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TEA1083

器件名称: TEA1083
功能描述: Call progress monitor for line powered telephone sets
文件大小: 139.85KB    共20页
生产厂商: PHILIPS
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简  介:INTEGRATED CIRCUITS DATA SHEET TEA1083; TEA1083A Call progress monitor for line powered telephone sets Product specication File under Integrated circuits, IC03A March 1994 Philips Semiconductors Product specication 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 in line powered telephone sets. It is intended to offer a monitoring facility of the line signal via QUICK REFERENCE DATA SYMBOL ISUP VBB ISUP Gv ISUP Tamb PARAMETER input current range stabilized supply current current consumption voltage gain of loudspeaker amplier minimum input current operating ambient temperature range PO = 10 mW (typ) into 50 PD = HIGH; TEA1083A only CONDITIONS TEA1083; TEA1083A a loudspeaker during on-hook dialling. The TEA1083/83A is intended for use in conjunction with a transmission circuit of the TEA1060 family. The device uses a part of the available line current via the internal supply circuit. The loudspeaker amplifier, which consists of a preamplifier and a power amplifier, amplifies the received line signals from the transmission circuit when enabled via the LS……
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