CS43L42

2

DS481PP2

TABLE OF CONTENTS

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

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

ANALOG CHARACTERISTICS................................................................... 6

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

POWER AND THERMAL CHARACTERISTICS ......................................... 8

DIGITAL CHARACTERISTICS.................................................................... 9

ABSOLUTE MAXIMUM RATINGS .............................................................. 9

RECOMMENDED OPERATING CONDITIONS .......................................... 9

SWITCHING CHARACTERISTICS ........................................................... 10

SWITCHING CHARACTERISTICS - CONTROL PORT - TWO-WIRE MODE12

SWITCHING CHARACTERISTICS - CONTROL PORT - SPI MODE....... 13

2. TYPICAL CONNECTION DIAGRAM .......................................................... 14

3. REGISTER QUICK REFERENCE ................................................................ 15

4. REGISTER DESCRIPTION .......................................................................... 16

4.1 Power and Muting Control (address 01h) .......................................... 16

4.1.1 Auto-mute (AMUTE) ........................................................................ 16

4.1.2 Soft Ramp AND Zero Cross CONTROL (SZC) ................................ 16

4.1.3 Popguard® Transient Control (POR)............................................... 17

4.1.4 Power Down Headphone Amplifier (PDNHP)................................... 17

4.1.5 Power Down Line Amplifier (PDNLN) ............................................... 17

4.1.6 Power Down (PDN) .......................................................................... 17

4.2 Channel A Analog Headphone Attenuation Control (address 02h) (HVOLA)18

4.3 Channel B Analog Headphone Attenuation Control (address 03h) (hVOLB)18

4.4 Channel A Digital Volume Control (address 04h) (DVOLA) ............... 18

4.5 Channel B Digital Volume Control (address 05h) (DVOLB) ............... 18

4.6 Tone Control (address 06h)................................................................ 19

4.6.1 Bass Boost Level (BB)...................................................................... 19

4.6.2 Treble Boost Level (tb) ..................................................................... 19

4.7 Mode Control (address 07h) ............................................................... 20

4.7.1 Bass Boost Corner Frequency (bbcf) ............................................... 20

4.7.2 Treble Boost Corner Frequency (TBCF)........................................... 20

4.7.3 Channel A Volume = Channel B Volume (A=B) ............................... 20

4.7.4 De-Emphasis Control (DEM) ............................................................ 21

4.7.5 Digital Volume Control Bypass (VCBYP).......................................... 21

4.8 Limiter Attack Rate (address 08h) (ARATE)....................................... 21

4.9 Limiter Release Rate (address 09h) (RRATE) ............................... 22

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/

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

mation describes 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 “AS IS” without warranty of

any kind (express or implied). No responsibility is assumed by Cirrus Logic, Inc. for the use of this information, nor for infringements of patents or other rights

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