Ordering number : ENA0260 Monolithic Linear IC LA7958 Overview For TV, VTR Audio/Video Switch This LA7958 is a Audio/Video Switch for TV, VTR. Functions Audio: Possible to Change 4 Channel×2 Video: Possible to Change 4 Channel, 6dB Amplifier, Y+C Amplifier Specifications Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Allowable power dissipation Operating temperature Storage temperature Symbol VCC V max Pd max Topr Tstg Pin 8 Ta ≤ 70°C Conditions Ratings .