NOTES:
* INTERNAL 400k PULL-UP RESISTOR ON EACH CMOS INPUT
** INTERNAL 5k PULL-DOWN RESISTOR ON EACH RS-232 INPUT
15
16
a
ADM206E/ADM207E/ADM208E/ADM211E/ADM213E
FEATURES
Complies with 89/336/EEC EMC Directive
ESD Protection to IEC1000-4-2 (801.2)
8 kV: Contact Discharge
15 kV: Air-Gap Discharge
15 kV: Human Body Model
Fast Transient Burst (EFT) Immunity (IEC1000-4-4)
Low EMI Emissions (EN55022)
Eliminates Costly TranZorbs*
230 kbits/s Data Rate Guaranteed
Single 5 V Power Supply
Shutdown Mode 1 W
Plug-In Upgrade for MAX2xxE
Space Saving TSSOP Package Available
The ADM2xxE is a family of robust RS-232 and V.28 interface
devices that operates from a single 5 V power supply. These products are suitable for operation in harsh electrical environments
and are compliant with the EU directive on EMC (89/336/EEC).
The level of emissions and immunity are both in compliance.
EM immunity includes ESD protection in excess of ±15 kV on all
I-O lines (1000-4-2), Fast Transient Burst protection (1000-4-4)
and Radiated Immunity (1000-4-3). EM emissions include
radiated and conducted emissions as required by Information
Technology Equipment EN55022, CISPR22.
All devices fully conform to the EIA-232E and CCITT V.28
specifications and operate at data rates up to 230 kbps.
Shutdown and Enable control pins are provided on some of the
products. Please refer to Table I.
The shutdown function on the ADM211E disables the charge
pump and all transmitters and receivers. On the ADM213E the
*TranZorb is a registered trademark of General Semiconductor Industries, Inc.
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 rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
RS-232 Line Drivers/Receivers
FUNCTIONAL BLOCK DIAGRAM
charge pump, all transmitters, and three of the five receivers are
disabled. The remaining two receivers remain active, thereby
allowing monitoring of peripheral devices. This feature allows
the device to be shut down until a peripheral device begins
communication. The active receivers can alert the processor
which can then take the ADM213E out of the shutdown mode.
Operating from a single 5 V supply, four external 0.1 µF capaci-
tors are required.
The ADM207E and ADM208E are available in 24-lead DIP,
SO, SSOP and TSSOP packages. The ADM211E and ADM213E
are available in 28-lead SO, SSOP and TSSOP packages.
All products are backward-compatible with earlier ADM2xx
products, facilitating easy upgrading of older designs.
(VCC = 5.0 V 10%, C1–C4 = 0.1 F. All specifications T
ParameterMinTypMaxUnitTest Conditions/Comments
Operating Voltage Range4.55.05.5V
VCC Power Supply Current3.513mANo Load
Shutdown Supply Current0.210µA
Input Pull-Up Current1025µAT
Input Logic Threshold Low, V
Input Logic Threshold High, V
Input Logic Threshold High, V
CMOS Output Voltage Low, V
CMOS Output Voltage High, V
INL
INH
INH
OL
OH
2.4VT
2.4VEN, EN, SHDN, SHDN
3.5VI
CMOS Output Leakage Current0.05± 10µAEN = VCC, EN = GND, 0 V ≤ R
*This is a stress rating only and functional operation of the device at these or any
other conditions above those indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended
periods of time may affect reliability.
