LM2917-N
FEATURES
- 2 Ground Referenced Tachometer Input Interfaces Directly With Variable Reluctance Magnetic Pickups
- Op Amp/parator Has Floating Transistor Output
- 50 m A 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 LM2917
- ±0.3% Linearity Typical
- Ground Referenced Tachometer is Fully Protected From Damage Due to Swings Above VCC and Below Ground
APPLICATIONS
- Over/Under Speed Sensing
- Frequency to Voltage Conversion
(Tachometer)
- Speedometers
- Breaker Point Dwell Meters
- Hand-Held Tachometer
- Speed Governors
- Cruise Control
- Automotive Door Lock Control
- Clutch Control
- Horn Control
- Touch or Sound Switches
DESCRIPTION
The LM2907, LM2917 series are monolithic frequency to voltage converters with a high gain op amp/parator designed to operate a relay, lamp, or other load when the input frequency reaches or...