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PI3A125 Schematic ( PDF Datasheet ) - Pericom Semiconductor Corporation

Teilenummer PI3A125
Beschreibung SOTINY Low Voltage SPST Analog Switch/Bus Switch
Hersteller Pericom Semiconductor Corporation
Logo Pericom Semiconductor Corporation Logo 




Gesamt 8 Seiten
PI3A125 Datasheet, Funktion
PI3A125
1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122
SOTINYTM Low Voltage SPST
Analog Switch/Bus Switch
Features
• Low Voltage, SPST Switch
– VCC from 2.3V to 3.6V
• Low On-Resistance: 6 ohms at 3.0V
• CMOS Technology for Bus and Analog Applications
• Rail-to-Rail Signal Range
• Low Power: 30µW at 3.0V
• High Speed: 4ns
• High Off Isolation: 65dB at 1MHz
• High Bandwidth: 250MHz
• Extended Industrial Temperature Range: -40°C to 85°C
• Improved, Direct Replacement for SN74CBTLV1G125
• Packaging:
- 5-pin SC70 (C)
- 5-pin SOT-23 (T)
Applications
• Cell Phones
• Computer Peripherals
• Bus Isolation
• Servers/Routers
• Data Communications
• PDAs
• Portable Instrumentation
• Battery Powered Communications
Pin Description
Pin Number Name
1 OE
2 Port A
3 GND
4 Port B
5 VCC
Description
Enable Logic Input
Input/Output (Bidirectional)
Ground
Input/Output (Bidirectional)
Positive Power Supply
Description
The PI3A125 is a high-speed CMOS SPST switch that can be used
in analog or low-delay bus switch applications.
Specified over a wide operating power supply voltage range, 2.3V
to 3.6V, the PI3A125 has a low maximum ON resistance of 10-ohm
at 2.3V and 7 ohms at 3V. The CMOS device features rail-to-rail
signal range. The switch is turned off when the OE input is high.
Power requirements at 3V are a low 30µW.
The PI3A125 is an improved, direct replacement for the
SN74CBTLV1G125. Pericom improvements include lower resis-
tance and detailed analog switch specifications.
Connection Diagram
OE 1
PI3A125
5 VCC
A2
GND 3
4B
Logic Function Table
OE
0
1
Function
ON
OFF
1
PS8575A
06/27/04






PI3A125 Datasheet, Funktion
PI3A125
SOTINY Low Voltage SPST
Analog Switch/Bus Switch1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122
RGEN
3V
VCC
VGEN
Logic
Input
IN
GND
VOUT
CL
1nF
VOUT
IN
OFF
OFF
IN
ON
ON
Q = (VOUT)(CL)
VOUT
OFF
OFF
Figure 3. Charge Injection
Signal
Generator: 0dBm
1 MHz
Analyzer
RL 5pF
50
VCC
10nF
VCC
IN
S
GND
0V or
2.4V
Figure 4. Off Isolation
PS8575A
06/27/04
6

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