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PDF PI3A212 Data sheet ( Hoja de datos )
| Número de pieza | PI3A212 | |
| Descripción | Dual SPDT Analog Switch | |
| Fabricantes | Pericom Semiconductor Corporation | |
| Logotipo |  |
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PI3A212
Small Plastic Package, Dual SPDT Analog Switch
Features
• CMOS Technology for Bus and Analog Applications
• Low On-Resistance: 0.6Ω.
• Wide VCC Range: 2.7V to 4.2V ±10%
• Rail-to-Rail Signal Range
• High Off Isolation: -75dB @ 100kHz
• Crosstalk Rejection Reduces Signal Distortion:
-90dB @ 100kHz
• Break-Before-Make Switching
• Extended Industrial Temperature Range: –40°C to 85°C
• Packaging (Pb-free & Green): 10-contact TQFN (ZL10)
Description
Pericom Semiconductor's PI3A212 is a dual high-bandwidth, fast
single-pole double throw (SPDT) CMOS switch. It can be used as
an analog switch or as a low-delay bus switch. Specified over a
wide operating power supply voltage, 2.7V to 4.2V, the PI3A212
has an On-Resistance of 0.6Ω at +2.7V.
Break-before-make switching prevents both switches being en-
abled simultaneously. This eliminates signal disruption during
switching.
Functional Block Diagram
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
Pin Description
Pin # Name
5, 2 NOX
3 GND
10, 7
6, 1
NCX
COMX
9 VCC
4, 8 INX
Description
Data Port (Normally open)
Ground
Data Port (Normally closed)
Common Output / Data Port
Postive Power Supply
Logic Control
Logic Function Table
Logic Input (INX)
0
1
Function
NCX Connected to COMX
NOX Connected to COMX
Note: x = 1 or 2
06-0096
NC1
IN1
COM1
NO1
Pin Configuration (top view)
NC2
IN2
COM2
NO2
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1
PS8802E
07/06/06
1 page  
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PI3A212
Small Plastic Package, Dual SPDT Analog Switch
Test Circuits and Timing Diagrams
VN NC
or NO
LOGIC
INPUT
IN
GND
VCC
VCC
COM
VOUT
RL CL
50Ω 35pF
CL INCLUDES FIXTURE AND STRAY CAPACITANCE.
Notes:
1. Unused input (NC or NO) must be grounded.
Figure 1. AC Test Circuit
Logic VIH
Input VIL
Switch
Output 0V
Off 50% On
VOUT
90%
tON
Off
tOFF
tr < 5ns
tf < 5ns
90%
Logic Input Waveforms inverted for
Switches that have opposite logic
Figure 2. AC Waveforms
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Figure 3. Break Before Make Interval Timing
06-0096
5
PS8802E
07/06/06
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet PI3A212.PDF ] | |
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