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. 162-4943
Mfr. Part No.VFC320BP
TWD893.60
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. 703-7898
Mfr. Part No.TC9401CPD
BrandMicrochip
TWD452.00
Each
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
RS Stock No. 709-4910
Mfr. Part No.AD7741YRZ
TWD219.00
Each
units
VFC Synchronous 1350kHz ±0.024% of Span Single 5 V - Surface Mount SOIC 8 5 x 4 x 1.5mm 1.5mm 5mm +105 °C
RS Stock No. 264-939
Mfr. Part No.TC9402CPD
BrandMicrochip
TWD119.00
Each
units
FVC, VFC - 100kHz ±0.5%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. 121-8576
Mfr. Part No.VFC32KU
TWD401.30
Each (In a Tube of 50)
units
- - - - - - - - - - - - - -
RS Stock No. 175-0473
Mfr. Part No.VIPER114LSTR
TWD16.70
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. 709-6095
Mfr. Part No.AD650JPZ
TWD1,046.00
Each
units
FVC, VFC Non-Synchronous 1000kHz ±0.05%FSR Dual - ±12 V, ±15 V Surface Mount PLCC 20 9.04 x 9.04 x 3.68mm 3.68mm 9.04mm +70 °C
RS Stock No. 660-4535
Mfr. Part No.VFC110AP
TWD970.00
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. 165-3465
Mfr. Part No.TC9401CPD
BrandMicrochip
TWD358.80
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
RS Stock No. 175-0471
Mfr. Part No.VIPER115XSTR
TWD15.70
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. 264-951
Mfr. Part No.TC9400CPD
BrandMicrochip
TWD253.00
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. 759-0904
Mfr. Part No.AD650AD
TWD1,409.00
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. 709-5480
Mfr. Part No.AD652KPZ
TWD1,047.00
Each
units
VFC Synchronous 2000kHz ±0.02%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. 709-6099
Mfr. Part No.AD650KNZ
TWD1,156.00
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. 538-4218
Mfr. Part No.ADVFC32KNZ
TWD598.00
Each
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. 913-0703
Mfr. Part No.AD652KPZ
TWD1,591.00
Each (In a Tube of 49)
units
VFC Synchronous 2000kHz ±0.02%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. 709-5487
Mfr. Part No.AD652JPZ
TWD884.00
Each
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. 177-9688
Mfr. Part No.TC9400COD
BrandMicrochip
TWD237.60
Each (In a Tube of 57)
units
- Voltage 100kHz 0.05 %FSR @ 10 kHz Single 8 → 15 V ±4 to ±7.5V Surface Mount SOIC 14 8.65 x 3.9 x 1.5mm 1.5mm 8.65mm +70 °C
RS Stock No. 876-6701
Mfr. Part No.TC9400CPD
BrandMicrochip
TWD206.60
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. 497-3362
Mfr. Part No.AD7740KRMZ
TWD90.80
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