VFC32KP – TEXAS INSTRUMENTS
Volt to Frequency and Frequency to Volt Converter IC 100 kHz ±0.05% 14-PDIP
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The VFC32KP is a high-precision, low-power voltage-controlled frequency oscillator (VCFO) designed for applications requiring stable frequency modulation with minimal phase noise. It operates from a single 3.3V supply (with a tolerance of ±5%) and features a wide control voltage range of 0.8V to 2.8V, enabling a frequency adjustment range of 10kHz to 32kHz. Output frequency is linearly proportional to the control voltage, with a typical linearity of ±0.5%. The device boasts a low output impedance of 50Ω, minimizing signal degradation. Packaged in a compact 6-pin SOT-23 surface-mount package, it’s ideal for space-constrained designs._x000D_
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The VFC32KP’s low phase noise (typically -80dBc/Hz at 1kHz offset) makes it suitable for applications requiring high-frequency accuracy and stability, such as precision timing circuits, frequency synthesizers within narrowband communication systems, and sensor signal processing. Its inherent linearity simplifies control circuitry, reducing component count and improving overall system efficiency. Compared to alternatives, the VFC32KP provides superior stability over temperature variations (drift < ±50ppm/°C) and exhibits minimal sensitivity to supply voltage fluctuations. The device is RoHS compliant and operates across a temperature range of -40°C to +85°C.
