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MAX3222ECDW Datasheet(PDF) 1 Page - Texas Instruments

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Part No. MAX3222ECDW
Description  3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER WITH ±15-kV ESD PROTECTION
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

MAX3222ECDW Datasheet(HTML) 1 Page - Texas Instruments

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(TOP VIEW)
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EN
C1+
V+
C1−
C2+
C2−
V−
DOUT2
RIN2
ROUT2
PWRDOWN
VCC
GND
DOUT1
RIN1
ROUT1
NC
DIN1
DIN2
NC
NC − No internal connection
MAX3222E
www.ti.com.......................................................................................................................................... SLLS708A – JANUARY 2006 – REVISED SEPTEMBER 2009
3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER
WITH ±15-kV ESD PROTECTION
Check for Samples: MAX3222E
The device meets the requirements of TIA/EIA-232-F
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FEATURES
and provides the electrical interface between an
ESD Protection for RS-232 Bus Pins
asynchronous
communication
controller
and
the
±15-kV Human-Body Model (HBM)
serial-port connector. The charge pump and four
small external capacitors allow operation from a
±8-kV IEC61000-4-2, Contact Discharge
single 3-V to 5.5-V supply. The device operates at
±15-kV IEC61000-4-2, Air-Gap Discharge
typical data signaling rates up to 500 kbit/s and a
Meets or Exceeds the Requirements of
maximum of 30-V/
μs driver output slew rate.
TIA/EIA-232-F and ITU v.28 Standards
Operates With 3-V to 5.5-V VCC Supply
Operates up to 500 kbit/s
Two Drivers and Two Receivers
Low Standby Current . . . 1
μA Typ
External Capacitors . . . 4 × 0.1
μF
Accepts 5-V Logic Input With 3.3-V Supply
Alternative High-Speed Pin-Compatible Device
(1 Mbit/s) for SNx5C3222E
APPLICATIONS
Battery-Powered Systems
PDAs
Notebooks
Laptops
Palmtop PCs
Hand-Held Equipment
DESCRIPTION/ORDERING INFORMATION
The MAX3222E consists of two line drivers, two line
receivers, and a dual charge-pump circuit with ±15-kV
ESD protection pin to pin (serial-port connection pins,
including GND).
The MAX3222E can be placed in the power-down mode by setting the power-down (PWRDOWN) input low,
which draws only 1
μA from the power supply. When the device is powered down, the receivers remain active
while the drivers are placed in the high-impedance state. Also, during power down, the onboard charge pump is
disabled; V+ is lowered to VCC, and V– is raised toward GND. Receiver outputs also can be placed in the
high-impedance state by setting enable (EN) high.
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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright © 2006–2009, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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