LM2917N / NOPB
Precision frequency - voltage
Precision frequency – voltage [DIP-14]
Voltage / Frequency Converters, National Semiconductor.
National Semiconductor’s economic Voltage to Frequency converters feature low power consumption and a wide dynamic range and are ideal for analog-to-digital conversion applications.
Also available in this range are Frequency to Voltage converters that are well suited to applications such as tachometers and speed governors.