LMC6462, LMC6464

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SNOS725D – MAY 1999 – REVISED MARCH 2013

APPLICATION INFORMATION

Input Common-Mode Voltage Range

The LMC6462/4 has a rail-to-rail input common-mode voltage range. Figure 33 shows an input voltage

exceeding both supplies with no resulting phase inversion on the output.

Figure 33. An Input Voltage Signal Exceeds the LMC6462/4 Power Supply Voltage with No Output Phase

Inversion

Voltages greatly exceeding this absolute maximum rating, as in Figure 34, can cause excessive current to flow in

or out of the input pins, possibly affecting reliability. The input current can be externally limited to ±5 mA, with an

input resistor, as shown in Figure 35.

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