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PDF DSD1793 Data sheet ( Hoja de datos )
| Número de pieza | DSD1793 | |
| Descripción | 24 BIT 192 KHZ SAMPLING ADVANCED SEGMENT AUDIO STEREO DIGITAL TO ANALOG CONVERTER | |
| Fabricantes | Burr-Brown Corporation | |
| Logotipo |  |
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BurrĆBrown Products
from Texas Instruments
DSD1793
SLES075A − MARCH 2003 − REVISED JANUARY 2004
24ĆBIT, 192ĆkHz SAMPLING, ADVANCED SEGMENT,
AUDIO STEREO DIGITALĆTOĆANALOG CONVERTER
FEATURES
D Supports Both DSD and PCM Formats
D 24-Bit Resolution
D Analog Performance:
− Dynamic Range: 113 dB
− THD+N: 0.001%
− Full-Scale Output: 2.1 V rms (at
Postamplifier)
D Differential Voltage Output: 3.2 V p-p
D 8× Oversampling Digital Filter:
− Stop-Band Attenuation: –82 dB
− Pass-Band Ripple: ±0.002 dB
D Sampling Frequency: 10 kHz to 200 kHz
D System Clock: 128, 192, 256, 384, 512, or
768 fS With Autodetect
D Accepts 16-, 20-, and 24-Bit Audio Data
D PCM Data Formats: Standard, I2S, and
Left-Justified
D DSD Format Interface Available
D Optional Interface to External Digital Filter or
DSP Available
D I2C-Compatible Serial Port
D 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 Flags for Each Output in PCM and
DSD Formats
D Dual Supply Operation:
− 5-V Analog, 3.3-V Digital
D 5-V Tolerant Digital Inputs
D Small 28-Lead SSOP Package, Lead-Free
Product
APPLICATIONS
D A/V Receivers
D SACD Players
D DVD Players
D HDTV Receivers
D Car Audio Systems
D Digital Multitrack Recorders
D Other Applications Requiring 24-Bit Audio
DESCRIPTION
The DSD1793 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 DSD1793 provides balanced
voltage outputs, allowing the user to optimize analog
performance externally. The DSD1793 accepts the PCM
and DSD audio data formats, providing easy interfacing to
audio DSP and decoder chips. The DSD1793 also accepts
interfaces to 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 I2C-compatible serial control port.
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.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments
semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date. Products
conform to specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
Copyright 2004, Texas Instruments Incorporated
1 page  
www.ti.com
PIN ASSIGNMENTS
DSD1793
SLES075A − MARCH 2003 − REVISED JANUARY 2004
PLRCK
PBCK
PDATA
DBCK
SCK
ADR1
VDD
DGND
AGNDF
VCCR
AGNDR
VOUTR−
VOUTR+
VCOM
DSD1793
(TOP VIEW)
1 28
2 27
3 26
4 25
5 24
6 23
7 22
8 21
9 20
10 19
11 18
12 17
13 16
14 15
ADR0
SCL
SDA
DSDL
DSDR
ZEROL
ZEROR
VCCF
VCCL
AGNDL
VOUTL−
VOUTL+
AGNDC
VCCC
5
5 Page 
www.ti.com
ANALOG DYNAMIC PERFORMANCE
Supply Voltage Characteristics
TOTAL HARMONIC DISTORTION + NOISE
vs
SUPPLY VOLTAGE
0.01
0.001
fS = 192 kHz
fS = 96 kHz
fS = 44.1 kHz
0.0001
4.00 4.25 4.50 4.75 5.00 5.25 5.50 5.75 6.00
VCC − Supply Voltage − V
Figure 11
SIGNAL-to-NOISE RATIO
vs
SUPPLY VOLTAGE
118
116
114 fS = 96 kHz
fS = 192 kHz
112 fS = 44.1 kHz
110
108
4.00 4.25 4.50 4.75 5.00 5.25 5.50 5.75 6.00
VCC − Supply Voltage − V
Figure 13
NOTE: PCM mode, TA = 25°C, VDD = 3.3 V.
DSD1793
SLES075A − MARCH 2003 − REVISED JANUARY 2004
DYNAMIC RANGE
vs
SUPPLY VOLTAGE
118
116
114 fS = 96 kHz
fS = 44.1 kHz
112 fS = 192 kHz
110
108
4.00 4.25 4.50 4.75 5.00 5.25 5.50 5.75 6.00
VCC − Supply Voltage − V
Figure 12
CHANNEL SEPARATION
vs
SUPPLY VOLTAGE
114
112
fS = 44.1 kHz
110
fS = 96 kHz
fS = 192 kHz
108
106
104
102
4.00 4.25 4.50 4.75 5.00 5.25 5.50 5.75 6.00
VCC − Supply Voltage − V
Figure 14
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet DSD1793.PDF ] | |
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