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PCM1792 - 132dB SNR Highest Performance 24-Bit Stereo DAC
PCM1792 - 132dB SNR Highest Performance 24-Bit Stereo DAC
The PCM1792 is a monolithic CMOS integrated circuit that includes stereo digital-to-analog converters and support circuitry in a small 28-lead SSOP package. The data converters use TI�s advanced segment DAC architecture to achieve excellent dynamic performance and improved tolerance to clock jitter. The PCM1792 provides balanced current outputs, allowing the user to optimize analog performance externally. The PCM1792 accepts PCM and DSD audio data formats, providing easy interfacing to audio DSP and decoder chips. The PCM1792 also accepts to interface external digital filter devices (DF1704, DF1706, PMD200). Sampling rates up to 200 kHz are supported. A full set of user-programmable functions is accessible through an SPI or I2C serial control port, which supports register write and readback functions. The PCM1792 also supports the time division multiplexed command and audio (TDMCA) data format.

Features
     24-Bit Resolution
     Analog Performance:
     Dynamic Range: 132 dB (9 V rms, Mono), 129 dB (4.5 V rms, Stereo), 127 dB (2 V rms, Stereo)
     THD+N: 0.0004%
     Differential Current Output: 7.8 mA p-p
     Oversampling Digital Filter: Stop-Band Attenuation: 130 dB, Pass-Band Ripple: 0.00001 dB
     Sampling Frequency: 10 kHz to 200 kHz
     System Clock: 128, 192, 256, 384, 512, or 768 fS With Autodetect
     Accepts 16-, 20-, and 24-Bit Audio Data
     PCM Data Formats: Standard, I2S, and Left-Justified
     DSD Format Interface Available
     Optional Interface to External Digital Filter or DSP Available
     TDMCA or Serial Port (SPI/I2C)
     User-Programmable Mode Controls: Digital Attenuation: 0 dB to 120 dB, 0.5 dB/Step, Digital De-Emphasis, Digital Filter Rolloff: Sharp or Slow, Soft Mute, Zero Flag for Each Output
     Dual Supply Operation: 5-V Analog, 3.3-V Digital
     5-V Tolerant Digital Inputs
     Small 28-Lead SSOP Package
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