PCM1860-Q1: PCM1860-Q1 Support 4 channel or 2 channel?

Xiaoxiang Liu

Expert 4505 points

Part Number: PCM1860-Q1
Other Parts Discussed in Thread: PCM1860

Hi expert,

From the Datasheet , we want to kown PCM1860-Q1 Support 4 channel or 2 channel?

Below the picture, we think it support 4channel.

But Below the picture, it seems just support 2 channel.

Thanks

Xiaoxiang

6 months ago

+1 Daveon Douglas 6 months ago

TI__Genius 16580 points

Hi,

PCM1860/1-Q1 are both 2 channel hardware controlled ADCs. It accepts up to 4 differential inputs, below is a better representation:

Regards,

0 Xiaoxiang Liu 6 months ago in reply to Daveon Douglas

TI__Expert 4505 points

But our customer want to use 4 differential inputs as same time.

The PCM1860 seems can not use 4 differential inputs as same time.

Thanks

Xiaoxiang

0 Daveon Douglas 6 months ago in reply to Xiaoxiang Liu

TI__Genius 16580 points

Hi,

The customer can use 4 differential inputs at the same time, but since it is only 2 channels the customer will have to mux the analog inputs. In PCM1860, MD6/5/2 controls this function:

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PCM1860-Q1: PCM1860-Q1 Support 4 channel or 2 channel?