LM381A Datasheet | National Semiconductor

Description The LM381 LM381A is a dual preamplifier for the amplification of low level signals in applications requiring optimum noise performance Each of the two amplifiers is pletely independent with individual internal power supply decoupler-regulator providing 120 d B supply rejection and 60 d B channel separation Other outstanding features include high gain (112 d B) large output voltage swing (VCC b 2V) p-p and wide power bandwidth (75 k Hz 20 Vp-p) The LM381 LM381A operates from a single supply across the wide range of 9V to 40V Either differential input or single ended input configurations may be selected The amplifier is internally pensated with the provision for additional external pensation for narrow band applications For additional information see AN-64 AN-104 Features Y Low noise 0 5 m V total input noise Y High gain 112 d B open loop Y Single supply operation Y...