Owner's manual
DS782F2 39
CS4349
13 ORDERING INFORMATION
14 REVISION HISTORY
Product Description Package
Pb-Free
Grade Temp Range Container
Order#
CS4349
192 kHz Stereo DAC
with 1 Vrms Single
Ended Output
24-TSSOP YES
Commercial -40° to +85°C
Rail CS4349-CZZ
Tape and Reel CS4349-CZZR
Automotive -40° to +105°C
Rail CS4349-DZZ
Tape and Reel CS4349-DZZR
CDB4349 Evaluation Board for CS4349 - - - - CDB4349
Release Changes
F1
• Updated “DAC Analog Characteristics - Commercial (-CZZ)” on page 9.
• Updated “DAC Analog Characteristics - Automotive (-DZZ)” on page 10.
• Added Figure 3, Figure 4, and Figure 5 on page 11.
• Updated “Switching Specifications - Serial Audio Interface” on page 13.
• Updated “Digital Characteristics” on page 16.
F2
• Removed erroneous references to RMCK throughout.
• Updated polarity of POPGUARD signal to active high throughout and changed long name to “Popguard Enable” in
pin description table in Section 1. Changed pin description to reflect that the signal must be pulled low to disable.
• Updated Total Group Delay typical values in the Combined Interpolation and On-Chip Analog Filter Response table
in Section 2.5.
• Updated POPGUARD connection in typical connection drawing in Figure 10.
• Updated Figure 15 to show numbering from 0–3 rather than 1–4.
• Added a note regarding differences in group delay for TDM slot 0 channel B to Section 4.3.1, Section 5.1,
Section 8.2.1.
• Updated timings in the recommended power-up sequences in Section 4.6.1 and Section 4.6.2.
• Updated sample periods and latency in Section 4.7.1, Power-Up.
• Updated minimum power-down time in Section 4.7.3, Discharge Time.”
• Updated description in Section 5.3 of how Popguard is selected/defeated in Stand-Alone Mode.
Contacting Cirrus Logic Support
For all product questions and inquiries, contact a Cirrus Logic Sales Representative.
To find the one nearest you, go to www.cirrus.com.
IMPORTANT NOTICE
Cirrus Logic, Inc. and its subsidiaries ("Cirrus") believe that the information contained in this document is accurate and reliable. However, the information is subject
to change without notice and is provided "AS IS" without warranty of any kind (express or implied). Customers are advised to obtain the latest version of relevant
information to verify, before placing orders, that information being relied on is current and complete. All products are sold subject to the terms and conditions of sale
supplied at the time of order acknowledgment, including those pertaining to warranty, indemnification, and limitation of liability. No responsibility is assumed by Cirrus
for the use of this information, including use of this information as the basis for manufacture or sale of any items, or for infringement of patents or other rights of third
parties. This document is the property of Cirrus and by furnishing this information, Cirrus grants no license, express or implied under any patents, mask work rights,
copyrights, trademarks, trade secrets or other intellectual property rights. Cirrus owns the copyrights associated with the information contained herein and gives con-
sent for copies to be made of the information only for use within your organization with respect to Cirrus integrated circuits or other products of Cirrus. This consent
does not extend to other copying such as copying for general distribution, advertising or promotional purposes, or for creating any work for resale.
CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF DEATH, PERSONAL INJURY, OR SEVERE PROP-
ERTY OR ENVIRONMENTAL DAMAGE (“CRITICAL APPLICATIONS”). CIRRUS PRODUCTS ARE NOT DESIGNED, AUTHORIZED OR WARRANTED FOR USE
IN AIRCRAFT SYSTEMS, MILITARY APPLICATIONS, PRODUCTS SURGICALLY IMPLANTED INTO THE BODY, AUTOMOTIVE SAFETY OR SECURITY DE-
VICES, LIFE SUPPORT PRODUCTS OR OTHER CRITICAL APPLICATIONS. INCLUSION OF CIRRUS PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD
TO BE FULLY AT THE CUSTOMER’S RISK AND CIRRUS DISCLAIMS AND MAKES NO WARRANTY, EXPRESS, STATUTORY OR IMPLIED, INCLUDING THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR PARTICULAR PURPOSE, WITH REGARD TO ANY CIRRUS PRODUCT THAT IS USED
IN SUCH A MANNER. IF THE CUSTOMER OR CUSTOMER’S CUSTOMER USES OR PERMITS THE USE OF CIRRUS PRODUCTS IN CRITICAL APPLICA-
TIONS, CUSTOMER AGREES, BY SUCH USE, TO FULLY INDEMNIFY CIRRUS, ITS OFFICERS, DIRECTORS, EMPLOYEES, DISTRIBUTORS AND OTHER
AGENTS FROM ANY AND ALL LIABILITY, INCLUDING ATTORNEYS’ FEES AND COSTS, THAT MAY RESULT FROM OR ARISE IN CONNECTION WITH
THESE USES.
Cirrus Logic, Cirrus, and the Cirrus Logic logo designs, and Popguard are trademarks of Cirrus Logic, Inc. All other brand and product names in this document may
be trademarks or service marks of their respective owners.
I²C is a trademark of Philips Semiconductor
SPI is a trademark of Motorola, Inc.