CS42L73
3. THERMAL CHARACTERISTICS
Parameter (Notes 1 and 2)
WLCSP Package
Symbol
JA
Min
Typ
43
Max
Units
°C/Watt
°C/Watt
Junction to Ambient Thermal Impedance
FBGA Package
-
-
-
-
Junction to Ambient Thermal Impedance
JA
58
Notes:
1. Test Printed Circuit Board Assembly (PCBA) constructed in accordance with JEDEC standard JESD51-9.
Two signal, two plane (2s2p) PCB utilized.
2. Test conducted with still air in accordance with JEDEC standards JESD51, JESD51-2A, and JESD51-8.
4. ORDERING INFORMATION
Temp
Range
Product
Description
Package Pb-Free
Grade
Container Order #
Tray
CS42L73-CWZ
64 Ball
WLCSP
Ultra Low Power Mobile
Audio and Telephony
CODEC
-40
to
+85 °C
Tape & Reel CS42L73-CWZR
CS42L73
YES
Commercial
Tray
CS42L73-CRZ
65 Ball
FBGA
Tape & Reel CS42L73-CRZR
Contacting Cirrus Logic Support
For all product questions and inquiries, contact a Cirrus Logic Sales Representative.
To find one nearest you, go to www.cirrus.com.
IMPORTANT NOTICE
“Advance” product information describes products that are in development and subject to development changes. Cirrus Logic, Inc. and its subsidiaries (“Cirrus”) be-
lieve 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 consent for copies to be made of the infor-
mation 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 PRODUCTS SURGICALLY IMPLANTED INTO THE BODY, AUTOMOTIVE SAFETY OR SECURITY DEVICES, LIFE SUPPORT PRODUCTS OR OTHER CRIT-
ICAL APPLICATIONS. INCLUSION OF CIRRUS PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TO BE FULLY AT THE CUSTOMER’S RISK AND CIR-
RUS 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 CUSTOM-
ER’S CUSTOMER USES OR PERMITS THE USE OF CIRRUS PRODUCTS IN CRITICAL APPLICATIONS, CUSTOMER AGREES, BY SUCH USE, TO FULLY
INDEMNIFY CIRRUS, ITS OFFICERS, DIRECTORS, EMPLOYEES, DISTRIBUTORS AND OTHER AGENTS FROM ANY AND ALL LIABILITY, INCLUDING AT-
TORNEYS’ FEES AND COSTS, THAT MAY RESULT FROM OR ARISE IN CONNECTION WITH THESE USES.
Cirrus Logic, Cirrus, and the Cirrus Logic logo designs 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.
Bluetooth is a registered trademark of the Bluetooth Special Interest Group (SIG).
7
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