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16位音频模拟数字转换器
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FEATURES
l LOW COST/HIGH PERFORMANCE 16-BIT AUDIO A/D CONVERTER
l FAST 5ms MAX CONVERSION TIME （4ms typ）
l VERY LOW THD+N （ typ –88dB at FS;max –82dB）
l ±3V INPUT RANGE
l TWO SERIAL OUTPUT MODES PROVIDE VERSATILE INTERFACING
l COMPLETE WITH INTERNAL REFERENCE AND CLOCK IN 28-PIN PLASTIC DIP
l ±5V TO ±15V SUPPLY RANGE （600mW Power Dissipation）
DESCRIPTION
The PCM78P is a low-cost 16-bit analog-to-digital converter which is specifically designed and tested for dynamic applications. It features very fast， low distortion performance （4ms/–88dB THD+N typical） and is complete with internal clock and reference circuitry. The PCM78P is packaged in a reliable， lowcost 28-pin plastic DIP and data output is available in user-selectable serial output formats. The PCM78P is ideal for digital audio tape （DAT） recorders. Many similar applications such as digital signal processing and telecom applications are equally well served by the PCM78P.
The PCM78P uses a SAR technique. Analog and digital portions are efficiently partitioned into a highspeed， bipolar section and a low-power CMOS section. The PCM78P has been optimized for excellent dynamic performance and low cost.
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