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PDF DSD1792 Data sheet ( Hoja de datos )
| Número de pieza | DSD1792 | |
| Descripción | 24 bit 192 khz SAMPLING ADVANCED SEGMENT AUDIO STEREO DIGITAL TO ANALOG CONVERTER | |
| Fabricantes | Burr-Brown Corporation | |
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BurrĆBrown Products
from Texas Instruments
DSD1792
SLES067A − MARCH 2003 − REVISED AUGUST 2003
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:
− 132 dB (9 V rms, Mono)
− 129 dB (4.5 V rms, Stereo)
− 127 dB (2 V rms, Stereo)
− THD+N: 0.0004%
D Differential Current Output: 7.8 mA p-p
D 8× Oversampling Digital Filter:
− Stop-Band Attenuation: –130 dB
− Pass-Band Ripple: ±0.00001 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 Optional Interface to External Digital Filter or
DSP Available
D TDMCA Interface Available
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
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 Player
D DVD Players
D HDTV Receivers
D Car Audio Systems
D Digital Multi-Track Recorders
D Other Applications Requiring 24-Bit Audio
DESCRIPTION
The DSD1792 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 DSD1792 provides balanced
current outputs, allowing the user to optimize analog
performance externally. The DSD1792 accepts the PCM
and DSD audio data formats, providing easy interfacing to
audio DSP and decoder chips. The DSD1792 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 a 4-wire serial control port, which
supports register write and readback functions. The
DSD1792 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.
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 2003, Texas Instruments Incorporated
1 page  
www.ti.com
DSD1792
SLES067A − MARCH 2003 − REVISED AUGUST 2003
ELECTRICAL CHARACTERISTICS (Continued)
all specifications at TA = 25°C, VCC1 = VCC2L = VCC2R = 5 V, fS = 44.1 kHz, system clock = 256 fS, and 24-bit data unless otherwise noted
PARAMETER
TEST CONDITIONS
DSD1792DB
MIN TYP MAX
UNIT
POWER SUPPLY REQUIREMENTS
VDD
VCC1
VCC2L
Voltage range
3 3.3
3.6 VDC
4.75 5 5.25 VDC
VCC2R
IDD
Supply current (1)
ICC
Power dissipation (1)
TEMPERATURE RANGE
fS = 44.1 kHz
fS = 96 kHz
fS = 192 kHz
fS = 44.1 kHz
fS = 96 kHz
fS = 192 kHz
fS = 44.1 kHz
fS = 96 kHz
fS = 192 kHz
12 15
23 mA
45
33 40
35 mA
37
205 250
250 mW
335
Operation temperature
–25 85 °C
θJA Thermal resistance
(1) Input is BPZ data.
28-pin SSOP
100 °C/W
PIN ASSIGNMENTS
DSDL
DSDR
DBCK
PLRCK
PDATA
PBCK
SCK
DGND
VDD
MS
MDI
MC
MDO
RST
DSD1792
(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
VCC2L
AGND3L
IOUTL−
IOUTL+
AGND2
VCC1
VCOML
VCOMR
IREF
AGND1
IOUTR−
IOUTR+
AGND3R
VCC2R
5
5 Page 
www.ti.com
ANALOG DYNAMIC PERFORMANCE
Supply Voltage Characteristics
TOTAL HARMONIC DISTORTION + NOISE
vs
SUPPLY VOLTAGE
0.01
DSD1792
SLES067A − MARCH 2003 − REVISED AUGUST 2003
DYNAMIC RANGE
vs
SUPPLY VOLTAGE
132
0.001
fS = 192 kHz
0.0001
4.50
132
fS = 96 kHz
fS = 48 kHz
4.75 5.00 5.25
VCC − Supply Voltage − V
Figure 11
SIGNAL-to-NOISE RATIO
vs
SUPPLY VOLTAGE
5.50
130
fS = 96 kHz
128 fS = 48 kHz
fS = 192 kHz
126
124
122
4.50
130
4.75 5.00 5.25
VCC − Supply Voltage − V
Figure 12
CHANNEL SEPARATION
vs
SUPPLY VOLTAGE
5.50
130
fS = 96 kHz
128 fS = 192 kHz
fS = 48 kHz
126
128
126
fS = 192 kHz
124
fS = 96 kHz
fS = 48 kHz
124 122
122
4.50
4.75 5.00 5.25
VCC − Supply Voltage − V
Figure 13
5.50
120
4.50
4.75 5.00 5.25
VCC − Supply Voltage − V
Figure 14
5.50
NOTE: PCM mode, TA = 25°C, VDD = 3.3 V, measurement circuit is Figure 34 (VOUT = 4.5 V rms).
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet DSD1792.PDF ] | |
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