MAX3222 Line Driver/Receiver Datasheet

MAX3222 Datasheet, PDF, Equivalent


Part Number

MAX3222

Description

3-V to 5.5-V Multichannel RS-232 Line Driver/Receiver

Manufacture

etcTI

Total Page 28 Pages
Datasheet
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MAX3222
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MAX3222
SLLS408H – JANUARY 2000 – REVISED OCTOBER 2016
MAX3222 3-V to 5.5-V Multichannel RS-232 Line Driver and Receiver With ±15-kV ESD
Protection
1 Features
1 RS-232 Bus-Pin ESD Protection Exceeds ±15 kV
Using Human-Body Model (HBM)
• Meets or Exceeds the Requirements of
TIA/EIA-232-F and ITU v.28 Standards
• Operates With 3-V to 5.5-V VCC Supply
• Operates Up to 250 kbps
• Two Drivers and Two Receivers
• Low Standby Current: 1 µA Typical
• External Capacitors: 4 × 0.1 µF
• Accepts 5-V Logic Input With 3.3-V Supply
• Alternative High-Speed Pin-Compatible Device
(1 Mbps)
– SNx5C3222
2 Applications
• Battery-Powered Systems
• PDAs
• Notebooks
• Laptops
• Palmtop PCs
• Hand-held Equipment
3 Description
The MAX3222 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 device meets the requirements
of TIA/EIA-232-F and provides the electrical interface
between an asynchronous communication controller
and the serial-port connector. The charge pump and
four small external capacitors allow operation from a
single 3-V to 5.5-V supply. The device operates at
data signaling rates up to 250 kbit/s and a maximum
of 30-V/μs driver output slew rate.
The MAX3222 can be placed in the power-down
mode by setting PWRDOWN 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.
Receiver outputs also can be placed in the high-
impedance state by setting EN high.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
MAX3222CDW,
MAX322IDW
SOIC (20)
12.80 mm × 7.50 mm
MAX3222CDB,
MAX322IDB
SSOP (20)
7.20 mm × 5.30 mm
MAX3222CPW,
MAX322IPW
TSSOP (20)
6.50 mm × 4.40 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Block Diagram
13
DIN1
17
DOUT1
12
DIN2
20
PWRDOWN
EN
ROUT1
1
15
Powerdown
8
DOUT2
16
RIN1
10
ROUT2
9
RIN2
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.

MAX3222
MAX3222
SLLS408H – JANUARY 2000 – REVISED OCTOBER 2016
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 ESD Ratings.............................................................. 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 5
6.5 Electrical Characteristics: Device.............................. 5
6.6 Electrical Characteristics: Driver ............................... 5
6.7 Electrical Characteristics: Receiver .......................... 6
6.8 Switching Characteristics: Driver .............................. 6
6.9 Switching Characteristics: Receiver.......................... 6
6.10 Typical Characteristics ............................................ 7
7 Parameter Measurement Information .................. 8
8 Detailed Description ............................................ 10
8.1 Overview ................................................................. 10
8.2 Functional Block Diagram ....................................... 10
8.3 Feature Description................................................. 11
8.4 Device Functional Modes........................................ 11
9 Application and Implementation ........................ 12
9.1 Application Information............................................ 12
9.2 Typical Application ................................................. 12
10 Power Supply Recommendations ..................... 13
11 Layout................................................................... 13
11.1 Layout Guidelines ................................................. 13
11.2 Layout Example .................................................... 14
12 Device and Documentation Support ................. 15
12.1 Receiving Notification of Documentation Updates 15
12.2 Community Resources.......................................... 15
12.3 Trademarks ........................................................... 15
12.4 Electrostatic Discharge Caution ............................ 15
12.5 Glossary ................................................................ 15
13 Mechanical, Packaging, and Orderable
Information ........................................................... 15
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision G (March 2004) to Revision H
Page
• Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation
section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and
Mechanical, Packaging, and Orderable Information section. ................................................................................................. 1
• Deleted ODERING INFORMATION table; see POA at the end of the datasheet. ................................................................ 3
• Changed RθJA for DB, DW and PW package from: 70 °C/W to 84.4°C/W (DB), 58 °C/W to 70.2 °C/W (DW) and 83
°C/W to 94.3 °C/W (PW) in the Thermal Information table. ................................................................................................... 5
2 Submit Documentation Feedback
Product Folder Links: MAX3222
Copyright © 2000–2016, Texas Instruments Incorporated


Features Product Folder Sample & Buy Technical Documents Tools & Software Support & Community MAX3222 SLLS408H – JANUARY 2000 – REVISED OCTOBER 2016 MAX3222 3-V to 5.5-V Multichannel RS-232 Line D river and Receiver With ±15-kV ESD Pro tection 1 Features •1 RS-232 Bus-Pin ESD Protection Exceeds ±15 kV Using H uman-Body Model (HBM) • Meets or Exce eds the Requirements of TIA/EIA-232-F a nd ITU v.28 Standards • Operates With 3-V to 5.5-V VCC Supply • Operates U p to 250 kbps • Two Drivers and Two R eceivers • Low Standby Current: 1 µA Typical • External Capacitors: 4 × 0.1 µF • Accepts 5-V Logic Input Wit h 3.3-V Supply • Alternative High-Spe ed Pin-Compatible Device (1 Mbps) – S Nx5C3222 2 Applications • Battery-Pow ered Systems • PDAs • Notebooks • Laptops • Palmtop PCs • Hand-held Equipment 3 Description The MAX3222 co nsists of two line drivers, two line re ceivers, and a dual charge-pump circuit with ±15-kV ESD protection pin to pin (serial-port connection pins, including GND). The device meets th.
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