PCM1791A datasheet, PDF - EEWORLD Datasheet

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PCM1791A: DescriptionSERIAL INPUT LOADING, 24-BIT DAC, PDSO28; Categorysemiconductor logic; File Size480KB，58 Pages; ManufacturerBurr-Brown; Websitehttp://www.burr-brown.com/

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PCM1791A Overview

SERIAL INPUT LOADING, 24-BIT DAC, PDSO28

PCM1791A Parametric

Parameter Name	Attribute value
Number of functions	1
Number of terminals	28
Maximum operating temperature	85 Cel
Minimum operating temperature	-25 Cel
Rated supply voltage	5 V
Processing package description	green, plastic, SSOP-28
Lead-free	Yes
EU RoHS regulations	Yes
China RoHS regulations	Yes
state	ACTIVE
Craftsmanship	CMOS
packaging shape	Rectangle
Package Size	SMALL OUTLINE, SHRINK PITCH
surface mount	Yes
Terminal form	GULL WING
Terminal spacing	0.6500 mm
terminal coating	Nickel Palladium
Terminal location	pair
Packaging Materials	Plastic/Epoxy
Temperature level	other
Input format	serial
Type of converter	digital to analog converter
Input bit encoding	2S Supplementary Binary
Maximum analog output voltage	3.2 V
Minimum analog output voltage	0.0 V

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Burr Brown Products

from Texas Instruments

PCM1791A

SLES071A − MARCH 2003 − REVISED JANUARY 2004

24 BIT, 192 kHz SAMPLING, ADVANCED SEGMENT,

AUDIO STEREO DIGITAL TO ANALOG CONVERTER

FEATURES

24-Bit Resolution

Analog Performance:

− Dynamic Range: 113 dB

− THD+N: 0.001%

− Full-Scale Output: 2.1 V RMS (at Postamp)

Differential Voltage Output: 3.2 Vp-p

8× Oversampling Digital Filter:

− Stop-Band Attenuation: –82 dB

− Pass-Band Ripple:

±0.002

Sampling Frequency: 10 kHz to 200 kHz

System Clock: 128, 192, 256, 384, 512, or

768 f

With Autodetect

Accepts 16-, 20-, and 24-Bit Audio Data

PCM Data Formats: Standard, I

S, and

Left-Justified

DSD Format Interface Available

Optional Interface to External Digital Filter or

DSP Available

TDMCA or Serial Port (SPI/I

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/PCM and DSD

Formats

Dual Supply Operation:

− 5-V Analog, 3.3-V Digital

5-V Tolerant Digital Inputs

Small 28-Lead SSOP Package, Lead-Free

Product

APPLICATIONS

A/V Receivers

SACD Players

DVD Players

HDTV Receivers

Car Audio Systems

Digital Multitrack Recorders

Other Applications Requiring 24-Bit Audio

DESCRIPTION

The PCM1791A 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 PCM1791A

provides balanced voltage outputs, allowing the user to

optimize analog performance externally. The PCM1791A

accepts PCM and DSD audio data formats, providing easy

interfacing to audio DSP and decoder chips. The

PCM1791A also accepts interface 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 SPI or I

C serial control

port, which supports register write and readback functions.

The PCM1791A 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.



2004, Texas Instruments Incorporated

PCM1791A Related Products

	PCM1791A	PCM1791ADB	PCM1791ADBR
Description	SERIAL INPUT LOADING, 24-BIT DAC, PDSO28	SERIAL INPUT LOADING, 24-BIT DAC, PDSO28	SERIAL INPUT LOADING, 24-BIT DAC, PDSO28
Number of functions	1	1	1
Number of terminals	28	28	28
Maximum operating temperature	85 Cel	85 Cel	85 Cel
Minimum operating temperature	-25 Cel	-25 Cel	-25 Cel
Rated supply voltage	5 V	5 V	5 V
Processing package description	green, plastic, SSOP-28	green, plastic, SSOP-28	green, plastic, SSOP-28
Lead-free	Yes	Yes	Yes
EU RoHS regulations	Yes	Yes	Yes
China RoHS regulations	Yes	Yes	Yes
state	ACTIVE	ACTIVE	ACTIVE
Craftsmanship	CMOS	CMOS	CMOS
packaging shape	Rectangle	Rectangle	Rectangle
Package Size	SMALL OUTLINE, SHRINK PITCH	SMALL OUTLINE, SHRINK PITCH	SMALL OUTLINE, SHRINK PITCH
surface mount	Yes	Yes	Yes
Terminal form	GULL WING	GULL WING	GULL WING
Terminal spacing	0.6500 mm	0.6500 mm	0.6500 mm
terminal coating	Nickel Palladium	Nickel Palladium	Nickel Palladium
Terminal location	pair	pair	pair
Packaging Materials	Plastic/Epoxy	Plastic/Epoxy	Plastic/Epoxy
Temperature level	other	other	other
Input format	serial	serial	serial
Type of converter	digital to analog converter	digital to analog converter	digital to analog converter
Input bit encoding	2S Supplementary Binary	2S Supplementary Binary	2S Supplementary Binary
Maximum analog output voltage	3.2 V	3.2 V	3.2 V
Minimum analog output voltage	0.0 V	0.0 V	0.0 V

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