INTEGRATED CIRCUITS DATA SHEET TEA1083; TEA1083A Call progress monitor for line powered telephone sets Product specification File under Integrated circuits, IC03A March 1994 Philips Semiconductors Product specification Call progress monitor for line powered telephone sets FEATURES • Internal supply – Optimum current split-up – Low constant current (adjustable) in transmission IC – Nearly all line current available for monitoring – Stabilized supply voltage • Loudspeaker amplifier with a fixed gain of 35 dB • Volume controlled by potentiometer • Power-down input (TEA1083A only) • Loudspeaker enable input.
GENERAL DESCRIPTION The TEA1083/83A is a bipolar IC which has been designed for use i...

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