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Off_channel_leakage_tests

2014-11-05 21:57  
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Off_channel_leakage_tests
Off_channel_leakage_tests
Figure 2-E is a test circuit for measuring off-channel input voltage versus the resulting input-leakage current. Figure 2-F shows typical test results. As shown, the input leakage during fault conditions is less than 20nA. The voltmeter at the out-put shows the effect of off-channel leakage on the selected channel. The effect with 100-kΩ, input resistors (less than 0.1 mV) is hardly noticeable.VOUT is limited by internal clamps to about 3 V less than the supply rails, and ranges between ±12 V with ±15-V supplies. VOUT collapses to 0 V when the power is off.