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TBA673 Dataheets PDF



Part Number TBA673
Manufacturers Philips
Logo Philips
Description RING (DE)MODULATOR
Datasheet TBA673 DatasheetTBA673 Datasheet (PDF)

TBA673 II II RING (DE)MODULATOR FOR TELEPHONY AND INDUSTRIAL EQUIPMENT The TBA673 is a monolithic integrated circuit comprising a 4-transistor modulator and demodulator circuit. The four transistors must be as identical as possible; the lay-out has been designed to achieve this and the best possible tracking of the transistor parameters with tempera ture. QUICK REFERENCE DATA Collector cut -off current IE = 0; VCB = 5 V; Tamb = 25 °c Base-emitter voltage differences between transistors 1, 2,.

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TBA673 II II RING (DE)MODULATOR FOR TELEPHONY AND INDUSTRIAL EQUIPMENT The TBA673 is a monolithic integrated circuit comprising a 4-transistor modulator and demodulator circuit. The four transistors must be as identical as possible; the lay-out has been designed to achieve this and the best possible tracking of the transistor parameters with tempera ture. QUICK REFERENCE DATA Collector cut -off current IE = 0; VCB = 5 V; Tamb = 25 °c Base-emitter voltage differences between transistors 1, 2, 3, 4 VCB = 5 V; -IE = 150 IJA D. C. current gain differences between transistors 1, 2, 3, 4 VCB = 5 V; -IE = 150 IJA leBO !VBEl-VBE2\ /VBE3 -VBE41 IhpBl -hpB2 I IhpB3 -hpB4 ! < 100 <5 <5 < 0,008 < 0,008 nA mV mV PACKAGE OUTLINE TO-74 (reduced height) Dimensions in mm ---- April 1973 II II 1 TBA673 II . CIRCUIT DIAGRAM 3 4 II 10 7 RATINGS Limiting values in accordance with the Absolute Maximum System (IEC 134) Voltages (each transistor) Collector-emitter voltage (open base) E.


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