ORDERING GUIDE
TemperaturePackagePackage
ModelRangeDescriptionOption
ADM206EAR–40°C to +85°CSOICR-24
ADM207EAN–40°C to +85°CDIPN-24
ADM207EAR–40°C to +85°CSOICR-24
ADM207EARS–40°C to +85°CSSOPRS-24
ADM207EARU–40°C to +85°CTSSOPRU-24
ADM208EAN–40°C to +85°CDIPN-24
ADM208EAR–40°C to +85°CSOICR-24
ADM208EARS–40°C to +85°CSSOPRS-24
ADM208EARU–40°C to +85°CTSSOPRU-24
ADM211EAR–40°C to +85°CSOICR-28
ADM211EARS–40°C to +85°CSSOPRS-28
ADM211EARU–40°C to +85°CTSSOPRU-28
ADM213EAR–40°C to +85°CSOICR-28
ADM213EARS–40°C to +85°CSSOPRS-28
ADM213EARU–40°C to +85°CTSSOPRU-28
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection. Although
the ADM206E/ADM207E/ADM208E/ADM211E/ADM213E features proprietary ESD protection
circuitry, permanent damage may occur on devices subjected to high-energy electrostatic discharges.
Therefore, proper ESD precautions are recommended to avoid performance degradation or loss
of functionality.
REV. C
–3–
WARNING!
ESD SENSITIVE DEVICE
ADM206E/ADM207E/ADM208E/ADM211E/ADM213E
1
T3
OUT
T1
2
OUT
T2
3
OUT
R1
4
IN
R1
5
OUT
ADM206E
T2
6
IN
TOP VIEW
(Not to Scale)
T1
7
IN
8
GND
V
9
CC
C1+
10
V+
11
C1–
12
24
T4
OUT
23
R2
IN
R2
22
OUT
21
SD
20
EN
19
T4
IN
18
T3
IN
17
R3
OUT
R3
16
IN
15
V–
C2–
14
C2+
13
T3
T1
T2
R1
OUT
OUT
OUT
R1
OUT
T2
T1
GND
V
C1+
V+
C1–
IN
IN
IN
CC
1
2
3
4
5
ADM207E
6
TOP VIEW
(Not to Scale)
7
8
9
10
11
12
24
T4
OUT
23
R2
IN
R2
22
OUT
21
T5
IN
T5
20
OUT
19
T4
IN
18
T3
IN
R3
17
OUT
R3
16
IN
V–
15
C2–
14
C2+
13
Figure 1. ADM206E DIP/SOIC/SSOP Pin Configuration
5V INPUT
V
R1
R2
R3
ADM206E
9
CC
V+
V–
0.1F
6.3V
11
15
0.1F
16V
T1
2
OUT
T2
3
OUT
RS-232
1
24
4
23
16
21
OUTPUTS
T3
OUT
T4
OUT
R1
IN
RS-232
R2
IN
INPUTS**
R3
IN
SD
TTL/CMOS
INPUTS*
TTL/CMOS
OUTPUTS
0.1F
6.3V
0.1F
16V
R1
R2
R3
T1
T2
T3
T4
OUT
OUT
OUT
EN
C1+
7
6
C1–
C2+
C2–
+5V TO +10V
VOLTAGE
DOUBLER
+10V TO –10V
VOLTAGE
INVERTER
T1
T2
T3
T4
10
12
13
14
IN
IN
18
IN
19
IN
5
22
17
20
GND
8
*INTERNAL 400k PULL-UP RESISTOR ON EACH TTL/CMOS INPUT
**INTERNAL 5k PULL-DOWN RESISTOR ON EACH RS-232 INPUT
Figure 2. ADM206E Typical Operating Circuit
0.1F
Figure 3. ADM207E Pin Configuration
R1
R2
R3
ADM207E
V
CC
11
V+
15
V–
24
20T5
23
16
CMOS
INPUTS*
CMOS
OUTPUTS
0.1F
10V
0.1F
10V
R1
R2
R3
T1
T2
T3
T4
T5
OUT
OUT
OUT
10
12
13
14
IN
