I'm looking for intercom chips.

[Pavlik]

Looking for chips similar to SSM2024,
SSM2164 (for voice mixer).
This is a 4/6 channel amplifier with analog gain control.

 

[sidun.av]

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[Pavlik]

Looking for chips similar to SSM2024,
SSM2164 (for voice mixer).
This is a 4/6 channel amplifier with analog gain control.

Analog control only.

--- Updated Sep 9, 2024 ---

Analog control only.

 

[BradtheRad]

Your IC in the center looks similar to 4066 IC (bilateral switch, 4-on-1-chip).

Each internal switch is activated by individual On-Off signal.
Each switch permits analog signal either direction.

 

[Pavlik]

Thanks for the answer.
But I need to control the gain.

 

[FvM]

SSM audio VCA are still available https://www.soundsemiconductor.com/

 

[Pavlik]

Thank you.
I didn't immediately notice that chip. (SSI2164)
Thanks again.