WM8973LGEFL/RV Wolfson Microelectronics, WM8973LGEFL/RV Datasheet - Page 37

• Manufacturer Part Number: WM8973LGEFL/RV
• Description: Audio CODECs Stereo Codec with H/P Spkr
• Manufacturer: Wolfson Microelectronics

Specifications of WM8973LGEFL/RV

• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-32
• Minimum Operating Temperature: - 25 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Production Data
w
Table 32 Headphone Switch
Figure 11 Example Headset Detection Circuit Using Normally-Open Switch
Figure 12 Example Headset Detection Circuit Using Normally-Closed Switch
R24 (18h)
Additional
Control (2)
REGISTER
ADDRESS
6
5
BIT
HPSWEN
HPSWPOL
LABEL
0
0
DEFAULT
Headphone Switch Enable
0 : Headphone switch disabled
1 : Headphone switch enabled
Headphone Switch Polarity
0 : HPDETECT high = headphone
1 : HPDETECT high = speaker
PD Rev 4.2 September 2005
DESCRIPTION
WM8973L
37