Keywords: fixed-gain differential amplifiers, voltage gain, resistor networks, worst-case analysis
Where GAIN is the amplifier's fixed voltage gain in dB. (The MAX98300 differential audio amplifier is available in fixed-gain versions of 0, 3, 6, 9, and 12dB; its input resistance is typically 20kΩ in 6, 9, and 12dB configurations, 28kΩ in 3dB configuration, and 40kΩ in 0dB configuration.)
These gain equations assume that the frequency is much higher than the cutoff frequency of the highpass filter formed by CIN and the equivalent input resistance of the circuit.
|Worst-Case Tolerance Calculation|
|Lowest Gain||Single-Ended||Differential||Highest Gain||Single-Ended||Differential|
Where f is the input-signal frequency.
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APPLICATION NOTE 4559,AN4559, AN 4559, APP4559, Appnote4559, Appnote 4559
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