PCM1782

Manufacturer Part NumberPCM1782
DescriptionPCM178224-Bit, 192-kHz Sampling, Enhanced Multilevel, Delta-Sigma, Audio Digital-to-Analog Converter
ManufacturerTexas Instruments, Inc.
PCM1782 datasheet
 


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Burr Brown Products
from Texas Instruments
24-Bit, 192-kHz Sampling, Enhanced Multilevel, Delta-Sigma,
FEATURES
24-Bit Resolution
Analog Performance (V
= 5 V):
CC
– Dynamic Range: 106 dB
– SNR: 106 dB, Typical
– THD+N: 0.002%, Typical
– Full-Scale Output: 3.9 Vp-p, Typical
4×/8× Oversampling Digital Filter:
– Stop-Band Attenuation: –50 dB
– Pass-Band Ripple: ±0.04 dB
Sampling Frequency: 5 kHz to 200 kHz
System Clock: 128 f
, 192 f
S
S
512 f
, 768 f
, 1152 f
With Autodetect
S
S
S
Software Control (PCM1780, PCM1782):
– Accepts 16-, 18-, 20-, and 24-Bit Audio Data
– Formats: Right-Justified, I
Left-Justified
– Digital Attenuation: Mode Selectable
0 dB to –63 dB, 0.5 dB/step
0 dB to –100 dB, 1 dB/step
– Digital De-Emphasis
– Digital Filter Rolloff: Sharp or Slow
– Soft Mute
– Zero Flags for Each Output
– Open-Drain Output Zero Flag (PCM1782)
Hardware Control (PCM1781):
2
– I
S and 16-Bit Word, Right-Justified
– Digital De-Emphasis
– Soft Mute
– Zero Flag for L-, R-Channel Common Output
Power Supply: 5-V Single Supply
Small, 16-Lead SSOP Package (150 mil)
Pin-Compatible with PCM1680
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.
System Two, Audio Precision are trademarks of Audio Precision, Inc.
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Audio Digital-to-Analog Converter
APPLICATIONS
A/V Receivers
DVD Movie Players
DVD Add-On Cards For High-End PCs
DVD Audio Players
HDTV Receivers
Car Audio Systems
Other Applications Requiring 24-Bit Audio
DESCRIPTION
The PCM1780/81/82 is a CMOS, monolithic, inte-
grated circuit, which includes stereo digital-to-analog
converters and support circuitry in a small 16-lead
, 256 f
, 384 f
,
S
S
SSOP package. The data converters use TI’s en-
hanced multilevel delta-sigma architecture to achieve
excellent dynamic performance and improved toler-
ance to clock jitter. The PCM1780/81/82 accepts
2
industry standard audio data formats with 16- to
S, and
24-bit data, providing easy interfacing to audio DSP
and decoder chips. Sampling rates up to 200 kHz are
supported. The PCM1780/82 provides a full set of
user-programmable functions through a three-wire
serial control port, which supports register write
functions. The PCM1781 provides a subset of
user-programmable functions through four control
pins.
The PCM1780 is pin-compatible with the PCM1680
(8-channel DAC).
PCM1780, PCM1781, PCM1782
SLES132A – MARCH 2005 – REVISED APRIL 2005
Copyright © 2005, Texas Instruments Incorporated

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