WM9713L_06 WOLFSON [Wolfson Microelectronics plc], WM9713L_06 Datasheet - Page 102
WM9713L_06
Manufacturer Part Number
WM9713L_06
Description
AC 97 Audio + Touchpanel CODEC
Manufacturer
WOLFSON [Wolfson Microelectronics plc]
Datasheet
1.WM9713L_06.pdf
(108 pages)
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WM9713L
COMBINED HEADSET / BTL EAR SPEAKER
COMBINED HEADSET / SINGLE-ENDED EAR SPEAKER
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In smartphone applications with a loudspeaker and separate ear speaker (receiver), a BTL ear
speaker can be connected at the OUT3 pin, as shown below.
Figure 39 Combined Headset / BTL Ear Speaker
The ear speaker and the headset play the same signal. Whenever the headset is plugged in, the
headphone outputs are enabled and OUT3 disabled. When the headset is not plugged in, OUT3 is
enabled (see “Jack Insertion and Auto-Switching”)
Instead of a BTL ear speaker, a single-ended ear speaker can also be used, as shown below.
Figure 40 Combined Headset / Single-ended Ear Speaker
PP Rev 3.0 June 2006
Pre-Production
102
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