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Audio selector saves PCB space, costs

Posted: 04 Mar 2009 ?? ?Print Version ?Bookmark and Share

Keywords:audio selector? A/V equipment? save PCB space cost?


New Japan Radio Co. Ltd has launched the 2/3/4 input and 1 output stereo audio selector NJM2752/53/54 for audio/video equipments with multi-inputs such as TV, car stereo and DVD player.

The NJM2752/53/55 audio selectors consist of switches and buffer amplifiers and with the same pin configuration. The buffer amplifiers eliminate the need for external operational amplifier, contributing to the small footprint of PCBs and reducing costs. The devices operate at 4.7V to 10V range and deliver low distortion (THD = 0.0009 percent) and low noise (Vno = 114dBV) for high quality sound.

The NJM2752 is available in TVSP10 (2.9mm x 4mm x 1mm) and SSOP14 (5mm x 6.4mm x1.26mm) packages, while the NJM2753 and NJM2755 are available in SSOP14 and SSOP16 (5mm x 6.4mm x1.26mm) packages, respectively. Sample prices for the NJM2752, NJM2753 and NJM2754 are 60 yen ($0.61), 80 yen ($0.82) and 100 yen ($1.02), respectively.

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