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. 121-8693
Mfr. Part No.LM331N/NOPB
MYR17.14
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. 533-5755
Mfr. Part No.LM331N/NOPB
MYR19.06
Each
units
VFC - 100kHz ±0.14%FSR Single 12 V, 15 V, 18 V, 24 V, 28 V, 5 V, 9 V - Through Hole MDIP 8 9.27 x 6.35 x 3.3mm 3.3mm 9.27mm +70 °C
RS Stock No. 100-0722
Mfr. Part No.LM2917N-8/NOPB
MYR7.40
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. 460-944
Mfr. Part No.LM2917N-8/NOPB
MYR8.71
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. 461-032
Mfr. Part No.LM2907N-8/NOPB
MYR9.054
Each (In a Pack of 5)
units
FVC Voltage 10kHz ±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. 100-0730
Mfr. Part No.LM2907N-8/NOPB
MYR5.68
Each (In a Tube of 40)
units
FVC Voltage 10kHz ±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. 461-036
Mfr. Part No.LM2907N/NOPB
MYR8.626
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. 100-0731
Mfr. Part No.LM2907N/NOPB
MYR6.30
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. 111-2216
Mfr. Part No.ADVFC32KNZ
MYR124.457
Each (In a Tube of 25)
units
FVC, VFC Non-Synchronous 500kHz ±0.2%FSR Dual - ±15V Through Hole PDIP 14 19.05 x 6.35 x 3.3mm 3.3mm 19.05mm +70 °C
RS Stock No. 759-0904
Mfr. Part No.AD650AD
MYR186.46
Each
units
FVC, VFC Asynchronous 1000kHz 0.002% of Span Dual - ±9 → ±18V Through Hole SBDIP 14 19.43 x 7.87 x 3.56mm 3.56mm 19.43mm +85 °C
RS Stock No. 460-948
Mfr. Part No.LM2917N/NOPB
MYR8.536
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. 533-5547
Mfr. Part No.LM2917M-8/NOPB
MYR11.46
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. 121-8690
Mfr. Part No.LM2917M-8/NOPB
MYR10.239
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. 497-3362
Mfr. Part No.AD7740KRMZ
MYR10.96
Each (In a Pack of 5)
units
VFC Synchronous 1000kHz ±0.018% of Span Single 3.3 V, 5 V - Surface Mount uSOIC 8 3 x 3 x 0.85mm 0.85mm 3mm +85 °C
RS Stock No. 121-9286
Mfr. Part No.LM331AN/NOPB
MYR26.716
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 +70 °C
RS Stock No. 175-0473
Mfr. Part No.VIPER114LSTR
MYR2.397
Each (On a Reel of 2500)
units
- Voltage - - Single 4.5 → 30 V - Surface Mount SSOP 10 5 x 4 x 1.5mm 1.5mm 5mm +150 °C
RS Stock No. 709-2762
Mfr. Part No.AD537JH
MYR139.07
Each
units
VFC Non-Synchronous 150kHz ±0.25%FSR Dual, Single 12 V, 15 V, 18 V, 24 V, 28 V, 5 V, 9 V ±12 V, ±15 V, ±9 V Through Hole TO-100 10 9.4 x 9.4 x 4.7mm 4.7mm 9.4mm +70 °C
RS Stock No. 175-0476
Mfr. Part No.VIPER115LSTR
MYR3.56
Each (In a Pack of 10)
units
- Voltage - - Single 4.5 → 30 V - Surface Mount SSOP 10 5 x 4 x 1.5mm 1.5mm 5mm +150 °C
RS Stock No. 158-1945
Mfr. Part No.AD537JH
MYR104.844
Each (In a Box of 100)
units
VFC Non-Synchronous 150kHz ±0.25%FSR Dual, Single 5 V, 9 V, 12 V, 15 V, 18 V, 24 V, 28 V ±12 V, ±15 V, ±9 V Through Hole TO-100 10 9.4 x 9.4 x 4.7mm 4.7mm 9.4mm +70 °C
RS Stock No. 100-0723
Mfr. Part No.LM2917N/NOPB
MYR7.252
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
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