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TDC1000: About recommended analog switch of TDC 1000.

user5260008
Prodigy 80 points
Part Number: TDC1000
Other Parts Discussed in Thread: TS3A44159, TS5A22362

Hi, Community member

TS3A44159 is used in the recommended circuit for improving the transmission circuit of TDC 1000 (snia 020.pdf).

Why is it recommended that the rated minus voltage is small?

For example, TS5A22362,

negative signal capability: Maximum swing is -2.75 V to 2.75 V (Vcc = 2.75 V).

I feel that this switch is better.

Waiting for your answer.

  • 0
    TI__Genius 11015 points
    Hi,

    TS3A44159 bi-directional 4-channel single-pole double-throw (SPDT) analog switch and that is used in our EVM.

    TS5A22362 is a 2-Channel, 2:1 Analog Switch with Negative Signaling Capability, we need 4 channel SPDT in our circuitry and we have used it.

    However,this system can work with TS5A22362.