VFC101JN BURR-BROWN [Burr-Brown Corporation], VFC101JN Datasheet
VFC101JN
Related parts for VFC101JN
VFC101JN Summary of contents
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Synchronized VOLTAGE-TO-FREQUENCY CONVERTER FEATURES FULL-SCALE FREQUENCY SET BY SYSTEM CLOCK MULTIPLE INPUT RANGES: 5V, 8V, 10V Full Scale ACCURATE 5V REFERENCE VOLTAGE LOW NONLINEARITY: 0.02% max at 100kHz FS LOW GAIN DRIFT: 40ppm/ C APPLICATIONS INTEGRATING A/D CONVERTER MULTICHANNEL ...
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... C OS REFERENCE VOLTAGE Accuracy Drift (2) Current Output (sourcing) Power Supply Rejection Output Impedance POWER SUPPLY Rated Voltage Operating Voltage Range Total Supply +V Digital Common Quiescent Current: +I Over Temperature CC –I CC ® VFC101 VFC101JN MIN TYP (V /2V ) CLOCK 100kHz 0.3 (2) 0.01 = 60pF 0. 60pF 0. ...
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... Grade 16 Designation PACKAGE INFORMATION MODEL +5V to +2V VFC101JN CC VFC101KN CC CC NOTE: (1) For detailed drawing and dimension table, please see end of data sheet, or Appendix D of Burr-Brown IC Data Book TEMPERATURE RANGE + + VFC101KN MAX MIN ...
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TYPICAL PERFORMANCE CURVES At + 15VDC, and in circuit of Figure 1, unless otherwise specified. CC QUIESCENT CURRENT vs TEMPERATURE – –75 –50 – Ambient Temperature ...
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THEORY OF OPERATION The VFC101 voltage-to-frequency converter provides digi- tal output pulses with an average frequency proportional to the analog input voltage. The output is an active low pulse of constant duration, with a repetition rate determined by the input ...
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Integrator 10k 7 – 16k IN + 1mA 10 6 –V Analog Ground FIGURE 2. Offset for Bipolar Input Voltages. INSTALLATION AND OPERATING INSTRUCTIONS The integrator capacitor C (see Figure 1) affects the ...
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The rising edge of an output pulse is determined by the RC time constant of the pull-up resistor and the stray capacitance. The synchronized nature of the VFC101 makes viewing its output on an oscilloscope ...
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As with any high- frequency circuit, careful attention to good power supply bypassing techniques (see “Power Supplies and Ground- ing”) is also required. TEMPERATURE DRIFT Conventional VFC circuits are affected significantly by external component ...
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The circuit in Figure 5 operates from the minimum power supplies, avoiding saturation of the integrator amplifier and loss of accuracy chosen for a +100mV to –75mV INT integrator voltage swing (referred to the noninverting com- parator input). ...
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C INT – Clock f (Preferred (Limits) IN Minimum Input Pulse FIGURE 7. Circuit and Timing Diagram of a Frequency-to-Voltage Converter. 100 f = 100kHz 10kHz ...