LT1054IN8 Charge Pump IC DIP8 LINEAR TECH 7660 1044 1054

These charge pumps are improved versions of the 1044 and 7660 and are drop in replacements. These shouldn't add oscillation to the circuit, but connecting Pin1 to V+ (Pin 8) will raise the frequency way out of the audio range. DIP8 package, mfg: Linear Tech. These can handle up to 15v input