MPC509A

· ANALOG OVERVOLTAGE PROTECTION:  70Vp-p
· NO CHANNEL INTERACTION DURING  OVERVOLTAGE
· BREAK-BEFORE-MAKE SWITCHING
· ANALOG SIGNAL RANGE: ±15V
·  STANDBY POWER: 7.5mW typ
· TRUE SECOND SOURCE

The MPC508A is an 8-channel single-ended analog multiplexer and the MPC509A is a 4-channel differential multiplexer.
The MPC508A and MPC509A multiplexers have input overvoltage protection. Analog input voltages may exceed either power supply voltage without damaging the device or disturbing the signal path of other channels.

The protection circuitry of MPC509A assures that signal fidelity is maintained even under fault conditions that would destroy other multiplexers. Analog inputs of MPC509A can withstand 70Vp-p signal levels and standard ESD tests. Signal sources are protected from short circuits should multiplexer power loss occur; each input presents a 1kW resistance under this condition. Digital inputs of MPC509A can also sustain continuous faults up to 4V greater than either supply voltage.

These features make the MPC508A and MPC509A ideal for use in systems where the analog signals originate from external equipment or separately powered sources.