IN
18
IN
19
IN
21
IN
22
17
7
6
5
C1+
C1–
C2+
C2–
+5V TO +10V
VOLTAGE
DOUBLER
+10V TO –10V
VOLTAGE
INVERTER
T1
T2
T3
T4
GND
8
*INTERNAL 400k PULL-UP RESISTOR ON EACH CMOS INPUT
**INTERNAL 5k PULL-DOWN RESISTOR ON EACH RS-232 INPUT
Figure 4. ADM207E Typical Operating Circuit
5V INPUT
9
2
3
1
4
0.1F
6.3V
0.1F
10V
T1
T2
T3
T4
T5
R1
R2
R3
OUT
OUT
OUT
OUT
OUT
IN
IN
IN
0.1F
EIA/TIA-232
OUTPUTS
EIA/TIA-232
INPUTS**
–4–
REV. C
R2
R1
T2
T1
OUT
OUT
R2
OUT
T1
OUT
R1
GND
V
C1+
C1–
IN
IN
IN
CC
V+
1
2
3
4
5
ADM208E
6
TOP VIEW
(Not to Scale)
7
8
9
10
11
12
ADM206E/ADM207E/ADM208E/ADM211E/ADM213E
1
T3
OUT
2
T1
24
T3
OUT
23
R3
IN
R3
22
OUT
21
T4
IN
20
T4
OUT
19
T3
IN
18
T2
IN
R4
17
OUT
R4
16
IN
15
V–
14
C2–
C2+
13
OUT
T2
3
OUT
4
R2
IN
OUT
T2
T1
OUT
R1
GND
V
C1+
C1–
IN
IN
IN
CC
V+
ADM211E
5
TOP VIEW
6
(Not to Scale)
7
8
9
10
11
12
13
14
R2
R1
28
T4
OUT
27
R3
IN
R3
26
OUT
SHDN
25
24
EN
R4
23
IN
22
R4
OUT
T4
21
IN
T3
20
IN
R5
19
OUT
18
R5
IN
17
V–
16
C2–
C2+
15
CMOS
INPUTS*
CMOS
OUTPUTS
Figure 5. ADM208E Pin Configuration
5V INPUT
0.1F
10V
0.1F
10V
R1
R2
R3
R4
T1
T2
T3
T4
OUT
OUT
OUT
OUT
C1+
C1–
C2+
C2–
+5V TO +10V
VOLTAGE
DOUBLER
+10V TO –10V
VOLTAGE
INVERTER
T1
T2
T4
10
12
13
14
5
IN
18
IN
19
IN
21
IN
6
4
22
17
GND
8
V
R1
R2
R3
R4
ADM208E
9
CC
V+
11
V–
15
2
1
24T3
20
7
3
23
16
0.1F
6.3V
0.1F
10V
T1
T2
T3
T4
R1
R2
R3
R4
OUT
OUT
OUT
OUT
IN
IN
IN
IN
0.1F
EIA/TIA-232
OUTPUTS
EIA/TIA-232
INPUTS**
CMOS
INPUTS*
TTL/CMOS
OUTPUTS
Figure 7. ADM211E Pin Configuration
5V INPUT
0.1F
10V
0.1F
10V
R1
R2
R3
R4
R5
T1
T2
T3
T4
OUT
OUT
OUT
OUT
OUT
EN
C1+
7
6
C1–
C2+
C2–
+5V TO +10V
VOLTAGE
DOUBLER
+10V TO –10V
VOLTAGE
INVERTER
T1
T2
T3
T4
12
14
15
16
IN
IN
20
IN
21
IN
8
5
26
22
19
24
GND
10
V
R1
R2
R3
R4
R5
ADM211E
11
CC
V+
13
V–
17
T1
2
T2
3
1
T3
T4
28
R1
9
R2
4
R3
27
R4
23
R5
18
SHDN
25
0.1F
6.3V
0.1F
10V
OUT
OUT
OUT
OUT
IN
IN
IN
IN
IN
0.1F
EIA/TIA-232
OUTPUTS
EIA/TIA-232
INPUTS**
*INTERNAL 400k PULL-UP RESISTOR ON EACH CMOS INPUT
**INTERNAL 5k PULL-DOWN RESISTOR ON EACH RS-232 INPUT
Figure 6. ADM208E Typical Operating Circuit
REV. C
–5–
*INTERNAL 400k PULL-UP RESISTOR ON EACH CMOS INPUT
**INTERNAL 5k PULL-DOWN RESISTOR ON EACH RS-232 INPUT
Figure 8. ADM211E Typical Operating Circuit
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