Support is limited to customers who have already adopted these products. The μPC4072MF-DAA is a J-FET input operational amplifier. This product is designed as low noise version of the μPC4082. The features of the μPC4072MF-DAA are more improved input equivalent noise voltage, input offset voltage and input bias current than those of μPC4082. By these features, the μPC4072MF-DAA is excellent choice for wide variety of applications including audio preamplifier and active filter.