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Burr-Brown Corporation

PCM1748 Datasheet Preview

PCM1748 Datasheet

24-Bit/ 96kHz Sampling Enhanced Multilevel/ Delta-Sigma/ Audio DIGITAL-TO-ANALOG CONVERTER

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PCM1748
PCM1748
SBAS165A – MAY 2001
24-Bit, 96kHz Sampling
Enhanced Multilevel, Delta-Sigma, Audio
DIGITAL-TO-ANALOG CONVERTER
FEATURES
q 24-BIT RESOLUTION
q ANALOG PERFORMANCE (VCC = +5V):
Dynamic Range: 106dB typ (PCM1748KE)
100dB typ (PCM1748E)
SNR: 106dB typ (PCM1748KE)
100dB typ (PCM1748E)
THD+N: 0.002% typ (PCM1748KE)
0.003% typ (PCM1748E)
Full-Scale Output: 3.1Vp-p typ
q 8x OVERSAMPLING DIGITAL FILTER:
Stopband Attenuation: –55dB
Passband Ripple: ±0.03dB
q SAMPLING FREQUENCY: 5kHz to 100kHz
q SYSTEM CLOCK: 256, 384, 512, 768fS with
Auto Detect
q ACCEPTS 16-, 18-, 20-, AND 24-BIT AUDIO
DATAzx
q DATA FORMATS: Standard, I2S, and
Left-Justified
q USER-PROGRAMMABLE MODE CONTROLS:
Digital Attenuation: 0dB to –63dB, 0.5dB/Step
Digital De-Emphasis
Digital Filter Roll-Off: Sharp or Slow
Soft Mute
Zero Flags for Each Output
q DUAL-SUPPLY OPERATION:
+5V Analog, +3.3V Digital
q 5V TOLERANT DIGITAL INPUTS
q SMALL SSOP-16 PACKAGE
q SAME PACKAGE SIZE AS SOP-8
APPLICATIONS
q A/V RECEIVERS
q DVD MOVIE PLAYERS
q DVD ADD-ON CARDS FOR HIGH-END PCs
q HDTV RECEIVERS
q CAR AUDIO SYSTEMS
q OTHER MULTICHANNEL AUDIO SYSTEMS
DESCRIPTION
The PCM1748 is a CMOS, monolithic, integrated circuit which
includes stereo Digital-to-Analog Converters (DACs) and support
circuitry in a small SSOP-16 package. The data converters utilize
Texas Instrument’s enhanced multilevel delta-sigma architecture
that employs fourth-order noise shaping and 8-level amplitude
quantization to achieve excellent dynamic performance and im-
proved tolerance to clock jitter. The PCM1748 accepts industry
standard audio data formats with 16- to 24-bit data, providing easy
interfacing to audio DSP and decoder chips. Sampling rates up to
100kHz are supported. A full set of user-programmable functions
are accessible through a 3-wire serial control port that supports
register write functions.
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.
www.ti.com
Copyright © 2000, Texas Instruments Incorporated




Burr-Brown Corporation

PCM1748 Datasheet Preview

PCM1748 Datasheet

24-Bit/ 96kHz Sampling Enhanced Multilevel/ Delta-Sigma/ Audio DIGITAL-TO-ANALOG CONVERTER

No Preview Available !

ABSOLUTE MAXIMUM RATINGS
Power Supply Voltage, VDD .............................................................. +4.0V
VCC .............................................................. +6.5V
Ground Voltage Differences .............................................................. ±0.1V
Digital Input Voltage ................................................ –0.3V to (6.5V + 0.3V)
Input Current (except power supply) ............................................... ±10mA
Ambient Temperature Under Bias .................................. –40°C to +125°C
Storage Temperature ...................................................... –55°C to +150°C
Junction Temperature .................................................................... +150°C
Lead Temperature (soldering, 5s) ................................................. +260°C
Package Temperature (IR reflow, 10s) .......................................... +235°C
ELECTROSTATIC
DISCHARGE SENSITIVITY
This integrated circuit can be damaged by ESD. Texas Instru-
ments 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.
PACKAGE/ORDERING INFORMATION
PRODUCT
PACKAGE
PACKAGE
DRAWING
NUMBER
SPECIFIED
TEMPERATURE
RANGE
PACKAGE
MARKING
ORDERING
NUMBER(1)
TRANSPORT
MEDIA
PCM1748E
"
PCM1748KE
"
SSOP-16
"
SSOP-16
"
322
–25°C to +85°C
PCM1748E
PCM1748E
Rails
"
"
"
PCM1748E/2K
Tape and Reel
322
–25°C to +85°C
PCM1748KE
PCM1748KE
Rails
"
"
"
PCM1748KE/2K
Tape and Reel
NOTE: (1) Models with a slash (/) are available only in Tape and Reel in the quantities indicated (e.g., /2K indicates 2000 devices per reel). Ordering 2000 pieces
of “PCM1748E/2K” will yield a single 2000-piece Tape and Reel.
PIN CONFIGURATION
TOP VIEW
BCK 1
DATA 2
LRCK 3
DGND 4
VDD 5
VCC 6
VOUTL 7
VOUTR 8
PCM1748
SSOP
16 SCK
15 ML
14 MC
13 MD
12 ZEROL/NA
11 ZEROR/ZEROA
10 VCOM
9 AGND
PIN ASSIGNMENTS
PIN NAME TYPE
1 BCK
IN
2 DATA IN
3 LRCK IN
4 DGND
5 VDD
6 VCC
7 VOUTL OUT
8 VOUTR OUT
9 AGND
10 VCOM
11 ZEROR/
ZEROA
OUT
12 ZEROL/NA OUT
13 MD
IN
14 MC
IN
15 ML
IN
16 SCK
IN
FUNCTION
Audio Data Bit Clock Input.(1)
Audio Data Digital Input.(1)
L-Channel and R-Channel Audio Data Latch En-
able Input.(1)
Digital Ground
Digital Power Supply, +3.3V
Analog Power Supply, +5V
Analog Output for L-Channel.
Analog Output for R-Channel.
Analog Ground
Common Voltage Decoupling.
Zero Flag Output for R-Channel/Zero Flag Output
for L/R-Channel.
Zero Flag Output for L-Channel/No Assign.
Mode Control Data Input.(2)
Mode Control Clock Input.(2)
Mode Control Latch Input.(2)
System Clock Input.
NOTES: (1) Schmitt-trigger input, 5V tolerant. (2) Schmitt-trigger with internal
pull-down, 5V tolerant.
2 PCM1748
SBAS165


Part Number PCM1748
Description 24-Bit/ 96kHz Sampling Enhanced Multilevel/ Delta-Sigma/ Audio DIGITAL-TO-ANALOG CONVERTER
Maker Burr-Brown Corporation
Total Page 22 Pages
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