MAX98090BEWJ+T Maxim Integrated, MAX98090BEWJ+T Datasheet - Page 147
![no-image](/images/no-image-200.jpg)
MAX98090BEWJ+T
Manufacturer Part Number
MAX98090BEWJ+T
Description
Interface - CODECs 5V 130mW Stereo Headphone Amp
Manufacturer
Maxim Integrated
Datasheet
1.MAX98090BETL.pdf
(166 pages)
- Current page: 147 of 166
- Download datasheet (13Mb)
MAX98090
Figure 45. Jack Detection Operation with External Pullup Resistance
www.maximintegrated.com
1
3
LSNS /JKSNS =
JACK DETECTION DISABLED
HEADPHONE DETECT (INTERNAL PULLUP)
HEADPHONE
LAST STATE
JDETEN = 0
OPEN JACK
JDETEN = 1
JKSNS = 0
JDWK = X
MBEN = 1
JDWK = X
MBEN = 1
SHDN = 1
SHDN = 1
LSNS = 0
JACK
GND
2.2kΩ
2.2kΩ
RIGHT
SHORT TO GND
HI-Z
HI-Z
HI-Z
1µF
1µF
1µF
1µF
LEFT
HPL
HPR
HPSNS
HPL
HPR
HPSNS
MICBIAS
V
ANALOG
MIC INPUT
V
JACKSNS
MICBIAS
V
ANALOG
MIC INPUT
V
JACKSNS
IN+
IN-
IN+
IN-
COMPARATORS
COMPARATORS
JACK DETECT
JACK DETECT
INTERNAL
DISABLED
DISABLED
INTERNAL
DISABLED
SPKLVDD
SPKLVDD
ENABLED
PULLUP
PULLUP
Ultra-Low Power Stereo Audio Codec
2
4
JDETEN = 1
OPEN JACK
JDETEN = 1
OPEN JACK DETECT (INTERNAL PULLUP)
JKSNS = 1
HEADSET DETECT (INTERNAL PULLUP)
JKSNS = 1
JDWK = X
JDWK = X
HEADSET
MBEN = 1
SHDN = 1
LSNS = 1
MBEN = 1
SHDN = 1
LSNS = 0
JACK
MIC
GND
2.2kΩ
2.2kΩ
RIGHT
PULLUP PATH
BIAS CURRENT
HI-Z
HI-Z
1µF
1µF
1µF
1µF
LEFT
HPL
HPR
HPSNS
HPL
HPR
HPSNS
MICBIAS
V
ANALOG
MIC INPUT
V
JACKSNS
MICBIAS
V
ANALOG
MIC INPUT
V
JACKSNS
IN+
IN-
IN+
IN-
Maxim Integrated │ 147
COMPARATORS
COMPARATORS
JACK DETECT
JACK DETECT
INTERNAL
DISABLED
INTERNAL
DISABLED
SPKLVDD
ENABLED
SPKLVDD
ENABLED
PULLUP
PULLUP
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