TCA980 Datasheet (Philips) - MICROPHONE AMPLIFIER

TCA980, MICROPHONE AMPLIFIER

II II TCA980 MICROPHONE AMPLIFIER The TCA980 is a monolithic integrated microphone amplifier.

It is.

primarily intended for use with low-impedance microphones in telephone systems.

The output of the amplifier is 22 mV/~ar when used with a microphone haVing an impedance of 200 Q and a sensitivity of 100 !-IV /~r.

A capsule assembly containing the TCA980, a low-impedance microphone and aQ, 22 ~ capacitor can directly replace a carbon microphone.

The d.

supply to the device may be of either po