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PI5A3157
SOT
INY
TM
Low Voltage SPDT Analog Switch
2:1 Mux/Demux Bus Switch
Description
Product Features
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CMOS Technology for Bus and Analog Applications
SOT
INY
Package Technology: 6-pin, SC70 Package
Low ON Resistance: 8 ohms at 3.0V
Wide V
CC
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: 聳40
擄
C to 85
擄
C
Improved Direct Replacement for NC7SB3157
Cell Phones
PDAs
Portable Instrumentation
Battery Powered Communications
Computer Peripherals
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
ON resistance of 12 ohms at 1.65V, 9 ohms at 2.3V & 6 ohms at 4.5V.
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.
Applications
Pin Description
Pin
Numbe r
1
2
3
4
5
6
Name
B1
GND
B0
A
V
CC
S
Data Port
Ground
Data Port (Normally Closed)
Common O utput/Data Port
Positive Power Supply
Logic Control
D e s cription
Connection Diagram
B
1
1
6
S
GND
2
5
V
CC
B
0
3
4
A
Logic Function Table
Logic Input (S)
0
1
Function
B
0
Connected to A
B
1
Connected to A
1
PS8552
08/10/01
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3
4
5
6
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