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AiT Semiconductor

A4732 Datasheet Preview

A4732 Datasheet

DPDT ANALOG SWITCH

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AiT Semiconductor Inc.
www.ait-ic.com
A4732
DPDT ANALOG SWITCH
LOW-POWER, TWO-PORT, HIGH-SPEED, USB2.0 (480Mbps)
DESCRIPTION
FEATURES
The A4732 is a Low-Power, Two-Port, High-Speed,
USB2.0 (480Mbps) double – pole double-throw
(DPDT) Analog Switch featuring an On-Resistance of
4.5 ohm at VCC=3V and a Low On Capacitance 3.7pf
Typical.
The A4732 is compatible with the requirements of
USB2.0 and the wide bandwidth needed to pass the
third harmonic, resulting in signals with minimum
edge and phase distortion. Superior channel-to
channel crosstalk also minimizes interference.
Break-before-make function for both parts eliminates
signal disruption during switching from preventing
both switches being enabled simultaneously.
The A4732 contains special circuitry on the switch I/O
pins for applications where the VCC supply is
powered-off (VCC=0), which allows the device to
withstand an over-voltage condition. This device is
designed to minimize current consumption even
when the control voltage applied to the Sel pin is
lower than the supply voltage (VCC). This feature is
especially valuable to ultra-portable applications,
such as cell phones, allowing for direct interface with
the general purpose I/Os of the baseband processor.
Other applications include switching and connector
sharing in portable cell phones, PDAs, digital
cameras, printers, and notebook computers.
The A4732 is available in TQFN10(1.8x1.4) and
MSOP10 packages.
ORDERING INFORMATION
Wide Power Supply Range: 2.3V to 5V
Low On Capacitance 3.7pf Typical
Low On Resistance 4.5Ω (typ.) at 3V VDD when
VSW=0.4V
High Bandwidth (-3db): >720MHz without CL
and >550MHz with CL=5pF
Low Power Consumption: 1uA Maximum
ESD: pass 8kV HBM test
Over voltage tolerance (OVT) on all USB ports
up to 5.25V without external components
TTL/CMOS Compatible
Break-Before-Make Switching
Operation Temperature Range: -40to 85
Available in TQFN10(1.8x1.4) and MSOP10
Packages
APPLICATION
Cell phone
PDAs
Digital camera
Notebook
LCD Monitor
TV
SET-TOP BOX
Package Type
Part Number
TQFN10
TQ10
A4732TQ10R-X
A4732TQ10VR-X
MSOP10
MS10
A4732MS10R
A4732MS10VR
X: Output Type
Note
A=A Type; B=B Type
V: Halogen free Package
R: Tape & Reel
AiT provides all RoHS products
Suffix “ V “ means Halogen free Package
REV1.2
- DEC 2011 RELEASED, APR 2013 UPDATED -
-1-




AiT Semiconductor

A4732 Datasheet Preview

A4732 Datasheet

DPDT ANALOG SWITCH

No Preview Available !

AiT Semiconductor Inc.
www.ait-ic.com
A4732
DPDT ANALOG SWITCH
LOW-POWER, TWO-PORT, HIGH-SPEED, USB2.0 (480Mbps)
PIN DESCRIPTION
Top View
Pin #
TQFN10-A TQFN10-B MSOP10
1 57
2 79
3 13
4 35
5 24
6 68
7 46
8 8 10
9 91
10 10 2
Symbol
Dp1
Dp2
Dp
GND
Dn
Dn2
Dn1
OEb
VCC
Sel
Top View
Top View
Type
Function
Input / Output
Input / Output
Input / Output
Ground
Input / Output
Input / Output
Input / Output
Input
PWR
Input
Data Port
Data Port
USD Data BUS
Ground
USD Data BUS
Data Port
Data Port
Switch enable
Power Supply
Switch select
FUNCTION TABLE
OEb
1
0
0
Sel
X
0
1
Function
Disconnect
Dp, Dn=Dp1, Dn1
Dp, Dn=Dp2, Dn2
REV1.2
- DEC 2011 RELEASED, APR 2013 UPDATED -
-2-


Part Number A4732
Description DPDT ANALOG SWITCH
Maker AiT Semiconductor
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A4732 Datasheet PDF






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