WM8523GEDT/R Wolfson Microelectronics, WM8523GEDT/R Datasheet - Page 3

• Manufacturer Part Number: WM8523GEDT/R
• Description: DAC, STEREO, 2VRMS, 2CH, 20TSSOP
• Manufacturer: Wolfson Microelectronics

Specifications of WM8523GEDT/R

• Resolution (bits): 24bit
• Sampling Rate: 192kSPS
• Input Channel Type: Serial
• Digital Ic Case Style: TSSOP
• No. Of Pins: 20
• Operating Temperature Range: -40°C To +85°C
• Svhc: No SVHC (15-Dec-2010)
• Base: RoHS Compliant
• Data Interface: I2C, Serial, SPI
• Supply Voltage Range - Analogue: 2.97V To 3.63V
• Rohs Compliant: Yes

Pre-Production
DESCRIPTION ................................................................................................................... 1
FEATURES......................................................................................................................... 1
APPLICATIONS ................................................................................................................. 1
BLOCK DIAGRAM ............................................................................................................. 2
TABLE OF CONTENTS ..................................................................................................... 3
PIN CONFIGURATION ....................................................................................................... 4
ORDERING INFORMATION .............................................................................................. 4
PIN DESCRIPTION – 20-LEAD TSSOP ............................................................................ 5
PIN DESCRIPTION – 24-LEAD QFN ................................................................................. 6
ABSOLUTE MAXIMUM RATINGS ..................................................................................... 8
RECOMMENDED OPERATING CONDITIONS ................................................................. 8
ELECTRICAL CHARACTERISTICS .................................................................................. 9
SIGNAL TIMING REQUIREMENTS ................................................................................. 11
DEVICE DESCRIPTION ................................................................................................... 17
REGISTER MAP ............................................................................................................... 35
DIGITAL FILTER CHARACTERISTICS ........................................................................... 40
APPLICATIONS INFORMATION ..................................................................................... 43
PACKAGE DIMENSIONS – 20-LEAD TSSOP ................................................................ 48
PACKAGE DIMENSIONS – 24-LEAD QFN ..................................................................... 49
IMPORTANT NOTICE ...................................................................................................... 50
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TERMINOLOGY .......................................................................................................................... 9
POWER CONSUMPTION MEASUREMENTS .......................................................................... 10
SYSTEM CLOCK TIMING ......................................................................................................... 11
AUDIO INTERFACE TIMING – MASTER MODE ...................................................................... 11
AUDIO INTERFACE TIMING – SLAVE MODE .......................................................................... 12
CONTROL INTERFACE TIMING – I
CONTROL INTERFACE TIMING – SPI MODE ......................................................................... 14
POWER ON RESET CIRCUIT .................................................................................................. 15
INTRODUCTION ....................................................................................................................... 17
SOFTWARE CONTROL INTERFACE ....................................................................................... 17
DIGITAL AUDIO INTERFACE ................................................................................................... 21
DIGITAL AUDIO INTERFACE CONTROL ................................................................................. 24
DIGITAL AUDIO DATA SAMPLING RATES .............................................................................. 26
DAC FEATURES ....................................................................................................................... 27
HARDWARE CONTROL INTERFACE ...................................................................................... 32
POWER DOMAINS ................................................................................................................... 34
REGISTER BITS BY ADDRESS ............................................................................................... 36
DAC FILTER RESPONSES ....................................................................................................... 41
DIGITAL DE-EMPHASIS CHARACTERISTICS ......................................................................... 42
RECOMMENDED EXTERNAL COMPONENTS – 20-LEAD TSSOP ......................................... 43
RECOMMENDED PCB LAYOUT – 20-LEAD TSSOP ............................................................... 44
RECOMMENDED EXTERNAL COMPONENTS – 24-LEAD QFN ............................................. 45
RECOMMENDED PCB LAYOUT – 24-LEAD QFN .................................................................... 46
RECOMMENDED ANALOGUE LOW PASS FILTER ................................................................ 47
RELEVANT APPLICATION NOTES .......................................................................................... 47
ADDRESS ................................................................................................................................. 50
TABLE OF CONTENTS
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C MODE .......................................................................... 13
PP, Rev 3.0, July 2009
WM8523
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