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PDF WAS4736 Data sheet ( Hoja de datos )
| Número de pieza | WAS4736 | |
| Descripción | MIC/GND Cross-point Switch | |
| Fabricantes | WillSEMI | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de WAS4736 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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WAS4736
MIC/GND Cross-point Switch for CITA and
OMTP Mobile Audio Key Application
WAS4736
http://www.sh-willsemi.com
Descriptions
The WAS4736 is an audio jack detection switch for
CITA and OMTP 4-pole accessories. The pin MIC is on
audio key side, as WAS4736' O1/O2 is plugged into
audio jack of cell phone, it will detect the locations of
ground (GND) and microphone (MIC) poles on the
audio plug and automatically routes them to the
appropriate connections.
SOT-353(SC70-5)
The MIC switch' Ron is 5 Ω (typical) while the Ground
switch has a low Ron of 0.5 Ω (typical) to minimize
voltage drop across it, preventing undesired increase
in ground reference voltage.
As VCC is power-up, WAS4736 is enabled and it
consumes ultra-low quiescent current, less than 600nA
(typical). The range of signal swing in transmission can
be rail-to-rail (0~VCC), even WAS4736 can tolerate
signal swing higher than VCC but less than VCC+3V
with very little inverse leakage into VCC supply and not
any damage of the device. The speed of signal is
recommended not more than 300KHz.
Pin configuration (Top view)
54
36*
The WAS4736 is available in SOT-353 package.
Standard product is Pb-Free and halogen-Free.
Features
Supply voltage range : 2.3 ~ 5.5V
Detects polarity of GND and MIC on 4-pole plugs
Automatically routes GND and MIC to audio jack
terminals
low RDSON for MIC Switch (5 Ω) and GND switch
(0.5 Ω)
Ultra-Low quiescent current, < 600nA (typical)
ESD Rating (MIL-STD-883J / Method 3015.8)
IO to GND
: ±8KV
Power to GND : ±8KV
123
36 = Device code
* = Month (A~Z)
Marking
Order information
Device
Package
Shipping
WAS4736B-5/TR
SOT-353 3000/Reel&Tape
Applications
Mobile Audio Key
Will Semiconductor Ltd.
1 Feb, 2015 - Rev. 1.1
1 page  
Typical Characteristics (Ta=25oC, unless otherwise noted)
WAS4736
0.50
0.45
0.40
0.35
0.30
0.25
VCC = 5.0V
0.20
2.5 3.0 3.5 4.0 4.5 5.0 5.5
Input Voltage ( V )
Quiescent Current vs. Input Voltage
500
400 VCC = 3V
ICC
300
IMIC
200
100
0
-100
-200
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
MIC Input Voltage ( V )
Input Pin Current vs. MIC Input Voltage
CTIA_USA Test (Square Wave)
CTIA_USA Test (Sine Wave)
OMTP_EUR Test (Square Wave)
OMTP_EUR Test (Sine Wave)
Will Semiconductor Ltd.
5 Feb, 2015 - Rev. 1.1
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet WAS4736.PDF ] | |
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