(PDF) L290B Datasheet - TACHOMETER CONVERTER

Número de pieza	L290B
Descripción	TACHOMETER CONVERTER
Fabricantes	STMicroelectronics
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No Preview Available ! L290 TACHOMETER CONVERTER DESCRIPTION The L290, a monolithic LSI circuit in 16-lead inline plastic package, is intended for user with the L291 and L292 which together from a complete 3-chip DC motor positioning system for applications such as carriage/daisy-wheel position control in typewriters. The L290/1/2 system can be directly controlled by a microprocessor. The L290 integrates the follow- ing functions: - tacho voltage generator (F/V converter) - reference voltage generator - position pulse generator ABSOLUTE MAXIMUM RATING Symbol Vs Vi (FTA, FTB, FTF) Ptot Tstg, Tj Parameter Supply Voltage Input Signals Total Power Dissipation (Tamb = 70 °C) Storage and Junction Temperature SYSTEM BLOCK DIAGRAM DIP-16 Plastic (0.25) ORDER CODE : L290B Value ± 15 ±7 1 - 40 to + 150 Unit V V W °C March 1993 1/8 1 page WAVEFORMS (Neglecting threshold volage level of the comparators). L290 SYSTEM DESCRIPTION : refer to the L292 data sheet. 5/8 5 Page

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PDF L290B Data sheet ( Hoja de datos )