Alternatives to MP4832A

Other Products
1

Hello,

I was searching for an integrated low-current, high-voltage analog MUX, and I came across the MP4832A. My understanding is that this IC is serially-programmable, daisy-chainable with other MP4832A devices, and contains 32 SPST switching channels with bleed/pull-down resistors at their outputs. I was hoping to short all 32 outputs together in order to mimic a 32:1 MUX, but the resulting load of 32 bleed resistors in parallel would excessively load my signals. I was wondering if MPS had any alternative integrated solutions that I could use as a 32:1 analog MUX with minimal/no output loading.

Thanks!
Ayan

2

Hello Ayan,

Apologies for the delayed response on our end.

This is a good question. The only alternative I can think of relative to the MP4832A would be the MP4833A | 32-Channel, High-Voltage Analog Switch with Output Bleed Resistors in a BGA Package | MPS. We have 64, 96, and 128 channel versions, but those alternatives would surely make things harder.

Some bigger notable differences between the 32A and the 33A would be the smaller package size (7mm x 7mm BGA) and the difference in the voltage supplies required for operation (10V for the 33A as opposed to 12V for the 32A, 3.3V is still needed for both).

In the 32:1 analog MUX configuration, what would be the required load according to your application?