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CMOS Technology for Bus and Analog Applications
Low On-Resistance: 8鈩?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: 鈥?0
掳
C to 85
掳
C
Packaging (Pb-free & Green available):
-12-contact TDFN (ZA)
Description
The PI5A3158 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 range, 1.65V to 5.5V, the PI5A3158 has a maximum
On-Resistance of 12鈩?at 1.65V, 9鈩?at 2.3V & 6鈩?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.
Connection Diagram
Applications
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Cell Phones
PDAs
Portable Instrumentation
Battery Powered Communications
Computer Peripherals
A0
1
12
VCC
0B0
2
11
1B0
Pin Description
Pin Number
8, 11
3, 6
2, 5
1, 4
9, 12
7, 10
Notes:
1. x = 0 or 1
Name
1
B
X
Description
Data port (Normally Open)
Ground
Data port (Normally Closed)
Common Output/data port
Positive Power Supple
Logic Controll
GND
3
10
S0
GND
0
B
X
A
X
V
CC
S
X
A1
4
9
VCC
0B1
5
8
1B1
Logic Function Table
Logic Input(s)
0
1
0
B
X
1
B
X
Function
Connection to A
X
Connected to A
X
GND
6
7
S1
1
PS8637B
07/26/04
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