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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Pre-Production
REGISTER MAP ................................................................................................... 53
APPLICATIONS INFORMATION ......................................................................... 71
PACKAGE DIMENSIONS .................................................................................... 77
IMPORTANT NOTICE .......................................................................................... 78
REFERENCE VOLTAGES AND MASTER BIAS .......................................................... 49
POWER MANAGEMENT ............................................................................................. 50
THERMAL SHUTDOWN .............................................................................................. 52
SOFTWARE RESET AND CHIP ID ............................................................................. 52
REGISTER BITS BY ADDRESS .................................................................................. 55
RECOMMENDED EXTERNAL COMPONENTS ........................................................... 71
PCB LAYOUT CONSIDERATIONS .............................................................................. 76
ADDRESS: ................................................................................................................... 78
DC SERVO READBACK ........................................................................................................................... 48
AUDIO INPUT PATHS ............................................................................................................................... 72
POWER SUPPLY DECOUPLING ............................................................................................................. 73
HEADPHONE OUTPUT PATH .................................................................................................................. 73
CLASS D SPEAKER CONNECTIONS ...................................................................................................... 74
CLASS D LOUDSPEAKER CONNECTION .............................................................................................. 76
PP, January 2010, Rev 3.0
WM9090
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