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參數(shù)資料
| 型號： | P13A268CZMEX |
| 廠商： | PERICOM SEMICONDUCTOR CORP |
| 元件分類： | 多路復用及模擬開關 |
| 英文描述： | SGL POLE DOUBLE THROW SWITCH, QCC10 |
| 封裝： | 1.40 X 1.80 MM, GREEN, PLASTIC, MO-236, MO-248, TQFN-10 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 405K |
| 代理商： | P13A268CZMEX |
1
PS8935B
03/26/09
Features
CMOS Technology for Bus and Analog Applications
Low On-Resistance: 0.6Ω.
Wide VDD Range: 2.8 to 4.2
High Off Isolation: -80dB @ 100kHz
Crosstalk Rejection Reduces Signal Distortion:
–80dB @ 100kHz
Input signals can be from -1.5V up to VDD without
distortion.
Break-Before-Make Switching
Extended Industrial Temperature Range: –40
°C to 85°C
Packaging (Pb-free & Green):
–10-contact TQFN (ZM10) 1.4 × 1.8
Applications
Cell Phones
PDAs
MP3 players
Portable Instrumentation
Computer Peripherals
Speaker Headset Switching
Power Routing
Relay Replacement
Audio and Video Signal Routing
PCMCIA Cards
Modems
PI3A268C
Small Plastic Package, Dual SPDT Analog Switch with -1.5V Signal
Support for AC Coupled Audio Signals and D-Class Audio Signals
Description
Pericom Semiconductor's PI3A268C is a dual, fast single-pole
double throw (SPDT) CMOS switch. It can be used as an analog
switch or as a low-delay bus switch.
Break-before-make switching prevents both switches being en-
abled simultaneously. This eliminates signal disruption during
switching.
With the use of 3rd party headsets, AC coupling is required to
protect against EOS damage caused by DC offsets. Pericom’s
PI3A268C can support these AC coupled audio signals, since
the switch can tolerate signals down to -1.5V without a negative
power supply.
Functional Block Diagram
NO
2
COM
2
NC
2
IN
2
NO
1
COM
1
NC
1
IN
1
SHUNT
SWITCH
Logic Function Table
Logic Input (INX)
Function
0NCX Connected to COMX
1NOX Connected to COMX
Pin Description
Pin #
Name
Description
1, 3
NOX
Data Port (Normally open)
4
GND
Ground
2, 10
NCX
Data Port (Normally closed)
5, 8
COMX
Common Output / Data Port
9VDD
Positive Power Supply
6, 7
INX
Logic Control
Note: x = 1 or 2
Pin Conguration (top view)
1
2
345
6
7
8
9
10
NO1
NC2
IN1
IN2
COM1
VDD
NC1
COM2
GND
NO2
09-0056
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