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부품번호 | WAS4736 기능 |
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기능 | MIC/GND Cross-point Switch | ||
제조업체 | WillSEMI | ||
로고 | |||
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
DC Electronics Characteristics (Ta=25oC, VCC=3.6V, unless otherwise noted)
Parameter
Symbol
Conditions
Min. Typ.
Supply quiescent current
ICC VCC is power-up
600
GND path On-Resistance
RON-GND
0.5
MIC path On-Resistance
RON-MIC
5
WAS4736
Max.
Unit
nA
Ω
Ω
AC Electronics Characteristics (Ta=25oC, VCC=3.6V, unless otherwise noted)
Parameter
Symbol
Conditions
Min. Typ.
MIC path -3dB Bandwidth
MIC Bias=1.8V
BW
MIC pull-up resistor =2K
50
(Not tested but guaranteed by design)
Max.
Unit
MHz
Capacitance (Ta=25oC unless otherwise noted)
Parameter
Symbol
Conditions
Off capacitance
COFF F=100KHz, VCC=3.3
On capacitance
CON F=100KHz, VCC=3.3
Min.
Typ.
100
140
Max.
Unit
pF
pF
Will Semiconductor Ltd.
4 Feb, 2015 - Rev. 1.1
4페이지 Package Information
SOT-353
WAS4736
Symbol
A
A1
A2
b
c
D
E
E1
e
e1
L
L1
θ
Will Semiconductor Ltd.
Dimensions In Millimeters
Min.
Max.
0.900
1.100
0.000
0.100
0.900
1.000
0.150
0.350
0.080
0.150
2.000
2.200
1.150
1.350
2.150
2.450
0.650 Typ.
1.2 1.4
0.525 Ref.
0.260
0.460
0o 8o
7 Feb, 2015 - Rev. 1.1
7페이지 | |||
구 성 | 총 7 페이지수 | ||
다운로드 | [ WAS4736.PDF 데이터시트 ] |
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DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |