MC145740 - Dual Tone Multiple Frequency Line Interface

Motorola

Datasheet Details

TxA1 Non Inverting Analog Output (Pin 1) This pin is the line driver non inverting output.

Single Power Supply: 3.6 to 5.5 V DTMF Generator and Receiver for All 16 Standard Digits 0 dBm Line Driver Into 600 Ω Load AGC Amplifier Programmable Transmit Attenuator Serial Control Interface Power Down Mode, Less Than 1 µA 20 1 F.

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