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MAX4850ETE Datasheet(PDF) 1 Page - Maxim Integrated Products

Part No. MAX4850ETE
Description  Dual SPDT Analog Switches with Over-Rail Signal Handling
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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General Description
The MAX4850/MAX4850H/MAX4852/MAX4852H family
of dual SPDT (single-pole/double-throw) switches oper-
ate from a single +2V to +5.5V supply and can handle
signals greater than the supply rail. These switches fea-
ture low 3.5
Ω or 3.5Ω/7Ω on-resistance with low on-
capacitance, making them ideal for switching audio
and data signals.
The MAX4850/MAX4850H are configured with two
SPDT switches and feature two comparators for head-
phone detection or mute/send key functions. The
MAX4852 has two SPDT switches with no comparators
for low 1µA supply current.
For over-rail applications, these devices offer either the
pass-through or high-impedance option. For the
MAX4850/MAX4852, the signal (up to 5.5V) passes
through the switch without distortion even when the posi-
tive supply rail is exceeded. For the MAX4850H/
MAX4852H, the switch input becomes high impedance
when the input signal exceeds the supply rail.
The MAX4850/MAX4850H/MAX4852/MAX4852H are
available in the space-saving (3mm x 3mm), 16-pin
TQFN package and operate over the extended temper-
ature range of -40°C to +85°C.
Applications
USB Switching
Audio-Signal Routing
Cellular Phones
Notebook Computers
PDAs and Other Handheld Devices
Features
o USB 2.0 Full Speed (12MB) and USB 1.1 Signal
Switching Compliant
o Switch Signals Greater than VCC
o 0.1ns Differential Skew
o 3.5Ω/7Ω On-Resistance
o 135MHz -3dB Bandwidth
o +2V to +5.5V Supply Range
o 1.8V Logic Compatible
o Low Supply Current
1µA (MAX4852)
5µA (MAX4850)
10µA (MAX4850H/MAX4852H)
o Available in a Space-Saving (3mm x 3mm),
16-Pin TQFN Package
Dual SPDT Analog Switches with
Over-Rail Signal Handling
________________________________________________________________ Maxim Integrated Products
1
Ordering Information
VCC
3
MAX4850
MAX4850H
NC1
NO1
NC2
NO2
COUT2
COM1
IN1
IN2
COM2
CIN2
VCC
3
COUT1
CIN1
MAX4852
MAX4852H
NC1
NO1
NC2
NO2
COM1
IN1
IN2
COM2
MAX4850_
MAX4852_
IN_
NO_
NC_
0
OFF
ON
1
ON
OFF
SWITCHES SHOWN FOR
LOGIC 0 INPUT
3.5
3.5
7
3.5
3.5
7
Block Diagrams/Truth Table
19-3375; Rev 0; 7/04
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
*EP = Exposed paddle.
PART
TEMP RANGE
PIN-PACKAGE
TOP
MARK
MAX4850ETE
-40°C to +85°C
16 TQFN-EP*
ABU
MAX4850HETE
-40°C to +85°C
16 TQFN-EP*
ABV
MAX4852ETE
-40°C to +85°C
16 TQFN-EP*
ABZ
MAX4852HETE
-40°C to +85°C
16 TQFN-EP*
ACA
Pin Configurations and Selector Guide appear at end of
data sheet.




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