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PA4684 Datasheet, PDF (1/9 Pages) Protek Devices – Dual SPDT Analog Switch
ANALOG PRODUCTS DIVISION
Features
 CMOS Technology for Bus and Analog Applications
 Low On-Resistance: 0.5Ω.
 Wide VCC Range: 1.65V to 5.5V
 Rail-to-Rail Signal Range
 Control Input Over voltage Tolerance: 5.5V min.
 High Off Isolation: -42dB
 Crosstalk Rejection Reduces Signal Distortion: -70dB
 Low THD (0.05% @ VCC = 2.7V)
 Break-Before-Make Switching
 Extended Industrial Temperature Range: –40°C to 85°C
PA4684
Dual SPDT Analog Switch
Description
ProTek Analog’s PA4684 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, 1.65V
to 5.5V, the PA4684 has a maximum On-Resistance of 0.5Ω
at +2.7V.
Break-before-make switching prevents both switches being
enabled simultaneously. This eliminates signal disruption
during switching.
The control input, INX, tolerates input drive signals up to
6.0V, independent of supply voltage.
Applications
 Cell Phones
 PDA’s
 MP3 players
 Portable Instrumentation
 Speaker Headset Switching
 Power Routing
 Relay Replacement
 Audio and Video Signal Routing
 PCMCIA Cards
 Modems
 USB1.1
Pin Configuration,
NC1 C1
IN1
C2
COM C3
NO1 C4
GND
B1
B4
A1
NC2
V+ 1
A2
IN2
NO1
COM1
A3
COM
IN1
NC1 5
A4
NO2
Pin Description
Pin # Pin #
DFN
CSP
2,10
A4, C4
6
B1
5,7
A1, C1
3,9
A3, C3
1
B4
4,8
A2, C2
Name
Description
NOX
GND
NCX
COMX
VCC
INX
Data Port (Normally open)
Ground
Data Port (Normally closed)
Common Output / Data Port
Positive Power Supply
Logic Control
VCC
Flip Chip
Functional Diagram
V+
IN1
Logic Function Table
NO1
Logic Input (INX)
Function
NC1
0
NCX Connected to COMX
NO2
1
NOX Connected to COMX
NC2
IN2
10 NO2
COM2
IN2
NC2
6 GND
DFN-10
COM1
COM2
Ordering Information
GND
Temp Range
Package
Part Number
-40 to +85°C
Flip Chip 10 Bump
DFN-10
PA4684-T7
PA4684DN
561 E. Elliot Road #175, Chandler, AZ 85225 Tel: (480) 539-2900. Fax: (480) 632-1715
52
www.protekanalog.com
95080 Rev2.08/09
NOT FOR USE IN LIFE SUPPORT SYSTEMS