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  • AD537 Integrated Circuit Voltage-to-Frequency Converter
    The AD537 is a monolithic V-F converter consisting of an input amplifier, a precision oscillator system, an accurate internal reference generator and a high current output stage. Only a single external RC network is required to set up any full-scale (F.S.) frequency up to 100 kHz and any F.S. input voltage up to ± 30 V. Linearity error is as low as ± 0.05% for 10 kHz F.S., and operation is guaranteed over an 80 dB dynamic range. The overall temperature coefficient (excluding the effects of external components) is typically ± 30 ppm/°C. The AD537 operates from a single supply of 5 V to 36 V and consumes only 1.2 mA quiescent current.
    http://www.analog.com/en/prod/0,,760_794_AD537%2C00.html
  • V/F Converter ICs Handle Frequency-to-Voltage Needs

    http://www.national.com/an/AN/AN-C.pdf
  • Wide-Range Current-to-Frequency Converters

    http://www.national.com/an/AN/AN-240.pdf
  • AD654 Low Cost Monolithic Voltage-to-Frequency Converter
    The AD654 is a monolithic V/F converter consisting of an input amplifier, a precision oscillator system, and a high current output stage. A single RC network is all that is required to set up any full scale (FS) frequency up to 500 kHz and any FS input voltage up to ±30 V. Linearity error is only 0.03% for a 250 kHz FS, and operation is guaranteed over an 80 dB dynamic range. The overall temperature coefficient (excluding the effects of external components) is typically ±50 ppm/°C. The AD654 operates from a single supply of 5 V to 36 V and consumes only 2.0 mA quiescent current.
    http://www.analog.com/en/prod/0,,760_794_AD654%2C00.html
  • Designs for High Frequency Voltage-to-Frequency Converters
    A variety of high performance V/F circuits is presented. Included are a 1Hz to 100MHz design, a quartz-stabilized type and a 0.0007% linear unit. Other circuits feature 1.5V operation, sine wave output an nonlinear transfer functions. A separate section examines the trade-offs and advantages of various approaches to V/F conversion.
    http://www.linear.com/pc/downloadDocument.do?navId=H0,C1,C1154,C1002,C1223,P1209,D4110

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