SLOA292 May   2020 TAS5760LD

 

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5.2 Feedback Resistor Network Design With Practical Application Waveform

The circuit further increases the feedback gain resistor network value 2 times as shown in Table 2. The output transient is implicit due to the level is almost as same as the background noise.

Cons:

Equation 4. slos292-equation-4.gif

where, K = 1.38 × 10 23 J/K is Boltzmann’s constant, T is the absolute temperature (K), and B(Hz) is the bandwidth of the system.

Equation 5. slos292-equation-5.gif
sloa292-tas5760ld-line-drivers-waveform-the-termination-resistor-is-270-ohm-1.gifFigure 14. Increasing Line Driver Feedback Resistor Network’s Waveform With 270Ω Termination Resistor

CH1 is input from SOC. CH2 is line driver output. CH3 is (DR_MUTE)̅ controlled waveform by SOC’s GPIO. CH4 is 3.3V for line driver power.