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. 461-036
Mfr. Part No.LM2907N/NOPB
$3.458
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
$1.997
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. 460-948
Mfr. Part No.LM2917N/NOPB
$4.642
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. 159-7770
Mfr. Part No.AD650KNZ
$48.086
Each (In a Tube of 25)
units
FVC, VFC Non-Synchronous 1000kHz ±0.1%FSR Dual - ±12 V, ±15 V Through Hole PDIP 14 19.05 x 6.35 x 3.3mm 3.3mm 19.05mm +70 °C
RS Stock No. 100-0730
Mfr. Part No.LM2907N-8/NOPB
$2.932
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
$3.216
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. 709-6099
Mfr. Part No.AD650KNZ
$59.52
Each
units
FVC, VFC Non-Synchronous 1000kHz ±0.1%FSR Dual - ±12 V, ±15 V Through Hole PDIP 14 19.05 x 6.35 x 3.3mm 3.3mm 19.05mm +70 °C
RS Stock No. 100-0723
Mfr. Part No.LM2917N/NOPB
$3.075
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
$44.275
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. 709-2762
Mfr. Part No.AD537JH
$47.45
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. 158-5261
Mfr. Part No.AD652JPZ
$38.717
Each (In a Tube of 49)
units
VFC Synchronous 2000kHz ±0.05%FSR Dual, Single 15 V, 18 V, 24 V ±15V Surface Mount PLCC 20 9.04 x 9.04 x 3.68mm 3.68mm 9.04mm +70 °C
RS Stock No. 522-8944
Mfr. Part No.AD654JNZ
$20.89
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. 162-4943
Mfr. Part No.VFC320BP
$45.643
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. 759-2310
Mfr. Part No.AD652BQ
$73.04
Each
units
VFC Synchronous 2000kHz 0.005% of Span Dual, Single 12 → 36 V ±15V Through Hole CERDIP 16 21.34 x 7.87 x 3.56mm 3.56mm 21.34mm +85 °C
RS Stock No. 923-3681
Mfr. Part No.VFC32KP
$19.68
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
RS Stock No. 111-1135
Mfr. Part No.AD650JNZ
$72.20
Each (In a Tube of 25)
units
FVC, VFC Non-Synchronous 1000kHz ±0.05%FSR Dual - ±12 V, ±15 V Through Hole PDIP 14 19.05 x 6.35 x 3.3mm 3.3mm 19.05mm +70 °C
RS Stock No. 533-5547
Mfr. Part No.LM2917M-8/NOPB
$4.40
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. 636-4675
Mfr. Part No.LM2907M-8
$4.94
Each (In a Pack of 5)
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. 162-8208
Mfr. Part No.LM2907M/NOPB
$3.476
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. 158-2579
Mfr. Part No.AD7741BRZ
$7.637
Each (In a Tube of 98)
units
VFC Synchronous 1350kHz ±0.024% of Span Single 5 V - Surface Mount SOIC 8 5 x 4 x 1.5mm 1.5mm 5mm +85 °C
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