LM1876

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SNAS097C – MAY 1999 – REVISED APRIL 2013

The high frequency pole is determined by the product of the desired high frequency pole, fH, and the gain, AV.

With a AV = 21 and fH = 100 kHz, the resulting GBWP is 2.1 MHz, which is less than the minimum GBWP of the

LM1876 of 5 MHz. This will ensure that the high frequency response of the amplifier will be no worse than 0.17

dB down at 20 kHz which is well within the bandwidth requirements of the design.

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