RTOS/OPA857EVM: OPA857EVM

Ahsan Waqas

Prodigy 30 points

Part Number: OPA857EVM
Other Parts Discussed in Thread: TIDA-00725

Tool/software: TI-RTOS

Hi,

I am using TIDA-00725 Signal-Chain Circuit, can anybody please tell me what is value of R28 in BOM?

Thanks

Ahsan

over 5 years ago

0 kai klaas69 over 5 years ago

Guru 140200 points

Hi Ahsan,

R28 isn't populated.

Kai

0 Sean Cashin over 5 years ago in reply to kai klaas69

TI__Genius 17136 points

Hi Ashan,

This resistor spot is there in case you don't want a 3.3V rail and want to connect it to 5V instead. If so, you would set R28=0 ohms and would not populate TPS79901.

Best regards,

Sean

Amplifiers

Amplifiers forum

RTOS/OPA857EVM: OPA857EVM