WM8352GEB/V Wolfson Microelectronics, WM8352GEB/V Datasheet - Page 6

• Manufacturer Part Number: WM8352GEB/V
• Description: Audio CODECs Audio CODEC plus pwr management
• Manufacturer: Wolfson Microelectronics

Specifications of WM8352GEB/V

• Number Of Adc Inputs: 2
• Number Of Dac Outputs: 2
• Conversion Rate: 48 KSPS
• Interface Type: Serial (2-Wire, 3-Wire, 4-Wire)
• Resolution: 12 bit
• Operating Supply Voltage: 3.7 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: BGA
• Minimum Operating Temperature: - 25 C
• Number Of Channels: 2 ADC/2 DAC
• Supply Current: 260 uA
• Thd Plus Noise: - 83 dB
• Audio Codec Type: Stereo
• No. Of Adcs: 2
• No. Of Dacs: 2
• No. Of Input Channels: 8
• No. Of Output Channels: 6
• Adc / Dac Resolution: 24bit
• Adcs / Dacs Signal To Noise Ratio: 95dB
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

WM8352
14
15
16
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14.1
14.2
14.3
14.4
14.5
14.6
14.7
14.8
14.9
15.1
15.2
16.1
16.2
13.12.2
13.12.3
13.12.4
13.12.5
13.12.6
13.12.7
POWER MANAGEMENT SUBSYSTEM .................................................... 106
14.2.1
14.3.1
14.3.2
14.3.3
14.3.4
14.3.5
14.3.6
14.4.1
14.4.2
14.4.3
14.5.1
14.5.2
14.5.3
14.6.1
14.6.2
14.6.3
14.6.4
14.6.5
14.7.1
14.7.2
14.7.3
14.7.4
14.8.1
14.8.2
14.8.3
CURRENT LIMIT SWITCH ........................................................................ 144
15.2.1
15.2.2
15.2.3
CURRENT SINKS (LED DRIVERS) .......................................................... 147
16.2.1
16.2.2
16.2.3
16.2.4
16.2.5
GENERAL DESCRIPTION ........................................................................... 106
POWER MANAGEMENT OPERATING STATES ......................................... 106
POWER SEQUENCING AND CONTROL .................................................... 108
DEVELOPMENT MODE ............................................................................... 112
CUSTOM MODES ........................................................................................ 117
CONFIGURING THE DC-DC CONVERTERS .............................................. 126
CONFIGURING THE LDO REGULATORS .................................................. 135
DC-DC CONVERTER OPERATION ............................................................. 140
LDO REGULATOR OPERATION ................................................................. 143
GENERAL DESCRIPTION ........................................................................... 144
CONFIGURING THE CURRENT LIMIT SWITCH ......................................... 144
GENERAL DESCRIPTION ........................................................................... 147
CONSTANT-CURRENT SINKS .................................................................... 147
MICROPHONE DETECTION ............................................................................................. 100
MID-RAIL REFERENCE (VMID) ........................................................................................ 101
ANTI-POP CONTROL ........................................................................................................ 102
UNUSED ANALOGUE INPUTS/OUTPUTS ....................................................................... 103
ZERO CROSS TIMEOUT .................................................................................................. 105
INTERRUPTS AND FAULT PROTECTION ....................................................................... 105
HIBERNATE STATE SELECTION ..................................................................................... 107
STARTUP .......................................................................................................................... 108
POWER-UP SEQUENCING .............................................................................................. 109
SHUTDOWN ...................................................................................................................... 109
POWER CYCLING ............................................................................................................ 110
REGISTER RESET ............................................................................................................ 110
RESET SIGNALS ............................................................................................................... 111
CONTROL INTERFACE REDIRECTION ........................................................................... 112
STARTING UP IN DEVELOPMENT MODE ....................................................................... 113
CONFIGURING THE WM8352 IN DEVELOPMENT MODE .............................................. 115
CONFIGURATION MODE 01 ............................................................................................ 117
CONFIGURATION MODE 10 ............................................................................................ 120
CONFIGURATION MODE 11 ............................................................................................ 123
DC-DC CONVERTER ENABLE ......................................................................................... 126
CLOCKING ........................................................................................................................ 127
DC-DC BUCK (STEP-DOWN) CONVERTER CONTROL.................................................. 127
DC-DC BOOST (STEP-UP) CONVERTER CONTROL...................................................... 130
INTERRUPTS AND FAULT PROTECTION ....................................................................... 132
LDO REGULATOR ENABLE ............................................................................................. 135
LDO REGULATOR CONTROL .......................................................................................... 136
INTERRUPTS AND FAULT PROTECTION ....................................................................... 138
ADDITIONAL CONTROL FOR LDO1 ................................................................................ 139
OVERVIEW........................................................................................................................ 140
DC-DC STEP DOWN CONVERTERS ............................................................................... 141
DC-DC STEP UP CONVERTERS...................................................................................... 142
CURRENT LIMIT SWITCH ENABLE ................................................................................. 144
CURRENT LIMIT SWITCH BULK DETECTION CONTROL .............................................. 145
INTERRUPTS AND FAULT PROTECTION ....................................................................... 145
ENABLING THE SINK CURRENT ..................................................................................... 147
PROGRAMMING THE SINK CURRENT ............................................................................ 148
FLASH MODE .................................................................................................................... 148
ON/OFF RAMP TIMING ..................................................................................................... 150
INTERRUPTS AND FAULT PROTECTION ....................................................................... 150
PD, March 2010, Rev 4.2
Production Data
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