Cirrus Logic CS42L73 - Manual (Page 137)

DS882F1 137
CS42L73
11.THERMAL CHARACTERISTICS
Notes:
1. Test printed circuit-board assembly (PCBA) constructed in accordance with JEDEC standard JESD51-9. Two-signal,
two-plane (2s2p) PCB used.
2. Test conducted with still air, in accordance with JEDEC standards JESD51, JESD51-2A, and JESD51-8.
12.ORDERING INFORMATION
13.REFERENCES
• NXP Semiconductors (founded by Philips Semiconductor), UM10204 Rev. 03, 19 June 2007, The I²C-Bus
Specification and User Manual.
http://www.nxp.com
• Japan Electronics and Information Technology Industries Association (JEITA), CP-2905B Rev. 2003.05,
Methods of Measurement for Battery Duration on Portable Audio Equipment.
http://www.jeita.or.jp/english
• Joint Electron Device Engineering Council (JEDEC), JESD51 Rev. December 1995, Methodology for the
Measurement of Component Packages (Single Semiconductor Device).
http://www.jedec.org
• Joint Electron Device Engineering Council (JEDEC), JESD51-2A Rev. January 2008, Integrated Circuits
Thermal Test Method Environmental Conditions—Natural Convection (Still Air).
http://www.jedec.org
• Joint Electron Device Engineering Council (JEDEC), JESD51-8 Rev. October 1999, Integrated Circuit Ther-
mal Test Method Environmental Conditions — Junction-to-Board.
http://www.jedec.org
• Joint Electron Device Engineering Council (JEDEC), JESD51-9 Rev. July 2000, Test Boards for Area Array
Surface Mount Package Thermal Measurements.
http://www.jedec.org
Parameter (Notes 1 and 2) Symbol Min Typ Max Units
WLCSP Package
Junction to Ambient Thermal Impedance

JA
- 43 - °C/Watt
Junction to Printed Circuit Board Thermal Impedance 
JB
- 10 - °C/Watt
FBGA Package
Junction to Ambient Thermal Impedance

JA
- 58 - °C/Watt
Junction to Printed Circuit Board Thermal Impedance 
JB
- 12 - °C/Watt
Product Description Package
Halogen
Free
Pb Free Grade
Temperature
Range
Container Order #
CS42L73
Ultralow Power Mobile
Audio and Telephony
CODEC
64 Ball
WLCSP
Yes
Yes Commercial –40 to +85 °C
Tape and
Reel
CS42L73-CWZR
65 Ball
FBGA
—
Tray CS42L73-CRZ
Tape and
Reel
CS42L73-CRZR