Integrated Circuits

Op-Amp - NJM4558L, Dual high-gain, 8-Pin SIP
NJM4558L dual op amp from JRC in a SIP8 package. The NJM4558L is the same as the DIP NJM4558 (JRC4558) otherwise. The SIP version is a great replacement for dual op amps in vintage circuits as well as a space saving package for some PCB layouts. The NJM4558L is a dual high-gain operational amplifier with internal compensation circuit and constructed on a single silicon chip. It offers excellent characteristics by combining the parameters adjusted for a monolithic chip. The channel separation characteristic is suitable for measuring instruments. Features:
  • Operating Voltage ( ±4V~±18V )
  • High Voltage Gain ( 100dB typ. )
  • High Input Resistance ( 5MΩ typ. )
  • Bipolar Technology

See P-Q4558 for the DIP version of this chip
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Op-Amp - NJM4580L, Dual, Audio, 8-Pin SIP
NJM4580L dual op amp from JRC in a SIP8 package. The NJM4580L is the same as the DIP NJM4580 (JRC4580) otherwise. The SIP version is a great replacement for dual op amps in vintage circuits as well as a space saving package for some PCB layouts. The NJM4580 is a dual operational amplifier, specially designed for improving the tone control, which is most suitable for the audio application. Featuring noiseless, higher gain bandwidth, high output current and low distortion ratio, and it is most suitable not only for acoustic electronic parts of audio pre-amp and active filter, but also for the industrial measurement tools.
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