Found 13 alternatives for LM231AN/NOPB by Texas Instruments. Pmic V F And F V Converters — 8-DIP (0.300", 7.62mm).
IC F/V & V/F CONV 100KHZ 8DIP
VOLTAGE TO FREQUENCY CONVERTER,
IC F/V CONV 10KHZ 8DIP
IC V/F CONV 100KHZ 8DIP
IC V/F CONV 500KHZ 8DIP
IC V/F CONV 500KHZ 8DIP
IC V/F CONV 100KHZ 8DIP
IC V/F CONV 100KHZ 8DIP
IC V/F CONV 100KHZ 8DIP
IC V-F CONV MONO 500KHZ 8-DIP
IC V/F CONV 500KHZ 8DIP
IC CONVERTER V TO FREQ 8-DIP
IC V/F CONV 6.144MHZ 8DIP