Input current limit for ADC of tms320f28027

Ashutosh Pailwan1

Expert 2480 points

Other Parts Discussed in Thread: TMS320F28027

I am using tms320f28027 for voltage and current measurement.

However, as we know voltage limit is 0 to 3.3 volt

But what are limits for the input current

0 Gautam Iyer over 11 years ago

Guru 192875 points

Hi Ashutosh,

For Analog inputs the sinking current is 4mA.

Regards,

Gautam

0 Ashutosh Pailwan1 over 11 years ago in reply to Gautam Iyer

Expert 2480 points

Dear

1.What does low level output sink current is indicated

2.Why low level

3. It should be only sink current what does output sink current means.

4. Does above said specification indicate that current flowing into the ADC pin should be limited to 4ma only

0 Gautam Iyer over 11 years ago in reply to Ashutosh Pailwan1

Guru 192875 points

1.What does low level output sink current is indicated

2.Why low level

3. It should be only sink current what does output sink current means.

I'm not a professor or datasheet writer for answering the above questions. But yes....

4. Does above said specification indicate that current flowing into the ADC pin should be limited to 4ma only

Yes... that's true.

Regards,
Gautam

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