WM9090ECS/R Wolfson Microelectronics, WM9090ECS/R Datasheet - Page 3

• Manufacturer Part Number: WM9090ECS/R
• Description: Audio CODECs Audio Subsystem w/ capless headphones
• Manufacturer: Wolfson Microelectronics

Specifications of WM9090ECS/R

• Interface Type: 2-Wire, l2C
• Thd Plus Noise: 80 dB
• Ic Function: Ultra Low Power Audio Subsystem
• Brief Features: Mono Class D Speaker Driver, Automatic Gain Control (AGC)
• Supply Voltage Range: 2.7V To 5.5V
• Operating Temperature Range: -40°C To +85°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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Production Data
REGISTER MAP ................................................................................................... 56
APPLICATIONS INFORMATION ......................................................................... 74
PACKAGE DIMENSIONS .................................................................................... 80
IMPORTANT NOTICE .......................................................................................... 81
CHARGE PUMP ........................................................................................................... 47
DC SERVO .................................................................................................................. 48
REFERENCE VOLTAGES AND MASTER BIAS .......................................................... 52
POWER MANAGEMENT ............................................................................................. 53
THERMAL SHUTDOWN .............................................................................................. 55
SOFTWARE RESET AND CHIP ID ............................................................................. 55
REGISTER BITS BY ADDRESS .................................................................................. 58
RECOMMENDED EXTERNAL COMPONENTS ........................................................... 74
PCB LAYOUT CONSIDERATIONS .............................................................................. 79
ADDRESS: ................................................................................................................... 81
DC SERVO ENABLE AND START-UP ..................................................................................................... 48
DC SERVO ACTIVE MODES .................................................................................................................... 50
DC SERVO READBACK ........................................................................................................................... 51
AUDIO INPUT PATHS ............................................................................................................................... 75
POWER SUPPLY DECOUPLING ............................................................................................................. 76
HEADPHONE OUTPUT PATH .................................................................................................................. 76
CLASS D SPEAKER CONNECTIONS ...................................................................................................... 77
CLASS D LOUDSPEAKER CONNECTION .............................................................................................. 79
PD, November 2010, Rev 4.1
WM9090
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