LTC3157
P-1
General Description
The LTC3157 is an advanced CMOS analog switch fabricated with silicon gate CMOS technology. It
achieves very low propagation delay while maintaining CMOS low power dissipation. Analog and
digital voltages that may vary across the full power−supply range (from VCC to GND).
The Select pin has over voltage protection that allows voltages above VCC, up to 7.0 V to be present
on the pin without damage or disruption of operation of the part, regardless of the operating
voltage.
Features
Low power dissipation: 1uA
High bandwidth: 350MHz
Standard CMOS logic levels
High speed with improved linearity
Switches Standard NTSC/PAL Video, Audio, SPDIF and HDTV
Suitable for Clock Switching, Data Mux’ing, etc.
Low RDS(ON)
Break Before Make Circuitry, Prevents Inadvertent Shorts
Operating temperature -55℃~ +125℃
Available packages: SC70-6, DFN-6
Pin Configuration
B1 1
6 Select
1
GND 2
0
1
3157
5 VCC
B0 2
4 A
B0 3
A
6 VCC
5 B1
4 Select
GND 3
TOP VIEW
Order Information
Model
LTC3157
Package
Ordering Number
MARKING
SC70-6
LTC3157XC6
3157
DFN-6
LTC3157XF6
3157
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
Linearin and designs are registered trademarks of Linearin Technology Corporation.
© Copyright Linearin Technology Corporation. All Rights Reserved.
All other trademarks mentioned are the property of their respective owners.
FN1620-21.1 — Data Sheet
2:1 Multiplexer
LTC3157
P-2
Pin Function
Pin
I/O
Pin Function
A,B0,B1
I/O
Data port
Select
I
Controlling choice
VCC
-
Power supply port
GND
-
Ground
Functions Description
Select input port
Pin Function
L
B0 Connected to A
H
B1 Connected to A
Absolute Maximum Ratings
Characteristic
Symbol
Supply Voltage
DC Switch Voltage (Note 1)
DC Input Voltage (Note 1)
DC Input Diode Current @VIN
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