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. 460-944
Mfr. Part No.LM2917N-8/NOPB
£1.69
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. 100-0722
Mfr. Part No.LM2917N-8/NOPB
£1.366
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. 533-5755
Mfr. Part No.LM331N/NOPB
£2.28
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. 121-8693
Mfr. Part No.LM331N/NOPB
£1.881
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. 460-948
Mfr. Part No.LM2917N/NOPB
£1.67
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. 100-0723
Mfr. Part No.LM2917N/NOPB
£1.366
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. 522-8944
Mfr. Part No.AD654JNZ
£8.09
Each
Units
VFC Non-Synchronous 500kHz ±0.4%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 PDIP 8 9.27 x 7.24 x 3.43mm 3.43mm 9.27mm +85 °C
RS Stock No. 111-1095
Mfr. Part No.AD654JNZ
£6.635
Each (In a Tube of 50)
Units
VFC Non-Synchronous 500kHz ±0.4%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 PDIP 8 9.27 x 7.24 x 3.43mm 3.43mm 9.27mm +85 °C
RS Stock No. 100-0730
Mfr. Part No.LM2907N-8/NOPB
£1.495
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. 461-032
Mfr. Part No.LM2907N-8/NOPB
£1.816
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. 461-036
Mfr. Part No.LM2907N/NOPB
£1.816
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
£1.495
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. 806-2712
Mfr. Part No.KA331
£0.38
Each (In a Tube of 50)
Units
VFC Non-Synchronous 100kHz - Single 40 V - Through Hole PDIP 8 9.6 x 6.4 x 3.4mm 5.08mm 9.6mm +70 °C
RS Stock No. 522-8225
Mfr. Part No.AD654JRZ
£7.82
Each
Units
VFC Non-Synchronous 500kHz ±0.4%FSR Dual, Single 5 V, 9 V, 12 V, 15 V, 18 V, 24 V, 28 V ±12 V, ±15 V, ±9 V Surface Mount SOIC 8 5 x 4 x 1.5mm 1.5mm 5mm +85 °C
RS Stock No. 912-8992
Mfr. Part No.AD654JRZ
£6.213
Each (In a Tube of 98)
Units
VFC Non-Synchronous 500kHz ±0.4%FSR Dual, Single 5 V, 9 V, 12 V, 15 V, 18 V, 24 V, 28 V ±12 V, ±15 V, ±9 V Surface Mount SOIC 8 5 x 4 x 1.5mm 1.5mm 5mm +85 °C
RS Stock No. 876-6701
Mfr. Part No.TC9400CPD
BrandMicrochip
£4.65
Each (In a Tube of 30)
Units
FVC, VFC - 100kHz ±0.25%FSR Dual, Single 9 V, 12 V ±5V Through Hole PDIP 14 19.05 x 6.35 x 3.3mm 3.3mm 19.05mm +70 °C
RS Stock No. 264-951
Mfr. Part No.TC9400CPD
BrandMicrochip
£5.70
Each
Units
FVC, VFC - 100kHz ±0.25%FSR Dual, Single 9 V, 12 V ±5V Through Hole PDIP 14 19.05 x 6.35 x 3.3mm 3.3mm 19.05mm +70 °C
RS Stock No. 121-8690
Mfr. Part No.LM2917M-8/NOPB
£1.416
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
£2.01
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. 165-3465
Mfr. Part No.TC9401CPD
BrandMicrochip
£4.089
Each (In a Tube of 30)
Units
FVC, VFC - 100kHz ±0.08%FSR Dual, Single 9 V, 12 V ±5V Through Hole PDIP 14 19.05 x 6.35 x 3.3mm 3.3mm 19.05mm +70 °C
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