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PI3A3159ZCEX Schematic ( PDF Datasheet ) - Pericom Semiconductor Corporation

Teilenummer PI3A3159ZCEX
Beschreibung 3.0V/ SOTiny 0.4 SPDT Analog Switch
Hersteller Pericom Semiconductor Corporation
Logo Pericom Semiconductor Corporation Logo 




Gesamt 8 Seiten
PI3A3159ZCEX Datasheet, Funktion
PI3A3159
3.0V, SOTiny0.4Ω
SPDT Analog Switch
Features
• CMOS Technology for Bus and Analog Applications
• Low ON-Resistance: 0.4Ω (+2.7V Supply)
• Wide VCC Range: +1.5V to +3.6V
• Low Power Consumption : 5µW
• Rail-to-Rail switching throughout Signal Range
• Fast Switching Speed: 20ns max. at 3.3V
• High Off Isolation: –27dB at 100 KHz
• –41dB (100KHz) Crosstalk Rejection Reduces
Signal Distortion
• Extended Industrial Temperature Range: –40°C to 85°C
• Packaging (Pb-free & Green available):
– 6-pin Small Compact SOT-23 (T)
– 6-pin Ultra Compact (ZC)
Applications
• Cell Phones
• PDAs
• Portable Instrumentation
• Battery Powered Communications
• Computer Peripherals
Description
The PI3A3159 is a, 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
range, +1.5V to +3.6V, the PI3A3159 has an On-Resistance of
0.4Ω at 3.0V.
Control input, IN, tolerates input drive signals up to 3.3V, inde-
pendent of supply voltage.
PI3A3159 is a lower voltage and On-Resistance replacement for
the PI5A3159.
Connection Diagram
NO 1
GND 2
6 IN
5 VCC
Pin Description
Pin Number Name
1 NO
2 GND
3 NC
4 COM
5 VCC
6 IN
Description
Data Port (Normally Open)
Ground
Data Port (Normally Closed)
Common Output/Data Port
Positive Power Supply
Logic Control
NC 3
4 COM
Logic Function Table
Logic Input
0
1
Function
NC Connected to COM
NO Connected to COM
1
PS8710A
06/27/04






PI3A3159ZCEX Datasheet, Funktion
PI3A3159
3.0V, SOTiny0.4Ω
SPDT Analog Switch
Test Circuits/Timing Diagrams
VCOM
Logic
Input
VCC
VCC
NC
NO
RL
VNO
CL
RL
5035pF 50
GND
VOUT
CL
35pF
CL INCLUDES FIXTURE AND STRAY CAPACITANCE
( )VOUT = VNO
RL
RL + RON
Logic VINH
Input
VINL
50%
ttrf
<20ns
<20ns
tOFF
Switch
Output 0V
VOUT 90%
tON
90%
LOGIC INPUT WAVEFORMS INVERTED FOR
SWITCHES THAT HAVE OPPOSITE LOGIC
* 1.5V FOR 3.3V SUPPLY
Figure 1. Switching Time
VGEN
Logic
Input
VCC
.1µF
NO or
NC
VCC
COM
IN
GND
VOUT
CL
1nF
VOUT
IN OFF
IN OFF
Figure 2. Charge Injection
ON
ON
Q = (VOUT)(CL)
VOUT
OFF
OFF
50
Analyzer
50
+3.3V
10nF
COM1
VCC
NC or
NO
IN
GND
0V to 2.4V
or
0V to 2V
Figure 3. Off Isolation
Signal
Generator
0dBm
Analyzer
50
VCC
10nF
NC VCC
COM
NO
IN
GND
50
Figure 4. Crosstalk
6
PS8710A
06/27/04

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