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24-Bit 192-kHz Sampling Advanced-Segment Audio Stereo DAC (Rev. A)
Texas Instruments
Description
The DSD1796 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 DSD1796 provides balanced current outputs, allowing the user to optimize analog performance externally. The DSD1796 accepts the PCM and DSD audio data formats, providing easy interfacing to audio DSP and decoder chips. The DSD1796 also interfaces with 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 serial control port, which supports register write and readback functions. The DSD1796 also supports the time-division-multiplexed command and audio (TDMCA) data format.
Features
Supports Both DSD and PCM Formats 24-Bit Resolution Analog Performance: Dynamic Range: 123 dB THD+N: 0.0005% Differential Current Output: 4 mA p-p 8× Oversampling Digital Filter: Stop-Band Attenuation: –98 dB Pass-Band Ripple: ±0.0002 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 Interface Available for Optional External Digital Filter or DSP TDMCA Interface Available 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 Compatible With DSD1792 (Pins and Mode Controls) Dual Supply Operation: 5 V Analog, 3.3 V Digital 5-V Tolerant Digital Inputs Small 28-Lead SSOP Package APPLICATIONS A/V Receivers SACD Players DVD Players HDTV Receivers Car Audio Systems Digital Multi-Track Recorders Other Applications Requiring 24-Bit Audio
Related Datasheets
| Part Number | Description | Category |
| • DSD1791 | 24-Bit, 192kHz Sampling, Advanced Segment, Audio Stereo DAC (Rev. B) | Passives - Filters, Oscillators and Resonators |
| • DSD1792A | 24-Bit, 192-kHz Sampling, Advanced Segment, Audio Stereo DAC (Rev. B) | Passives - Filters, Oscillators and Resonators |
| • DSD1793 | 24-Bit 192kHz Sampling Advanced Segment Audio Stereo DAC (Rev. B) | Passives - Filters, Oscillators and Resonators |
| • DSD1794A | 24-Bit 192-kHz Sampling Advanced Segment Audio Stereo DAC (Rev. A) | Passives - Filters, Oscillators and Resonators |
| • PCM1704 | SoundPlus™ 24-Bit, 96kHz BiCMOS Sign-Magnitude Digital-To-Analog Converter | Passives - Filters, Oscillators and Resonators |
| • PCM1791A | 24-Bit 192 kHz Sampling Advanced Segment Audio Stereo DAC (Rev. B) | Passives - Filters, Oscillators and Resonators |
| • PCM1792A | 24-Bit, 192-kHz Sampling, Advanced Segment, Audio Stereo DAC (Rev. B) | Passives - Filters, Oscillators and Resonators |
| • PCM1794A | 14-Bit 192-kHz Sampling Advanced Segment DAC (Rev. A) | Passives - Filters, Oscillators and Resonators |
| • PCM1796 | 24-Bit 192-kHz Sampling Advanced-Segment Audio Stereo DAC (Rev. A) | Passives - Filters, Oscillators and Resonators |
| • PCM1798 | 24-Bit 192-kHz Sampling Advanced-Segment Audio Stereo DAC (Rev. A) | Passives - Filters, Oscillators and Resonators |
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