WM8900LGEFK/RV Wolfson Microelectronics, WM8900LGEFK/RV Datasheet - Page 33

• Manufacturer Part Number: WM8900LGEFK/RV
• Description: Audio CODECs Ultra Low Power Hi-Fi CODEC
• Manufacturer: Wolfson Microelectronics

Specifications of WM8900LGEFK/RV

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Production Data
Figure 14 Line Input Configurations
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Note that when using LRINPUT2 or LRINPUT3, there is inherent feedback signal to LRINPUT1 as
shown in Figure 15.
Figure 15 Input Feedback
INPUT PGA / BOOST MIXER ENABLE
The input boost mixers are enabled by the MIXINL_ENA and MIXINR_ENA register bits, as
described in Table 10. The microphone input PGAs are enabled by the INL_ENA and INR_ENA
register bits and can be disabled independently of the boost mixer to save power. The microphone
input PGAs cannot be enabled if the associated boost mixer is not enabled.
PD, August 2008, Rev 4.0
WM8900
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