PCM1796DBR ,24BIT 192 KHZ SAMPLING ADVANCED SEGMENT AUDIO STEREO DIGITAL TO ANALOG CONVERTERmaximum ratings” may cause permanent damage to the device. These are stress ratings only, andfuncti ..
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PCM1796-PCM1796DB-PCM1796DBG4-PCM1796DBR
123dB SNR Stereo DAC (S/W Control) 28-SSOP -25 to 85
FEATURES 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 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 Compatible With PCM1792 (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 Multitrack Recorders Other Applications Requiring 24-Bit Audio
DESCRIPTIONThe PCM1796 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 PCM1796 provides balanced
current outputs, allowing the user to optimize analog
performance externally. The PCM1796 accepts PCM and
DSD audio data formats, providing easy interfacing to
audio DSP and decoder chips. The PCM1796 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 or I2 C serial control port, which
supports register write and readback functions. The
PCM1796 also supports the time division multiplexed
command and audio (TDMCA) data format.
This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate
precautions. Failure to observe proper handling and installation procedures can cause damage.
ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to
damage because very small parametric changes could cause the device not to meet its published specifications.
