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/Author (ON Semiconductor)
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/Title (NCP2817 - NOCAP LongPlay Headphone Amplifier)
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NCP2817 - NOCAP LongPlay Headphone Amplifier
ON Semiconductor
NCP2817 is a dual LongPlay true ground headphone amplifier
designed for portable communication device applications such as
mobile phones. This part is capable of delivering typical 27 mW of
continuous average power into a 32 load from a 1.8 V power supply
with a THD+N of 1%.
Based on the power supply delivered to the device, an internal
power management block generates a symmetrical positive and
negative voltage. Thus, the internal amplifiers provide outputs
referenced to Ground and the losses are reduced which helps to
increase the battery life. In this NOCAP configuration, the two
external heavy coupling capacitors can be removed. It offers
significant space and cost savings compared to a typical stereo
application.
NCP2817 is available with internal gain of −1.5 V/V. It reaches a
superior −100 dB PSRR and noise floor. Thus, it offers high fidelity
audio sound, as well as a direct connection to the battery. It contains
circuitry to prevent from “Pop & Click” noise that would otherwise
occur during turn−on and turn−off transitions. The device is available
in 12 bump CSP package (1.62 x 1.22, 0.4P) which helps to save space
on the board.
2015-11-19T11:24:48-07:00
BroadVision, Inc.
2020-10-16T11:19:42+08:00
2020-10-16T11:19:42+08:00
Acrobat Distiller 10.0.0 (Windows)
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