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CODEC

Portable audio applications with a mono codec
CJC8988H

The CJC8988H is a low power, high quality stereo CODEC designed for portable digital audio applications.

 

The device integrates complete interfaces to 2 stereo headphone or line out ports. External component requirements are drastically reduced as no separate headphone amplifiers are required. Advanced on-chip digital signal processing performs graphic equaliser, 3-D sound enhancement and automatic level control for the microphone or line input. 


Product detail

l DAC SNR 93dB (‘A’ weighted), THD –87dB at 48kHz, 1.8V

l ADC SNR 91dB (‘A’ weighted), THD -81dB at 48kHz, 1.8V

l Programmable ALC / Noise Gate

l 2x On-chip Headphone Drivers

-THD –78dB, SNR 93dB with 16Ω load Hz, 1.8V

l Digital Graphic Equalizer

l Low Power

-7.8mW stereo playback (1.8V supplies)

-16.8mW record and playback (1.8V supplies)

l Low Supply Voltages

-Analogue 1.8V to 3.3V

-Digital core: 1.5V to 3.3V

-Digital I/O: 1.8V to 3.3V

l 256fs / 384fs or USB master clock rates: 12MHz, 24MHz

l Audio sample rates: 8kHz, 11.025kHz, 16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz,

l 48kHz, 8.2kHz, 96kHz generated internally from master clock

l 4x4mm COL package


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