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. 709-4908
Mfr. Part No.AD7741BNZ
£5.39
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. 462-4802
Mfr. Part No.VFC320BP
£24.51
Each
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. 709-6095
Mfr. Part No.AD650JPZ
£24.01
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. 709-6099
Mfr. Part No.AD650KNZ
£26.93
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. 697-7943
Mfr. Part No.ADVFC32SH
£25.78
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. 159-7769
Mfr. Part No.AD650JPZ
£21.301
Each (In a Tube of 49)
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. 158-1856
Mfr. Part No.ADVFC32SH
£19.37
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. 159-7770
Mfr. Part No.AD650KNZ
£24.73
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. 158-2578
Mfr. Part No.AD7741YRZ
£4.60
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 +105 °C
RS Stock No. 709-4910
Mfr. Part No.AD7741YRZ
£5.52
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. 175-0472
Mfr. Part No.VIPER115LSTR
£0.335
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. 158-1945
Mfr. Part No.AD537JH
£18.08
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. 197-7235
Mfr. Part No.LM2917N-8/NOPB
£1.634
Each (In a Pack of 5)
Units
FVC - - ±0.3% Single - - - PDIP 8 - - - -
RS Stock No. 709-2762
Mfr. Part No.AD537JH
£22.65
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. 175-0471
Mfr. Part No.VIPER115XSTR
£0.335
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. 175-0476
Mfr. Part No.VIPER115LSTR
£0.686
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. 177-9726
Mfr. Part No.TC9400COD
BrandMicrochip
£6.74
Each
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. 197-7234
Mfr. Part No.LM2917N-8/NOPB
£1.372
Each (In a Tube of 40)
Units
FVC - - ±0.3% Single - - - PDIP 8 - - - -
RS Stock No. 177-9688
Mfr. Part No.TC9400COD
BrandMicrochip
£5.62
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. 175-0474
Mfr. Part No.VIPER115XSTR
£0.676
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
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