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LF353: LF353 use problem

Part Number: LF353

Hello:

I am using LF353. When I ordered a new batch of LF353, the output deviation of out(7pin) was very large during the test.

Want to know, what reason is caused.

The verification method is as follows:

1.Cross validation: verification results, problems follow IC

2. The resistance and capacitance of LF353 differential output series were removed, but the problem remained unchanged.

3.Failure IC is tested under the same conditions as normal IC.

IF353 Differential input voltage(mV)(5pin& 6pin) 7pin(mV) 1pin(mV)
Test normal IF353
100.1 93.1 93.3
Test failure IF353
100.3 110.2

110.9

.

Best Regards

Leon

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