Voltage-to-Frequency & Frequency-to-Voltage Converters

Converters are electrical devices that can you can use to change the frequency and voltage of a power source.

 
A VFC (voltage to frequency converter) is an oscillator with a frequency that is linearly proportional to a control voltage and consumes a very small amount of power.

 
An FVC (frequency to voltage converter) is an electronic device that converts current signal inputs to corresponding voltage outputs. They use analogue and digital channels.


What are voltage to frequency converters and frequency to voltage converters used for?

Voltage to frequency converters are typical components in analogue-to-digital conversion applications of engines, telecommunication devices and automotive components. 

 
Frequency to voltage converters are suitable for speed governors, tachometers, timers, encoders and switches.


Types of voltage to frequency converters and frequency to voltage converters

VFCs come with either single or integrated circuit adaptations. Single circuit converters consist of analogue voltage amplifiers, oscillator circuits, resistors, capacitors and driving power supplies.

 
FVCs have integral, low pass or programmable filtering capabilities. Integral filters allow some signal frequencies through, but bar others. Low pass filters have a set threshold. Signals below the threshold are allowed to pass, while signals above are blocked. 


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Description Price Converter Function Converter Type Full Scale Frequency Linearity Error Power Supply Type Typical Single Supply Voltage Typical Dual Supply Voltage Mounting Type Package Type Pin Count Dimensions Height Length Maximum Operating Temperature
RS Stock No. 121-8690
Mfr. Part No.LM2917M-8/NOPB
HK$13.146
Each (In a Tube of 95)
units
FVC - - ±1%FSR Single 12 V - Surface Mount SOIC 8 4.9 x 3.9 x 1.45mm 1.45mm 4.9mm +85 °C
RS Stock No. 533-5547
Mfr. Part No.LM2917M-8/NOPB
HK$18.06
Each
units
FVC - - ±1%FSR Single 12 V - Surface Mount SOIC 8 4.9 x 3.9 x 1.45mm 1.45mm 4.9mm +85 °C
RS Stock No. 121-9031
Mfr. Part No.VFC110AP
HK$194.283
Each (In a Tube of 25)
units
VFC - 4000kHz ±1%FSR Dual - ±15V Through Hole PDIP 14 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm +85 °C
RS Stock No. 660-4535
Mfr. Part No.VFC110AP
HK$236.53
Each
units
VFC - 4000kHz ±1%FSR Dual - ±15V Through Hole PDIP 14 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm +85 °C
RS Stock No. 761-5479
Mfr. Part No.LM231AN/NOPB
HK$85.37
Each
units
VFC - 100kHz 0.01% Single 5 V - Through Hole PDIP 8 10.16 x 6.35 x 3.302mm 3.302mm 10.16mm +85 °C
RS Stock No. 162-8208
Mfr. Part No.LM2907M/NOPB
HK$12.772
Each (In a Tube of 55)
units
FVC - - +1% Single 0 → 28 V - Surface Mount SOIC 14 8.75 x 4 x 1.5mm 1.5mm 8.75mm +85 °C
RS Stock No. 921-6822
Mfr. Part No.LM231AN/NOPB
HK$73.519
Each (In a Tube of 40)
units
VFC - 100kHz 0.01% Single 5 V - Through Hole PDIP 8 10.16 x 6.35 x 3.302mm 3.302mm 10.16mm +85 °C
RS Stock No. 162-4943
Mfr. Part No.VFC320BP
HK$217.735
Each (In a Tube of 25)
units
FVC, VFC - 1000kHz ±0.1%FSR Dual - ±15V Through Hole PDIP 14 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm +85 °C
RS Stock No. 100-0722
Mfr. Part No.LM2917N-8/NOPB
HK$12.494
Each (In a Tube of 40)
units
FVC Voltage - ±1%FSR Single 12 V - Through Hole MDIP 8 9.27 x 6.35 x 3.3mm 3.3mm 9.27mm +85 °C
RS Stock No. 660-6679
Mfr. Part No.VFC32KP
HK$98.60
Each
units
FVC, VFC - 100kHz ±0.05%FSR Dual - ±15V Through Hole PDIP 14 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm +70 °C
RS Stock No. 462-4802
Mfr. Part No.VFC320BP
HK$219.72
Each
units
FVC, VFC - 1000kHz ±0.1%FSR Dual - ±15V Through Hole PDIP 14 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm +85 °C
RS Stock No. 460-948
Mfr. Part No.LM2917N/NOPB
HK$15.398
Each (In a Pack of 5)
units
FVC - - ±1%FSR Single 12 V - Through Hole MDIP 14 19.05 x 6.35 x 3.3mm 3.3mm 19.05mm +85 °C
RS Stock No. 460-944
Mfr. Part No.LM2917N-8/NOPB
HK$13.564
Each (In a Pack of 5)
units
FVC Voltage - ±1%FSR Single 12 V - Through Hole MDIP 8 9.27 x 6.35 x 3.3mm 3.3mm 9.27mm +85 °C
RS Stock No. 533-5755
Mfr. Part No.LM331N/NOPB
HK$21.57
Each
units
VFC - 100kHz ±0.14%FSR Single 5 V, 9 V, 12 V, 15 V, 18 V, 24 V, 28 V - Through Hole MDIP 8 9.27 x 6.35 x 3.3mm 3.3mm 9.27mm +70 °C
RS Stock No. 813-6671
Mfr. Part No.LM2907M/NOPB
HK$17.378
Each (In a Pack of 5)
units
FVC - - +1% Single 0 → 28 V - Surface Mount SOIC 14 8.75 x 4 x 1.5mm 1.5mm 8.75mm +85 °C
RS Stock No. 100-0723
Mfr. Part No.LM2917N/NOPB
HK$12.491
Each (In a Tube of 25)
units
FVC - - ±1%FSR Single 12 V - Through Hole MDIP 14 19.05 x 6.35 x 3.3mm 3.3mm 19.05mm +85 °C
RS Stock No. 533-3074
Mfr. Part No.LM231N/NOPB
HK$43.91
Each
units
VFC - 100kHz ±0.14%FSR Single 5 V, 9 V, 12 V, 15 V, 18 V, 24 V, 28 V - Through Hole MDIP 8 9.27 x 6.35 x 3.3mm 3.3mm 9.27mm +85 °C
RS Stock No. 121-8681
Mfr. Part No.LM231N/NOPB
HK$35.164
Each (In a Tube of 40)
units
VFC - 100kHz ±0.14%FSR Single 5 V, 9 V, 12 V, 15 V, 18 V, 24 V, 28 V - Through Hole MDIP 8 9.27 x 6.35 x 3.3mm 3.3mm 9.27mm +85 °C
RS Stock No. 121-8693
Mfr. Part No.LM331N/NOPB
HK$17.372
Each (In a Tube of 40)
units
VFC - 100kHz ±0.14%FSR Single 5 V, 9 V, 12 V, 15 V, 18 V, 24 V, 28 V - Through Hole MDIP 8 9.27 x 6.35 x 3.3mm 3.3mm 9.27mm +70 °C
RS Stock No. 923-3681
Mfr. Part No.VFC32KP
HK$81.334
Each (In a Tube of 25)
units
FVC, VFC - 100kHz ±0.05%FSR Dual - ±15V Through Hole PDIP 14 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm +70 °C