Catalog > Semiconductors > Integrated Circuits TDA1522 IC Recorder 2 X NF-V Part No: TDA1522 7.48 ZAR inc for 1 Each (Quoting) Add to Cart Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications Supply voltage = 7.5...23 V Gain = 90 dB Total harmonic distortion = 0.05% RMS noise voltage referred to the input in the 20...20000 Hz band = 1.6 µV Operating temperature range = -30...+85°C.