L290B Datasheet – Tachometer Converter

Part number : L290B

Functions : Tachometer converter

Package information : DIP 16 Type

Manufacturer : ST Microelectronics


L290B Tachometer converter


The L290B, 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.


L290B datasheet pinout


The L290/1/2 system can be directly controlled by a microprocessor. The L290 integrates the following functions:

– tacho voltage generator (F/V converter)
– reference voltage generator
– position pulse generator

L290B Datasheet PDF