RT9737
5V Capable Low-Voltage DPDT Analog Switch
General Description
Features
RT9737 is a 5V high quality low-voltage double-pole
double-throw (DPDT) analog switch. RT9737 supply
voltage is designed to operate from 2.5V to 5.5V.
Supply voltage can be smaller than input voltage while
Maximum Input Signal Range 0 to 5.5V
70m Turn-On Resistance
2.5V to 5.5V Supply Voltage
40A Quiescent Current
Break-Before-Make Between Channel Transition
Available in 9Ball WL-CSP Package
keeping 5V input range. With 70m turn-on resistance,
power-loss and signal distortion can be minimized.
RT9737 is ideal for switching audio signal from outputs
of audio amplifiers. The break-before-make feature
prevents signal distortion during the transferring of a
signal from one path to another for audio applications.
Applications
Smartphone
Tablet
Pin Configurations
Ordering Information
(TOP VIEW)
RT9737
Package Type
WSC : WL-CSP-9B 1.24x1.24 (BSC)
A1
B1
C1
A2
B2
A3
B3
C3
INA1
OUTA
INA2
INB1
OUTB
INB2
Note :
GND
C2
Richtek products are :
RoHS compliant and compatible with the current
requirements of IPC/JEDEC J-STD-020.
Suitable for use in SnPb or Pb-free soldering processes
WL-CSP-9B 1.24x1.24 (BSC)
Marking Information
1PW
1P : Product Code
W : Date Code
Simplified Application Circuit
RT9737
OUTA
OUTB
INA1
INB1
Audio
Amplifier 1
Audio
Connector
INA2
INB2
Audio
Amplifier 2
VDDEN
GND
C
VDDEN
SEL
SEL
Copyright © 2014 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation
DS9737-00 February 2014
www.richtek.com
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