Figure 21. Bounded Amplifier Reduces Saturation-induced Delays and Can Prevent Succeeding Stage Damage. Nominal Clamping Voltage is ±VO (LM4051-N's Reverse Breakdown Voltage) +2 Diode VF .
Figure 22. Voltage Level Detector
Figure 23. Voltage Level Detector
Figure 24. Fast Positive Clamp 2.4V + VD1
Figure 25. Bidirectional Clamp ± 2.4V
Figure 26. Bidirectional Adjustable Clamp ± 18V to ± 2.4V
Figure 27. Bidirectional Adjustable Clamp ± 2.4V to ± 6V
Figure 28. Simple Floating Current Detector
*D1 can be any LED, VF = 1.5V to 2.2V at 3 mA. D1 may act as an indicator. D1 will be on if ITHRESHOLD falls below the threshold current, except with I = O.