CS42L50 Datasheet, PDF(2/48 Page) Cirrus Logic – Low Voltage, Stereo CODEC with headphone Amp

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CS42L50 Datasheet, PDF (2/48 Pages) Cirrus Logic – Low Voltage, Stereo CODEC with headphone Amp

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CS42L50

TABLE OF CONTENTS

1. CHARACTERISTICS/SPECIFICATIONS ................................................................................. 5

ANALOG INPUT CHARACTERISTICS .................................................................................... 5

ANALOG OUTPUT CHARACTERISTICS ................................................................................ 7

POWER AND THERMAL CHARACTERISTICS..................................................................... 10

DIGITAL CHARACTERISTICS ............................................................................................... 11

ABSOLUTE MAXIMUM RATINGS ......................................................................................... 11

RECOMMENDED OPERATING CONDITIONS ..................................................................... 11

SWITCHING CHARACTERISTICS ........................................................................................ 12

SWITCHING CHARACTERISTICS - CONTROL PORT......................................................... 14

2. TYPICAL CONNECTION DIAGRAM ....................................................................................... 15

3. REGISTER QUICK REFERENCE ........................................................................................... 16

4. REGISTER DESCRIPTION ..................................................................................................... 18

4.1 ADC (address 0010000) .................................................................................................. 18

4.1.1 I/O and Power Control (address 01h) .......................................................................... 18

4.1.2 20DB Gain Boost (BOOST) .......................................................................................... 18

4.1.3 Analog Input Multiplexer (AINMUX) ............................................................................... 18

4.1.4 Power Down (PDN)........................................................................................................ 18

4.1.5 Control Port Enable (CP_EN) ........................................................................................ 18

4.1.6 Interface Control (address 02h) .................................................................................... 19

4.1.7 Master Clock Divide (MCLKDIV)................................................................................... 19

4.1.8 Master Clock Ratio (RATIO) ......................................................................................... 19

4.1.9 Master Mode (MASTER)............................................................................................... 19

4.1.10 Digital Interface Format (DIF) ..................................................................................... 19

4.1.11 Analog I/O Control (address 03h) ............................................................................... 20

4.1.12 Left/Right Channel Mute (MUTE)............................................................................... 20

4.1.13 Soft Ramp and Zero Cross Enable (SOFT/ZC) ......................................................... 20

4.1.14 Independent Volume Control Enable (INDVC) .......................................................... 21

4.1.15 Left Channel Volume = Right Channel Volume (L=R) ............................................... 21

4.1.16 High-Pass Filter Freeze (HPFREEZE)....................................................................... 21

4.1.17 Volume Control: Left Channel (address 04h) & Right Channel (address 05h) ............ 22

4.1.18 Left/Right Analog Gain (address 06h) ........................................................................ 22

4.1.19 Clip Detection Status (address 07h) .......................................................................... 23

4.2 DAC (Address = 0010001) ............................................................................................... 23

4.2.1 Power and Muting Control (address 01h) .................................................................... 23

4.2.2 Auto-Mute (AMUTE) ..................................................................................................... 23

4.2.3 Soft Ramp and Zero Cross Control (SZC) ..................................................................... 23

4.2.4 Power Down Headphone Amplifier (PDNHP) ................................................................ 24

Contacting Cirrus Logic Support

For a complete listing of Direct Sales, Distributor, and Sales Representative contacts, visit the Cirrus Logic web site at:

http://www.cirrus.com/corporate/contacts/sales.cfm

Purchase of I2C components of Cirrus Logic, Inc., or one of its sublicensed Associated Companies conveys a license under the Philips I2C Patent Rights to use those

components in a standard I2C system.

Preliminary product information describes products which are in production, but for which full characterization data is not yet available. Advance product information de-

scribes products which are in development and subject to development changes. Cirrus Logic, Inc. has made best efforts to ensure that the information contained in this

document is accurate and reliable. However, the information is subject to change without notice and is provided âAS ISâ 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 prod-

ucts are sold subject to the terms and conditions of sale supplied at the time of order acknowledgment, including those pertaining to warranty, patent infringement, and

limitation of liability. No responsibility is assumed by Cirrus Logic, Inc. for the use of this information, including use of this information as the basis for manufacture or sale

of any items, nor for infringements of patents or other rights of third parties. This document is the property of Cirrus Logic, Inc. and by furnishing this information, Cirrus

Logic, Inc. grants no license, express or implied under any patents, mask work rights, copyrights, trademarks, trade secrets or other intellectual property rights of Cirrus

Logic, Inc. Cirrus Logic, Inc., copyright owner of the information contained herein, gives consent for copies to be made of the information only for use within your organization

with respect to Cirrus Logic integrated circuits or other parts of Cirrus Logic, Inc. The same consent is given for similar information contained on any Cirrus Logic website

or disk. 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.

The names of products of Cirrus Logic, Inc. or other vendors and suppliers appearing in this document may be trademarks or service marks of their respective owners which

may be registered in some jurisdictions. A list of Cirrus Logic, Inc. trademarks and service marks can be found at http://www.cirrus.com.

DS544PP1

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