DG2592
Vishay Siliconix
www.vishay.com
Audio Jack Detector with Send / End Detect
DESCRIPTION
FEATURES
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.
• Wide operating voltage range: 1.6 V to 5.5 V
• Low quiescent current of 10 μA, max. at
VDD = 1.8 V
• Integrated sense comparator for audio L of
1.4 V 5 % threshold
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.
• 1.2 /max. MIC bias switch provides quick discharge and
clamping
• ESD Protected
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.
- 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
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.
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
APPLICATIONS
• Cellular phones
• Tablet devices
• Portable media players
• Digital cameras
VDD2
GPIO
GPIO
R4
R3
Base Band
Processor
S/E_REF
VDD2
S/E
S/E_detect
8
9
10
7
-
+
DG2592DN
MIC
VDD
3
2
1.6 MΩ
1.6 MΩ
L_DET
4
GND_DET
5
1 MΩ
+
-
6
1
DET
R2
3.6 MΩ
Base Band
GND
Audio Codec
MIC Line Bias
R1
MIC
GND_DET
MIC
Audio
L_DET
L
Output
L
R
R
GND
Fig. 1 - Typical Application Circuit
1
S15-2797-Rev. D, 30-Nov-15
Document Number: 62970
For technical questions, contact: analogswitchtechsupport@vishay.com
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