PCM1792ADBR ,PCM1792A: 24-Bit 192 kHz Sampling Advanced Segment Audio Stereo DACFEATURES 5-V Tolerant Digital Inputs 24-Bit Resolution Small 28-Lead SSOP Package Analog Perfor ..
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PCM1792DB ,24-Bit 192 kHz Sampling Advanced Segment Audio Stereo DACELECTRICAL CHARACTERISTICSall specifications at T = 25°C, V 1 = V 2L = V 2R = 5 V, f = 44.1 kHz, sy ..
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PCM1792A-PCM1792ADB-PCM1792ADBR
PCM1792A: 24-Bit 192 kHz Sampling Advanced Segment Audio Stereo DAC
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 8× 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
APPLICATIONS A/V Receivers SACD Player DVD Players HDTV Receivers Car Audio Systems Digital Multitrack Recorders Other Applications Requiring 24-Bit Audio
DESCRIPTIONThe PCM1792A 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 PCM1792A
provides balanced current outputs, allowing the user to
optimize analog performance externally. The PCM1792A
accepts PCM and DSD audio data formats, providing easy
interfacing to audio DSP and decoder chips. The
PCM1792A 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 PCM1792A 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.
