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Número de pieza | PI5A3157 | |
Descripción | Low Voltage SPDT Analog Switch 2:1 Mux/Demux Bus Switch | |
Fabricantes | Pericom Semiconductor Corporation | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de PI5A3157 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
No Preview Available ! PI5A3157
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SOTINYTM Low Voltage SPDT Analog Switch
2:1 Mux/Demux Bus Switch
Features
• CMOS Technology for Bus and Analog Applications
• Low ON Resistance: 8-ohms at 3.0V
• Wide VCC Range: 1.65V to 5.5V
• Rail-to-Rail Signal Range
• Control Input Overvoltage Tolerance: 5.5V min.
• Fast Transition Speed: 5.2ns max. at 5V
• High Off Isolation: 57dB at 10MHz
• 54dB (10MHz) Crosstalk Rejection Reduces Signal Distortion
• Break-Before-Make Switching
• High Bandwidth: 250 MHz
• Extended Industrial Temperature Range: –40°C to 85°C
• Improved Direct Replacement for NC7SB3157
• Packaging (Pb-free & Green available):
- 6-pin TDFN (ZA)
- 6-pin SC70 (C)
Applications
• Cell Phones
• PDAs
• Portable Instrumentation
• Battery Powered Communications
• Computer Peripherals
Pin Description
Pin
Number
Name
1 B1
2 GND
3 B0
4A
5 VCC
6S
Description
Data Port
Ground
Data Port (Normally Closed)
Common Output/Data Port
Positive Power Supply
Logic Control
Description
The PI5A3157 is a 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 range, 1.65V to 5.5V, the PI5A3157 has a maximum
ONresistanceof 12-ohmsat1.65V,9-ohmsat2.3V&6-ohmsat4.5V.
Break-before-make switching prevents both switches being
enabled simultaneously. This eliminates signal disruption during
switching.
The control input, S, tolerates input drive signals up to 5.5V,
independent of supply voltage.
PI5A3157 is an improved direct replacement for the NC7SB3157.
Connection Diagram
B1 1
GND 2
B0 3
6S
5 VCC
4A
Logic Function Table
Logic Input (S)
0
1
Function
B0 Connected to A
B1 Connected to A
PS8552D
02/24/05
1
1 page PI5A3157
SOTINYTM Low Voltage SPDT Analog Switch
2:1 Mux/Demux Bus Switch1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122
Test Circuits and Timing Diagrams
From
Output
Under
Test
CL
10pF
100Ω
Notes: Input driven by 50W source terminated in 50Ω.
CL includes load and stray capacitance.
Input PRR = 1.0 MHz; tw = 500ns.
Figure 1. AC Test Circuit
tr = 2.5ns
SWITCH
INPUT
10%
OUTPUT
tr = 2.5ns
90%
90%
VCC
50%
50%
tPLH
tW
10%
tPHL
GND
VOH
tr = 2.5ns
CONTROL
INPUT
10%
OUTPUT
90%
50%
90%
50%
tPZL
50%
50%
50%
tPZH
VOL OUTPUT
50%
tr = 2.5ns
VCC
10%
tPLZ
GND
VTRI
VOL+0.3V
VOL
tPHZ
VOH
VOH –0.3V
VTRI
Figure 2. AC Waveforms
VIN
Logic
Input
B0
B1
A
A
VOUT
RL CL
Logic
Input
VOUT
0.9 x VOUT
tD
Figure 3. Break Before Make Interval Timing
PS8552D
02/24/05
5
5 Page |
Páginas | Total 8 Páginas | |
PDF Descargar | [ Datasheet PI5A3157.PDF ] |
Número de pieza | Descripción | Fabricantes |
PI5A3157 | Low Voltage SPDT Analog Switch 2:1 Mux/Demux Bus Switch | Pericom Semiconductor Corporation |
PI5A3157B | Low Voltage SPDT Analog Switch 2:1 Mux/Demux Bus Switch | Pericom Semiconductor Corporation |
PI5A3158 | SOTINYTM Low Voltage Dual SPDT Analog Switch 2:1 Mux/DeMux Bus Switch | Pericom Semiconductor Corporation |
PI5A3158B | Low Voltage Dual SPDT Analog Switch 2:1 Mux/Demux Bus Switch | Pericom Semiconductor Corporation |
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