CS4525 datasheet(98/98 Pages) CIRRUS

98 / 98 page

DS726PP3

CS4525

15.REVISION HISTORY

Release

Changes

PP1

The following items were updated:

“Analog Input Characteristics” on page 19

“PWM Power Output Characteristics” on page 20

“XTI Switching Specifications” on page 23

“SYS_CLK Switching Specifications” on page 23

“Digital Interface Specifications” on page 25

Section 6.4.1 “Half-Bridge Output Filter” on page 59

Section 6.4.2 “Full-Bridge Output Filter (Stereo or Parallel)” on page 60

Table 21, “Power Supply Configuration and Settings,” on page 63

Section 9.19.3 “Select VD Level (SelectVD)” on page 88

PP2

Added Section 9.19.2 “Enable Over-Current Protection (EnOCProt)” on page 88

PP3

Updated the temperature range shown in the General Description on page 2, in the Recommended Oper-

ating Conditions table on page 18, and in the Ordering Information table on page 97.

Updated the description of the CLK_FREQ1 pin in Section 2. “Pin Descriptions - Hardware Mode” on

page 10.

Added reference to Note 16 to the Output Sample Rate and AUX_SCLK Frequency specifications in the

AUX Serial Audio I/O Port Switching Specifications table on page 22.

Updated Note 15 on page 23.

Added Note 16 on page 23.

Updated the Software Mode Power-Up and Power-Down sequences in sections 6.1.2.1 and 6.1.2.2.

Updated Section 6.2.1 “System Clocking” on page 54 to reflect the requirement for the CLK_FREQ1 pin to

be connected to DGND.

Updated the Hardware Mode Power-Up and Power-Down sequences in sections 6.2.2.1 and 6.2.2.2.

Updated Section 6.4.1 “Half-Bridge Output Filter” on page 59

Updated Section 6.4.2 “Full-Bridge Output Filter (Stereo or Parallel)” on page 60

Added Section 7.2 “Output Filter Layout” on page 65

Re-defined PD in terms of PRMS-OUT in the “Thermal Flag” section on page 97.

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

“Preliminary” product information describes products that are in production, but for which full characterization data is not yet available. Cirrus Logic, Inc. and its sub-

sidiaries (“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

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