The PCM1804 is a high-performance, single-chip stereo A/D converter with fully differential analog voltage input. The PCM1804 uses a precision delta-sigma modulator and includes a linear phase antialias digital filter and high-pass filter (HPF) that removes dc offset from the input signal. The PCM1804 is suitable for a wide variety of mid- to high-grade consumer and professional applications, where excellent performance and 5-V analog supply and 3.3-V digital power-supply operation are required. The PCM1804 can achieve both PCM audio and DSD format due to the precision delta-sigma modulator. The PCM1804 is fabricated using an advanced CMOS process and is available in a small 28-pin SSOP package.
System Two, Audio Precision are trademarks of Audio Precision, Inc.
All other trademarks are the property of their respective owners.
| Number of ADC channels | 2 |
| Analog inputs | 2 |
| Digital audio interface | DSP, I2S, L, R |
| Control interface | H/W |
| Sampling rate (max) (kHz) | 192 |
| ADC SNR (typ) (dB) | 112 |
| Rating | Catalog |
| Analog outputs | 0 |
| Operating temperature range (°C) | -10 to 70 |
| SSOP (DB) | 28 | 79.56 mm² 10.2 x 7.8 |
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