Designated client product This product will be discontinued its production in the near term. And it is provided for customers currently in use only, with a time limit. It can not be available for your new project. Please select other new or existing products. For more information, please contact our sales office in your region. New Japan Radio Co.,Ltd. www.njr.com NJM2121 HIGH SPEED OPERATIONAL AMPLIFIER WITH SWITCH GENERAL DESCRIPTION PACKAGE OUTLINE The NJM2121 is a dual operational amplifier of 2-INPUT and 1-OUTPUT with analog switch. The NJM2121 can be used as analog switch under the condition of G =0dB, as Switch + Amp V in order that each gain (A or B) can be adjusted independently. Each amplifier of the NJM2121 has the same electrical characteristics as the NJM4560. NJM2121D NJM2121M The NJM2121 is suitable for Audio, Video, Electrical musical instrumentetc. FEATURES Analog Switch Function Operating Voltage ( 3V~18V ) Slew Rate ( 4V/s typ. ) Wide Unity Gain Bandwidth ( 14MHz typ. ) Package Outline DIP8,DMP8 Bipolar Technology PIN CONFIGURATION Top View PIN FUNCTION 1.SW.CONTROL 2.A +INPUT 3.A -INPUT - 4.V 5.OUTPUT 6.B INPUT 7.B +INPUT + 8.V EQUIVALENT CIRCUIT Ver.2011-03-16 - 1 -