WM9090ECS/R Wolfson Microelectronics, WM9090ECS/R Datasheet - Page 71

• 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

w
Pre-Production
APPLICATIONS INFORMATION
RECOMMENDED EXTERNAL COMPONENTS
Figure 17 below provides a summary of recommended external components for WM9090. Note that
the diagram does not include any components that are specific to the end application e.g. they do not
include filtering on the speaker outputs (assume filterless class D operation), RF decoupling, or RF
filtering for pins which connect to the external world i.e. headphone or speaker outputs.
Figure 17 Recommended External Components
PP, January 2010, Rev 3.0
WM9090
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