LM1819 DATASHEET The LM1819 is a function generator driver for air-core. (moving-magnet) meter movements A Norton amplifier and an NPN transistor are included on chip for tachometer drivers such as the CS289 or LM1819 . The output utilizes differential drivers which eliminates the need for a zener reference and offers more torque. The CS8191 has a higher torque output and better output signal symmetry than other competitive parts (CS289, and LM1819 ). It is protected against short circuit Many enhancements have been added over industry standard tachometer drivers such as the CS289 or LM1819 . The output utilizes differential drivers which tachometer drivers such as the CS289 or LM1819 . The output utilizes differential drivers which eliminates the need for a Zener reference and offers more torque.
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