wm8352 Wolfson Microelectronics plc, wm8352 Datasheet - Page 4

• Manufacturer Part Number: wm8352
• Description: Wolfson Audioplus? Stereo Codec With Power Management
• Manufacturer: Wolfson Microelectronics plc

WM8352
DESCRIPTION .......................................................................................................1
FEATURES.............................................................................................................1
APPLICATIONS .....................................................................................................1
TYPICAL APPLICATIONS .....................................................................................2
BLOCK DIAGRAM .................................................................................................3
TABLE OF CONTENTS .........................................................................................4
1
2
3
4
5
6
7
8
9
10
11
12
w
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
7.10
9.1
9.2
9.3
10.1
10.2
10.3
10.4
10.5
11.1
11.2
11.3
11.4
11.5
11.6
11.7
PIN CONFIGURATION ..................................................................................9
ORDERING INFORMATION ..........................................................................9
PIN DESCRIPTION......................................................................................10
THERMAL CHARACTERISTICS .................................................................13
ABSOLUTE MAXIMUM RATINGS ..............................................................14
RECOMMENDED OPERATING CONDITIONS ...........................................15
ELECTRICAL CHARACTERISTICS............................................................16
TYPICAL POWER CONSUMPTION............................................................25
TYPICAL PERFORMANCE DATA...............................................................27
9.2.1
9.2.2
9.2.3
SIGNAL TIMING REQUIREMENTS.............................................................32
CONTROL INTERFACE ..............................................................................38
11.7.1
11.7.2
CLOCKING, TIMING AND SAMPLE RATES ..............................................45
HI-FI AUDIO CODEC......................................................................................... 16
DC-DC STEP UP CONVERTER ELECTRICAL CHARACTERISTICS............... 18
DC-DC STEP DOWN CONVERTER ELECTRICAL CHARACTERISTICS ........ 19
LDO REGULATOR ELECTRICAL CHARACTERISTICS ................................... 21
BATTERY CHARGER........................................................................................ 22
CURRENT LIMIT SWITCH ................................................................................ 22
LED DRIVERS ................................................................................................... 23
GENERAL PURPOSE INPUTS / OUTPUTS (GPIO) ......................................... 23
DIGITAL INTERFACES ..................................................................................... 24
AUDIO CODEC.................................................................................................. 27
DC-DC CONVERTERS...................................................................................... 28
LDO REGULATORS.......................................................................................... 31
AUXILIARY ADC ............................................................................................ 24
SYSTEM CLOCK TIMING .............................................................................. 32
AUDIO INTERFACE TIMING - MASTER MODE ............................................ 32
AUDIO INTERFACE TIMING - SLAVE MODE................................................ 33
AUDIO INTERFACE TIMING - TDM MODE ................................................... 34
CONTROL INTERFACE TIMING.................................................................... 35
GENERAL DESCRIPTION ............................................................................. 38
CONTROL INTERFACE MODES ................................................................... 38
2-WIRE SERIAL CONTROL MODE ............................................................... 39
3-WIRE SERIAL CONTROL MODE ............................................................... 42
4-WIRE SERIAL CONTROL MODE ............................................................... 43
REGISTER LOCKING .................................................................................... 44
SPECIAL REGISTERS ................................................................................... 44
POWER EFFICIENCY ......................................................................................................... 28
OUTPUT VOLTAGE REGULATION .................................................................................... 29
DYNAMIC OUTPUT VOLTAGE ........................................................................................... 30
CHIP ID................................................................................................................................ 44
DEVICE INFORMATION...................................................................................................... 44
TABLE OF CONTENTS
PD, June 2009, Rev 4.1
Production Data
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