LM2917 Frequency to voltage converter
RWF 5,000
LM2917 devices are monolithic frequency-to-voltage converters with a high gain op amp designed to operate a relay, lamp, or other load when the input frequency reaches or exceeds a selected rate.
Product Description
LM2917 devices are monolithic frequency-to-voltage converters with a high gain op amp designed to operate a relay, lamp, or other load when the input frequency reaches or exceeds a selected rate.
Specifications
Specifications
- Ground Referenced Tachometer Input Interfaces Directly With Variable Reluctance Magnetic Pickups
- Op Amp 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
- �0.3% Linearity (Typical)
- Ground-Referenced Tachometer is Fully Protected From Damage Due to Swings Above VCC and Below Ground
- Output Swings to Ground For Zero Frequency Input
- Easy to Use; VOUT = fIN � VCC � R1 � C1
- Zener Regulator on Chip allows Accurate and Stable Frequency to Voltage or Current Conversion (LM2917)
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