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PCM1702U

PCM1702U

The PCM1702 is a precision 20-bit digital-to-analog converter with ultra-low distortion (–96dB typ with a full scale output).

The PCM1702 is a precision 20-bit digital-to-analog converter with ultra-low distortion (–96dB typ with a full scale output). Incorporated into the PCM1702 is an advanced sign magnitude architecture that eliminates
unwanted glitches and other nonlinearities around bipolar zero. The PCM1702 also features a very low noise (120dB typ SNR: A-weighted method) and fast settling current output (200ns typ, 1.2mA step) which
is capable of 16X oversampling rates.

Applications include very low distortion frequency synthesis and high-end consumer and professional digital audio applications.

PCM1702U DA Converter IC Chips

D/A converter, or ADC, usually refers to an electronic component that converts analog signals into digital signals. The usual analog-to-digital converter is to convert an input voltage signal into an output digital signal. Because the digital signal itself is not meaningful, it represents only a relative size, any analog-to-digital converter needs a reference analog quantity as the standard for conversion, and the common reference standard is the maximum conversion signal size. The output number indicates the input signal relative to the reference signal.

The role of D/A converter is to convert continuous time and continuous amplitude analog signal into discrete time, discrete amplitude digital signal. Therefore, D/A conversion generally goes through sampling, keeping, quantization and coding process. In the actual circuit, these processes are merged, for example, sampling and maintenance, and quantization and coding are often implemented simultaneously in the transformation process.
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