EMI/EMC-Compliant, 15 kV ESDProtected,
RS-232 Line Drivers/Receivers
ADM206E/ADM207E/ADM208E/ADM211E/ADM213E
FEATURES CONNECTION DIAGRAM
5V INPUT
Complies with 89/336/EEC EMC directive
ESD protection to IEC 1000-4-2 (801-2)
12 C1+ +5V TO+10V V 11
+ CC +
0.1F 0.1F
VOLTAGE 0.1F
+
Contact discharge: 8 kV 10V 6.3V
14 C1 DOUBLER V+ 13
Air-gap discharge: 15 kV
15 C2+ +10V TO 10V V 17
+
0.1F
0.1F
VOLTAGE
Human body model: 15 kV
10V
10V 16 INVERTER +
C2
EFT/burst immunity (IEC 1000-4-4)
T1
Low EMI emissions (EN 55022) 7 T1 2 T1
IN OUT
Eliminates need for TransZorb suppressors
T2 T2 3 T2
IN 6
OUT
230 kbps data rate guaranteed TTL/CMOS
RS-232
1
INPUTS
OUTPUTS
Single 5 V power supply
T3 20 T3 1 T3
IN OUT
Shutdown mode 1 W
T4 T4
IN 21 T4 28
OUT
Plug-in upgrade for MAX2xxE
Space saving TSSOP package available
R1 R1
OUT 8 R1 9
IN
APPLICATIONS
R2 4
OUT 5 R2 R2
IN
Laptop computers
TTL/CMOS
RS-232
R3 R3 27
Notebook computers OUT 26 R3
IN
OUTPUTS 2
INPUTS
Printers
R4 22 R4 23
OUT R4
IN
Peripherals
Modems
R5 19 R5 18 R5
OUT
IN
GENERAL DESCRIPTION SHDN (ADM211E)
EN (ADM211E)
25
24
ADM211E/
EN (ADM213E) SHDN (ADM213E)
GND ADM213E
The ADM2xxE is a family of robust RS-232 and V.28 interface
10
devices that operate from a single 5 V power supply. These pro-
ducts are suitable for operation in harsh electrical environments
1
INTERNAL 400k PULL-UP RESISTOR ON EACH TTL/CMOS INPUT.
2
INTERNAL 5k PULL-DOWN RESISTOR ON EACH RS-232 INPUT.
and are compliant with the EU directive on electromagnetic
Figure 1.
compatibility (EMC) (89/336/EEC). The level of emissions and
charge pump, all transmitters, and three of the five receivers are
immunity are both in compliance. EM immunity includes ESD
disabled. The remaining two receivers remain active, thereby
protection in excess of 15 kV on all I/O lines (IEC 1000-4-2),
allowing monitoring of peripheral devices. This feature allows
fast transient burst protection (IEC 100044), and radiated
the device to be shut down until a peripheral device begins
immunity (IEC 1000-4-3). EM emissions include radiated and
communication. The active receivers can alert the processor,
conducted emissions as required by Information Technology
which can then take the ADM213E out of the shutdown mode.
Equipment EN 55022, CISPR 22.
Operating from a single 5 V supply, four external 0.1 F
All devices fully conform to the EIA-232-E and CCITT V.28
capacitors are required.
specifications and operate at data rates up to 230 kbps. Shut-
down and enable control pins are provided on some of the
The ADM207E and ADM208E are available in 24-lead PDIP, SSOP,
products (see Table 1).
available in 28-lead SSOP, TSSOP, and SOIC_W packages. All
products are backward compatible with earlier ADM2xx products,
The shutdown function on the ADM211E disables the charge
facilitating easy upgrading of older designs.
pump and all transmitters and receivers. On the ADM213E the
Table 1. Selection Table
Model Supply Voltage Drivers Receivers ESD Protection Shutdown Enable Packages
ADM206E 5 V 4 3 15 kV Yes Yes RW-24
ADM207E 5 V 5 3 15 kV No No N-24-1, RW-24, RS-24, RU-24
ADM208E 5 V 4 4 15 kV No No N-24-1, RW-24, RS-24, RU-24
ADM211E 5 V 4 5 15 kV Yes Yes RW-28, RS-28, RU-28
1
ADM213E 5 V 4 5 15 kV Yes (SHDN) Yes (EN) RW-28, RS-28, RU-28
1
Two receivers active.
Rev. E
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
rights of third parties that may result from its use. Specifications subject to change without notice. No
Tel: 781.329.4700 www.analog.com
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Fax: 781.461.3113 2006 Analog Devices, Inc. All rights reserved.
Trademarks and registered trademarks are the property of their respective owners.
00068-001ADM206E/ADM207E/ADM208E/ADM211E/ADM213E
TABLE OF CONTENTS
Enable and Shutdown ................................................................ 10
Features .............................................................................................. 1
High Baud Rate........................................................................... 11
Applications....................................................................................... 1
ESD/EFT Transient Protection Scheme .................................. 11
General Description ......................................................................... 1
ESD Testing (IEC 100042) ..................................................... 11
Connection Diagram ....................................................................... 1
EFT/Burst Testing (IEC 100044)........................................... 12
Revision History ............................................................................... 2
IEC 1000-4-3 Radiated Immunity ........................................... 13
Specifications..................................................................................... 3
Emissions/Interference.............................................................. 14
Absolute Maximum Ratings............................................................ 4
Conducted Emissions ................................................................ 14
ESD Caution.................................................................................. 4
Radiated Emissions .................................................................... 14
Pin Configurations and Function Descriptions ........................... 5
Outline Dimensions....................................................................... 16
Typical Performance Characteristics ............................................. 8
Ordering Guide .......................................................................... 19
Theory of Operation ...................................................................... 10
Circuit Description..................................................................... 10
REVISION HISTORY
9/06Rev. D to Rev. E 3/01Rev. B to Rev. C
Updated Format..................................................................Universal Changes to Features Section ............................................................1
Changes to Figure 1 and Table 1..................................................... 1 Changes to Specifications Table ......................................................2
Changes to Table 2............................................................................ 3 Changes to Absolute Maximum Ratings........................................3
Changes to Figure 2, Figure 3, and Figure 5.................................. 5 Changes to Figure 6 ..........................................................................5
Changes to Figure 7 and Figure 9................................................... 6 Changes to Typical Performance Characteristics Section ...... 7, 8
Changes to Table V......................................................................... 11
Changes to Figure 11........................................................................ 7
Changes to Figure 17........................................................................ 8
Updated Outline Dimensions ....................................................... 16
Changes to Ordering Guide .......................................................... 19
4/05Rev. C to Rev. D
Changes to Specifications Section.................................................. 2
Changes to Ordering Guide ............................................................ 4
Updated Outline Dimensions ......................................................... 6
Rev. E | Page 2 of 20