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ADM208EARS 参数 Datasheet PDF下载

ADM208EARS图片预览
型号: ADM208EARS
PDF下载: 下载PDF文件 查看货源
内容描述: EMI / EMC兼容, ±15千伏ESD保护, RS - 232线路驱动器/接收器 [EMI/EMC Compliant, +-15 kV ESD Protected, RS-232 Line Drivers/Receivers]
分类和应用: 线路驱动器或接收器驱动程序和接口接口集成电路光电二极管
文件页数/大小: 16 页 / 208 K
品牌: AD [ ANALOG DEVICES ]
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a
EMI/EMC Compliant, 15 kV ESD Protected,
RS-232 Line Drivers/Receivers
ADM206E/ADM207E/ADM208E/ADM211E/ADM213E
FUNCTIONAL BLOCK DIAGRAM
+5V INPUT
0.1 F
10V
0.1 F
10V
12
C1+ +5V TO +10V
14
C1–
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*
460 kbits/s Data Rate Guaranteed
Single +5 V Power Supply
Shutdown Mode 1 W
Plug-In Upgrade for MAX2xxE
Space Saving TSSOP Package Available
APPLICATIONS
Laptop Computers
Notebook Computers
Printers
Peripherals
Modems
GENERAL DESCRIPTION
VOLTAGE
DOUBLER
V
CC 11
V+
13
0.1 F
6.3V
0.1 F
10V
T1
OUT
T2
OUT
T3
OUT
T4
OUT
R1
IN
R2
IN
R3
IN
R4
IN
R5
IN
0.1 F
15
C2+ +10V TO –10V V–
17
16
C2–
VOLTAGE
INVERTER
T1
IN
CMOS
INPUTS*
T2
IN
T3
IN
T4
IN
R1
OUT
R2
OUT
CMOS
OUTPUTS
R3
OUT
R4
OUT
R5
OUT
EN
(ADM211E)
EN
(ADM213E)
7
6
20
21
8
5
26
22
19
24
T1
T2
T3
T4
R1
R2
R3
R4
R5
2
3
1
28
9
4
27
23
18
25
EIA/TIA-232
OUTPUTS
EIA/TIA-232
INPUTS
**
ADM211E
GND
ADM213E
10
SHDN (ADM211E)
SHDN
(ADM213E)
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 environ-
ments and are compliant with the EU directive on EMC (89/336/
EEC). The level of emissions and immunity are both in compli-
ance. 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.
NOTES:
*
INTERNAL 400k PULL-UP RESISTOR ON EACH CMOS INPUT
**
INTERNAL 5k PULL-DOWN RESISTOR ON EACH RS-232 INPUT
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 com-
munication. 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
capacitors 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.
Table I. Selection Table
Model
ADM206E
ADM207E
ADM208E
ADM211E
ADM213E
Supply Voltage
+5 V
+5 V
+5 V
+5 V
+5 V
Drivers
4
5
4
4
4
Receivers
3
3
4
5
5
ESD Protection
±
15 kV
±
15 kV
±
15 kV
±
15 kV
±
15 kV
Shutdown
Yes
No
No
Yes
Yes (SD)*
Enable
Yes
No
No
Yes
Yes (EN)
Packages
R-24
N, R, RS, RU-24
N, R, RS, RU-24
R, RS, RU-28
R, RS, RU-28
*Two receivers active.
REV. B
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.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 1998