CS35L00_11 Datasheet, PDF (34/34 Pages) Cirrus Logic – 2.8 W Mono Class-D Audio Amplifier with Low Idle Current

CS35L00
A2
– Updated Shutdown Supply Current specification (I_A(SD)) in “Electrical Characteristics - All Operational
Modes” on page 9.
– Added “MOSFET On Resistance” test conditions (I_bias = 0.5 A) in “Electrical Characteristics - All
Operational Modes” on page 9.
– Section 5.1.1.1 SD Mode updated to remove references to edge rate control.
– Section 5.1.2.1 HD Mode updated to include f_sw1 switching frequency and clarify the conditions under
which radiated emissions gains occur.
– Added Section 6. Typical Performance Plots.
– Added Section 5.4 Power-Up and Power-Down.
– Modified “Input Level Threshold for HD/FHD Modes” to be split up into “Input Level for Entering LDO
Operation in HD/FHD Modes” and “Input Level for Entering VBATT Operation in HD/FHD Modes” in
“Electrical Characteristics - All Operational Modes” on page 9.
– Added “LDO Entry Time Delay” specification in “Electrical Characteristics - All Operational Modes” on
page 9.
– Updated (Note 8) and added (Note 9) referring to the “Input Level Thresholds”.
– Updated Section 5.5 Over Temperature Protection functional description.
– Updated out of date specification names, symbols, and cross-references in multiple locations
throughout the document.
PP1
– Updated output power and PSRR references in the Title, Features, and General Description sections
on the Front Page.
– Updated “Output Power” (P_O), “Power Supply Rejection Ratio” (PSRR), “Common-Mode Rejection
Ratio” (CMRR), “Idle Channel Noise” (ICN_A and ICN), “Total Group Delay” (GD), “Idle Current Draw”
(I_IDLE), and “Input Voltage @ 1 % THD+N” (V_ICLIP) specifications for all modes in “Electrical
Characteristics - SD Mode” on page 10, “Electrical Characteristics - FSD Mode” on page 11, “Electrical
Characteristics - HD Mode” on page 12, and “Electrical Characteristics - FHD Mode” on page 13.
– Updated THD+N at 1W specification for FSD and FHD modes in “Electrical Characteristics - FSD Mode”
on page 11 and “Electrical Characteristics - FHD Mode” on page 13.
– Updated “Operating Efficiency” (η), “Under Voltage Lockout Threshold” (UVLO), and “LDO Entry Time
Delay” (t_LDO) specifications in “Electrical Characteristics - All Operational Modes” on page 9.
– Added Under Voltage Lockout description in (Note 11).
– Updated “THD+N vs. Output Power”, “THD+N vs. Frequency”, “Idle Current Draw vs. VBATT”, “Output
Power vs. VBATT”, “Efficiency vs. Output Power”, and “Supply Current vs. Output Power” typical
performance plots for all operational modes in Section 6. Typical Performance Plots.
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
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 informa-
tion, 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 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 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-
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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.
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