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CS43L22-CNZR Datasheet(PDF) 3 Page - Cirrus Logic

No. de pieza CS43L22-CNZR
Descripción Electrónicos  Low Power, Stereo DAC w/Headphone & Speaker Amps
Download  68 Pages
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Fabricante Electrónico  CIRRUS [Cirrus Logic]
Página de inicio  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS43L22-CNZR Datasheet(HTML) 3 Page - Cirrus Logic

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DS792F1
3
CS43L22
Confidential Draft
10/7/08
TABLE OF CONTENTS
1. PIN DESCRIPTIONS .............................................................................................................................. 7
1.1 I/O Pin Characteristics ..................................................................................................................... 8
2. TYPICAL CONNECTION DIAGRAM ..................................................................................................... 9
3. CHARACTERISTIC AND SPECIFICATIONS ...................................................................................... 10
RECOMMENDED OPERATING CONDITIONS .................................................................................. 10
ABSOLUTE MAXIMUM RATINGS ...................................................................................................... 10
ANALOG OUTPUT CHARACTERISTICS .......................................................................................... 11
ANALOG PASSTHROUGH CHARACTERISTICS .............................................................................. 12
PWM OUTPUT CHARACTERISTICS ................................................................................................. 13
HEADPHONE OUTPUT POWER CHARACTERISTICS ..................................................................... 14
LINE OUTPUT VOLTAGE LEVEL CHARACTERISTICS .................................................................... 15
COMBINED DAC INTERPOLATION & ON-CHIP ANALOG FILTER RESPONSE ............................. 15
SWITCHING SPECIFICATIONS - SERIAL PORT .............................................................................. 17
SWITCHING SPECIFICATIONS - I²C CONTROL PORT .................................................................... 18
DC ELECTRICAL CHARACTERISTICS .............................................................................................. 19
DIGITAL INTERFACE SPECIFICATIONS & CHARACTERISTICS .................................................... 19
POWER CONSUMPTION ................................................................................................................... 20
4. APPLICATIONS ................................................................................................................................... 21
4.1 Overview ........................................................................................................................................ 21
4.1.1 Basic Architecture ................................................................................................................. 21
4.1.2 Line Inputs ............................................................................................................................. 21
4.1.3 Line & Headphone Outputs ................................................................................................... 21
4.1.4 Speaker Driver Outputs ......................................................................................................... 21
4.1.5 Fixed Function DSP Engine .................................................................................................. 21
4.1.6 Beep Generator ..................................................................................................................... 21
4.1.7 Power Management .............................................................................................................. 21
4.2 DSP Engine .................................................................................................................................. 22
4.2.1 Beep Generator ..................................................................................................................... 23
4.2.2 Limiter .................................................................................................................................... 23
4.3 Analog Passthrough ....................................................................................................................... 25
4.4 Analog Outputs .............................................................................................................................. 26
4.5 PWM Outputs ................................................................................................................................. 27
4.5.1 Mono Speaker Output Configuration ..................................................................................... 28
4.5.2 VP Battery Compensation ..................................................................................................... 28
4.5.2.1 Maintaining a Desired Output Level ........................................................................... 28
4.6 Serial Port Clocking ....................................................................................................................... 30
4.7 Digital Interface Formats ................................................................................................................ 31
4.7.1 DSP Mode ............................................................................................................................. 32
4.8 Initialization .................................................................................................................................... 32
4.9 Recommended Power-Up Sequence ............................................................................................ 32
4.10 Recommended Power-Down Sequence ...................................................................................... 32
4.11 Required Initialization Settings ..................................................................................................... 33
5. CONTROL PORT OPERATION ........................................................................................................... 34
5.0.1 I²C Control ............................................................................................................................. 34
5.0.2 Memory Address Pointer (MAP) ............................................................................................ 35
5.0.2.1 Map Increment (INCR) ............................................................................................... 35
6. REGISTER QUICK REFERENCE ........................................................................................................ 36
7. REGISTER DESCRIPTION .................................................................................................................. 38
7.1 Chip I.D. and Revision Register (Address 01h) (Read Only) ......................................................... 38
7.1.1 Chip I.D. (Read Only) ............................................................................................................ 38
7.1.2 Chip Revision (Read Only) .................................................................................................... 38
7.2 Power Control 1 (Address 02h) ...................................................................................................... 38


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