DESCRIPTION
●The NE572 is a dual-channel, high-performance gain control circuit in which either channel may be used for dynamic range compression or expansion. Each channel has a full-wave rectifier to detect the average value of input signal, a linearized, temperature-compensated variable gain cell
●(∆G) and a dynamic time constant buffer. The buffer permits independent control of
●dynamic attack and recovery time with minimum external components and improved
●low frequency gain control ripple distortion over previous compandors.
●FEATURES
●•Independent control of attack and recovery time
●•Improved low frequency gain control ripple
●•Complementary gain compression and expansion with external op amp
●•Wide dynamic range—greater than 110dB
●•Temperature-compensated gain control
●•Low distortion gain cell
●•Low noise—6µV typical
●•Wide supply voltage range—6V-22V
●•System level adjustable with external components
