MAX14778ETP+ Maxim Integrated Products, MAX14778ETP+ Datasheet
MAX14778ETP+
Manufacturer Part Number
MAX14778ETP+
Description
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX14778ETP.pdf
(15 pages)
Specifications of MAX14778ETP+
Pack_quantity
60
Comm_code
85423990
Lead_time
21
The MAX14778 dual 4:1 analog multiplexer supports
analog signals up to Q25V with a single 3.0 to 5.5V
supply. Each multiplexer has separate control inputs to
allow independent switching, making the device ideal for
multiplexing different communications signals with the
same connector pins. Extended ESD protection of Q6kV
(Human Body Model) enable direct interfacing to cables
and connectors.
The MAX14778 features a low 1.5I (max) on-resistance
and 3mI (typ) flatness to maximize signal integrity over
the entire common-mode voltage range. Each multiplex-
er can carry up to 300mA of continuous current through
the multiplexer in either direction.
The MAX14778 supports switching of full-speed USB 1.1
signals (12Mbps) and RS-485 data rates of up to 20Mbps.
The MAX14778 is available in a 20-pin (5mm x 5mm)
TQFN package and is specified over the -40NC to +85NC
extended temperature range.
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
RS-485/RS-232/USB 1.1 Multiplexing
POS Peripherals
Handheld Industrial Devices
Communication Systems
Audio/Data Multiplexing
Connector Sharing
Gaming Machines
����������������������������������������������������������������� Maxim Integrated Products 1
General Description
Dual ±25V Above- and Below-the-Rails
Applications
S ±25V Signal Range
S Single 3.0V to 5.5V Supply
S Two Independent Multiplexers
S 1.5I R
S 3mI R
S 300mA Maximum Current Through Multiplexer
S 78pF Input Capacitance
S 75MHz Large-Signal Bandwidth
S Break-Before-Make Operation
S Extended ESD Protection on A� and B� Pins
Ordering Information
For related parts and recommended products to use with this part,
refer to www.maxim-ic.com/MAX14778.related.
Q6kV Human Body Model (HBM)
4:1 Analog Multiplexer
A0
A1
A2
A3
B0
B1
B2
B3
ON
ON
(max)
Flatness (typ)
ENA
ENB
E V A L U A T I O N K I T A V A I L A B L E
CONTROL A
CONTROL B
SA0
SB0
appears at end of data sheet.
Functional Diagram
SA1
SB1
MAX14778
GENERATION
MAX14778
BIAS
V
GND
DD
19-5929; Rev 0; 6/11
Features
V
V
ACOM
BCOM
P
N
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