M51971FP Overview
The M51971 is a semiconductor integrated circuit designed to control the motor rotating speed. The built-in FG amplifier with high gain enables to use a wide range of rotating speed detector (FG detector). Use of less external parts enables DC motors to be controlled with high precision.
M51971FP Key Features
- 17.5V q Variation coefficient of supply voltage
- ±0.005%/V (standard) q Load variation coefficient
- ±0.01% (standard, full load range) q Temperature coefficient of rotating speed
- 7ppm/˚C (standard) q Built-in high performance FG amplifier
- 17.5V Rated supply voltage
- 9V Input voltage range at pin 1
- Vcc Note 1 Input voltage range at pin 4
- Vcc Highest setup tacho-generator frequency
- 2.5kHz Minimum trigger pulse width (input pulse at pin 4 )
- 40µs Note 2 Note 1: The linear operation range is -0.4 to +0.4V. Note 2: This condition applies to both periods: from pu