DG2592 Datasheet, PDF (1/13 Pages) Vishay Siliconix – Audio Jack Detector with Send / End Detect

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DG2592
Vishay Siliconix
Audio Jack Detector with Send / End Detect
DESCRIPTION
The DG2592 is an audio jack detector and pop noise control
switch IC. It integrates the circuits necessary to detect the
presence of a stereo headset with a microphone and send /
end control button.
When there is no ear phone detected, the DG2592 connects
the microphone bias line to ground through the MIC pin. The
DG2592 also gives a logic high signal to the baseband
controller through the DET pin.
The DG2592 senses the DC levels at both L_Detect and
GND_Detect. When an ear phone is plugged in, the voltage
at both pins will go low. The DG2592 will indicate the
presence of the ear phone by pulling DET low and the MIC
switch will turn off.
The DG2592 is available in small miniQFN10 of
1.4 mm x 1.8 mm x 0.55 mm and ultra thin UTMQFN10 of
0.35 mm thickness.
FEATURES
• Wide operating voltage range: 1.6 V to 5.5 V
• Low quiescent current of 10 μA, max. at
V_DD = 1.8 V
• Integrated sense comparator for audio L of
1.4 V ± 5 % threshold
• 1.2 /max. MIC bias switch provides quick discharge and
clamping
• ESD Protected
- Human body model > 8 kV
- Charged device model > 2 kV
- IEC 61000-4-2 air discharge > 15 kV
- IEC 61000-4-2 contact discharge > 8 kV
• Ultra thin and compact miniQFN10 and UTDFN10
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
APPLICATIONS
• Cellular phones
• Tablet devices
• Portable media players
• Digital cameras
GPIO
GPIO
Base Band
Processor
VDD2
S/E_detect
8
R4
R3
S/E_REFVDD2 _S/E
9
10
7
DG2592DN
-
+
VDD
3
L_DET
4
GND_DET
5
Base Band
Audio Codec
MIC Line Bias
R1
MIC
Audio
Output
L
R
1.6 MΩ
1 MΩ
+
-
3.6 MΩ
1.6 MΩ
MIC
2
6
DET
R2
GND
1
MIC
GND_DET
L _DET
L
R
GND
Fig. 1 - Typical Application Circuit
S15-2797-Rev. D, 30-Nov-15
1
Document Number: 62970
For technical questions, contact: [e-mail]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000