OBSOLETE
LM2907EP, LM2917EP
www.
ti.
com
SNOSAB0A – JUNE 2004 – REVISED SEPTEMBER 2011
LM2907EP /LM2917EP Enhanced Plastic Frequency to Voltage Converter
Check for Samples: LM2907EP, LM2917EP
FEATURES
1
•2 Ground referenced tachometer input interfaces directly with variable reluctance magnetic pickups
• Op amp/comparator has floating
transistor output
• 50 mA sink or source to operate relays, solenoids, meters, or LEDs
• Frequency doubling for low ripple • Tachometer has built-in hysteresis with either
differential input or ground referenced input • Built-in zener on LM2917EP • ±0.
3% linearity typical • Ground referenced tachometer is fully
protected from damage due to swings above VCC a...