WM8990ECS/RV Wolfson Microelectronics, WM8990ECS/RV Datasheet - Page 80
WM8990ECS/RV
Manufacturer Part Number
WM8990ECS/RV
Description
Audio CODECs Stereo CODEC w.Class AB/D speaker driver
Manufacturer
Wolfson Microelectronics
Datasheet
1.WM8990ECSRV.pdf
(172 pages)
Specifications of WM8990ECS/RV
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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LINE OUTPUT CONFIGURATIONS
The line outputs LON, LOP, RON and ROP are each driven by different output mixers as described
below.
The LOP and ROP pins output a mix of LIN12 input PGA, RIN12 input PGA and either LOMIX or
ROMIX outputs.
The LON output is a mix of ROMIX, LOMIX and a phase-inverted copy of LOP.
The RON output is a mix of LOMIX, ROMIX and a phase-inverted copy of ROP.
Volume control of LOMIX and ROMIX is available in all cases above via LOPGA and ROPGA. An
additional -6dB attenuation option is provided on LOP and ROP outputs.
The outputs LON, LOP, RON and ROP are capable of driving line loads only. Single ended output is
possible on all these output simultaneously. Differential output is also possible between LOP and
LON and between ROP and RON.
Typical applications for the line outputs (single-ended or differential) are:
•
•
•
Handset or headset microphone output to external voice CODEC
Stereo line output
Output to external speaker driver(s) to support stereo loudspeakers
PD, March 2009, Rev 4.0
Production Data
80
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