschow

Joined Mar 14, 2008
34,386
I found some high voltage multiplexers such as this, but they have a serial (SPI) control input.
Can you generate such a signal?

Bordodynov

Joined May 20, 2015
3,179
See