The LM131/LM231/LM331 family of voltage-to-frequency converters are ideally suited for use in simple low-cost circuits for analog-to-digital conversion, precision frequency to-voltage conversion, long-term integration, linear frequency modulation or demodulation, and many other functions.
Features
Guaranteed linearity 0.01% max
Improved performance in existing voltage-to-frequency conversion applications
Split or single supply operation
Operates on single 5V supply
Pulse output compatible with all logic forms
Excellent temperature stability,g50 ppm/°C max
Low power dissipation, 15 mW typical at 5V
Wide dynamic range, 100 dB min at 10 kHz full scale frequency
Wide range of full scale frequency, 1 Hz to 100 kHz