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TAS5162 AD/BD

jerry booth
Prodigy 200 points
Other Parts Discussed in Thread: TAS5631, TAS5614A, TAS5518, TAS5162

On the mode control in the data sheet it lists  AD/BD modulation. It is either AD or BD isn't it. Which is it? I don't see another select to pick which one.

MODE PINS
PWM INPUT OUTPUT CONFIGURATION PROTECTION SCHEME
M3 M2 M1
0 0 0 2N (1) AD/BD modulation 2 channels BTL output BTL mode, full protection (2)

  • 0
    TI__Guru**** 189399 points

    Hi, Jerry,

    This device is a power stage. It merely takes what you give it and scales it up in current and voltage. For those modes, it can handle EITHER AD or BD. Basically, BD requires 2N input, AD can get away with 1N input.

    That part is pretty old... Why don't you use one of our newer parts? Like TAS5631 maybe? Or TAS5614A if you don't need 200W.

    -d2

  • 0 in reply to Don Dapkus
    Prodigy 200 points

    Thank you Don, I am using a TAS5518 to provide PWM to the TAS5162. I don't see a setting on the TAS5518 to pick AD or BD.  I have a design update using a TAS5631 were you can chose AD or BD on the mode pins. I am using the reference design as a basis. 

    Jerry