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ADM3222ARWZ-REEL7 PDF预览

ADM3222ARWZ-REEL7

更新时间： 2024-01-15 12:37:14
品牌 Logo 应用领域
亚德诺 - ADI 驱动器
页数 文件大小 规格书
16页 328K
描述
Low Power, 3.3 V, RS-232 Line Drivers/Receivers

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ADM3222ARWZ-REEL7 数据手册

 浏览型号ADM3222ARWZ-REEL7的Datasheet PDF文件第2页浏览型号ADM3222ARWZ-REEL7的Datasheet PDF文件第3页浏览型号ADM3222ARWZ-REEL7的Datasheet PDF文件第4页浏览型号ADM3222ARWZ-REEL7的Datasheet PDF文件第5页浏览型号ADM3222ARWZ-REEL7的Datasheet PDF文件第6页浏览型号ADM3222ARWZ-REEL7的Datasheet PDF文件第7页 
Low Power, 3.3 V, RS-232  
Line Drivers/Receivers  
ADM3202/ADM3222/ADM1385  
FEATURES  
FUNCTIONAL BLOCK DIAGRAMS  
+3.3V INPUT  
460 kbps data rate  
Specified at 3.3 V  
+3.3V TO +6.6V  
VOLTAGE  
+
C1+  
C1–  
V
CC  
+
+
0.1µF  
10V  
C3  
+
C5  
0.1µF  
V+  
Meets EIA-232E specifications  
0.1 μF charge pump capacitors  
Low power shutdown (ADM3222 and ADM1385)  
PDIP, SOIC_N, SOIC_W, SSOP, and TSSOP options  
Upgrade for MAX3222/MAX3232 and LTC1385  
ESD protection to IEC 1000-4-2 (801.2)  
on RS-232 pins (ADM3202 only)  
8 kV: contact discharge  
0.1µF  
6.3V  
DOUBLER  
+6.6V TO –6.6V  
VOLTAGE  
INVERTER  
C2+  
C2–  
V–  
0.1µF  
10V  
C4  
+
0.1µF  
10V  
T1  
T2  
T1  
T1  
IN  
OUT  
OUT  
CMOS  
EIA/TIA-232  
OUTPUTS  
INPUTS  
T2  
T2  
IN  
R1  
R1  
R1  
R2  
OUT  
OUT  
IN  
IN  
CMOS  
OUTPUTS  
EIA/TIA-232  
INPUTS*  
R2  
R2  
15 kV: air gap discharge  
ADM3202  
GND  
*INTERNAL 5kΩ PULL-DOWN RESISTOR  
ON EACH RS-232 INPUT  
APPLICATIONS  
Figure 1.  
General-purpose RS-232 data link  
Portable instruments  
Printers, palmtop computers, PDAs  
+3.3V INPUT  
+3.3V TO +6.6V  
+
C1+  
C1–  
V
CC  
+
0.1µF  
10V  
C3  
+
VOLTAGE  
DOUBLER  
C5  
0.1µF  
V+  
0.1µF  
6.3V  
+6.6V TO –6.6V  
VOLTAGE  
INVERTER  
C2+  
C2–  
V–  
+
0.1µF  
10V  
C4  
+
GENERAL DESCRIPTION  
0.1µF  
10V  
The ADM3202/ADM3222/ADM1385 transceivers are high  
speed, 2-channel RS-232/V.28 interface devices that operate  
from a single 3.3 V power supply. Low power consumption and  
a shutdown facility (ADM3222/ADM1385) make them ideal for  
battery-powered portable instruments.  
T1  
T2  
T1  
T1  
IN  
OUT  
CMOS  
EIA/TIA-232  
OUTPUTS  
INPUTS  
T2  
T2  
IN  
OUT  
R1  
R2  
R1  
R1  
R2  
OUT  
OUT  
IN  
IN  
CMOS  
OUTPUTS  
EIA/TIA-232  
INPUTS*  
R2  
The ADM3202/ADM3222/ADM1385 parts conform to the  
EIA-232E and CCITT V.28 specifications and operate at data  
rates up to 460 kbps.  
EN  
SD  
ADM3222  
GND  
*INTERNAL 5kΩ PULL-DOWN RESISTOR  
ON EACH RS-232 INPUT  
Four external 0.1 μF charge pump capacitors are used for the  
voltage doubler/inverter, permitting operation from a single  
3.3 V supply.  
Figure 2.  
+3.3V INPUT  
+3.3V TO +6.6V  
VOLTAGE  
DOUBLER  
+
C1+  
C1–  
V
CC  
+
0.1µF  
10V  
C5  
0.1µF  
The ADM3222 contains additional enable and shutdown  
+
C3  
0.1µF  
10V  
V+  
EN  
circuitry. The  
SD  
input can be used to three-state the receiver  
+6.6V TO –6.6V  
VOLTAGE  
INVERTER  
C2+  
C2–  
V–  
+
0.1µF  
10V  
C4  
+
0.1µF  
outputs. The  
input is used to power down the charge pump  
10V  
and transmitter outputs, reducing the quiescent current to less  
than 0.5 μA. The receivers remain enabled during shutdown  
T1  
T2  
T1  
T1  
IN  
OUT  
CMOS  
INPUTS  
EIA/TIA-232  
OUTPUTS  
T2  
T2  
IN  
OUT  
EN  
unless disabled using  
.
R1  
R2  
R1  
R1  
R2  
OUT  
OUT  
IN  
IN  
The ADM1385 contains a driver disable mode and a complete  
shutdown mode.  
CMOS  
OUTPUTS  
EIA/TIA-232  
INPUTS*  
R2  
DD  
SD  
The ADM3202 is available in a 16-lead PDIP, SOIC_W, and  
SOIC_N, as well as a space-saving 16-lead TSSOP. The ADM3222  
is available in 18-lead PDIP and SOIC_W and in 20-lead SSOP  
and TSSOP. The ADM1385 is available in a 20-lead SSOP,  
which is pin-compatible with the LTC1385 CG.  
ADM1385  
GND  
*INTERNAL 5kΩ PULL-DOWN RESISTOR  
ON EACH RS-232 INPUT  
Figure 3.  
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  
rights of third parties that may result from its use. Specifications subject to change without notice. No  
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.  
Trademarks and registeredtrademarks arethe property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700 www.analog.com  
Fax: 781.461.3113 ©1998–2011 Analog Devices, Inc. All rights reserved.  
 
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ADM3222ARWZ-REEL7 替代型号

型号 品牌 替代类型 描述 数据表
ADM3222ARWZ-REEL ADI

完全替代

 Low Power, 3.3 V, RS-232 Line Drivers/Receivers
ADM3202ARUZ ADI

类似代替

 Low Power, 3.3 V, RS-232 Line Drivers/Receivers
ADM3202ARNZ-REEL7 ADI

类似代替

 Low Power, 3.3 V, RS-232 Line Drivers/Receivers

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