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. 912-8992
Mfr. Part No.AD654JRZ
PHP407.241
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. 522-8225
Mfr. Part No.AD654JRZ
PHP579.30
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. 497-3362
Mfr. Part No.AD7740KRMZ
PHP140.70
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. 161-0615
Mfr. Part No.AD7740KRMZ
PHP84.338
Each (In a Tube of 50)
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. 111-2216
Mfr. Part No.ADVFC32KNZ
PHP838.95
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. 158-1856
Mfr. Part No.ADVFC32SH
PHP1,234.051
Each (In a Box of 100)
units
FVC, VFC Non-Synchronous 500kHz ±0.2%FSR Dual - ±15V Through Hole TO-100 10 9.4 x 9.4 x 4.7mm 4.7mm 9.4mm +125 °C
RS Stock No. 145-6585
Mfr. Part No.AD7741BNZ
PHP275.866
Each (In a Tube of 50)
units
VFC Synchronous 1350kHz ±0.024% of Span Single 5 V - Through Hole PDIP 8 9.27 x 7.24 x 3.43mm 3.43mm 9.27mm +85 °C
RS Stock No. 697-7943
Mfr. Part No.ADVFC32SH
PHP1,277.54
Each
units
FVC, VFC Non-Synchronous 500kHz ±0.2%FSR Dual - ±15V Through Hole TO-100 10 9.4 x 9.4 x 4.7mm 4.7mm 9.4mm +125 °C
RS Stock No. 158-1945
Mfr. Part No.AD537JH
PHP1,146.993
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. 158-5261
Mfr. Part No.AD652JPZ
PHP1,128.759
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. 538-8175
Mfr. Part No.AD7740YRMZ
PHP156.45
Each
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 +105 °C
RS Stock No. 159-7629
Mfr. Part No.AD650AD
PHP1,905.489
Each (In a Tube of 25)
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. 709-5487
Mfr. Part No.AD652JPZ
PHP1,114.47
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. 709-4908
Mfr. Part No.AD7741BNZ
PHP368.41
Each
units
VFC Synchronous 1350kHz ±0.024% of Span Single 5 V - Through Hole PDIP 8 9.27 x 7.24 x 3.43mm 3.43mm 9.27mm +85 °C
RS Stock No. 709-4917
Mfr. Part No.AD7741BRZ
PHP296.63
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 +85 °C
RS Stock No. 538-4218
Mfr. Part No.ADVFC32KNZ
PHP945.53
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. 111-1135
Mfr. Part No.AD650JNZ
PHP1,341.326
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. 913-0703
Mfr. Part No.AD652KPZ
PHP1,239.715
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. 759-0907
Mfr. Part No.AD652AQ
PHP1,219.99
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. 158-2579
Mfr. Part No.AD7741BRZ
PHP220.422
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