参数资料
型号: ADM3222ARWZ
厂商: Analog Devices Inc
文件页数: 1/16页
文件大小: 0K
描述: IC TXRX RS-232 3.3V W/SD 18-SOIC
标准包装: 41
类型: 收发器
驱动器/接收器数: 2/2
规程: RS232
电源电压: 3 V ~ 5.5 V
安装类型: 表面贴装
封装/外壳: 18-SOIC(0.295",7.50mm 宽)
供应商设备封装: 18-SOIC W
包装: 管件
产品目录页面: 790 (CN2011-ZH PDF)
Low Power, 3.3 V, RS-232
Line Drivers/Receivers
ADM3202/ADM3222/ADM1385
Rev. E
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
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.
FEATURES
460 kbps data rate
Specified at 3.3 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
±15 kV: air gap discharge
APPLICATIONS
General-purpose RS-232 data link
Portable instruments
Printers, palmtop computers, PDAs
GENERAL DESCRIPTION
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.
The ADM3202/ADM3222/ADM1385 parts conform to the
EIA-232E and CCITT V.28 specifications and operate at data
rates up to 460 kbps.
Four external 0.1 μF charge pump capacitors are used for the
voltage doubler/inverter, permitting operation from a single
3.3 V supply.
The ADM3222 contains additional enable and shutdown
circuitry. The EN input can be used to three-state the receiver
outputs. The SD input is used to power down the charge pump
and transmitter outputs, reducing the quiescent current to less
than 0.5 μA. The receivers remain enabled during shutdown
unless disabled using EN.
The ADM1385 contains a driver disable mode and a complete
shutdown mode.
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.
FUNCTIONAL BLOCK DIAGRAMS
C1+
C2+
C1–
C2–
VCC
V–
V+
T1IN
T1OUT
T2IN
T2OUT
R1OUT
R1IN
R2OUT
R2IN
CMOS
INPUTS
EIA/TIA-232
OUTPUTS
CMOS
OUTPUTS
EIA/TIA-232
INPUTS*
T1
T2
R1
R2
+
0.1F
10V
0.1F
10V
GND ADM3202
C3
0.1F
6.3V
+3.3V INPUT
+3.3V TO +6.6V
VOLTAGE
DOUBLER
+6.6V TO –6.6V
VOLTAGE
INVERTER
C5
0.1F
+
C4
0.1F
10V
+
*INTERNAL 5k PULL-DOWN RESISTOR
ON EACH RS-232 INPUT
00
07
1-
00
1
Figure 1.
C1+
C2+
C1–
C2–
VCC
V–
V+
T1IN
T1OUT
T2IN
T2OUT
R1OUT
R1IN
R2OUT
EN
R2IN
SD
CMOS
INPUTS
EIA/TIA-232
OUTPUTS
CMOS
OUTPUTS
EIA/TIA-232
INPUTS*
T1
T2
R1
R2
+
0.1F
10V
0.1F
10V
GND
ADM3222
C3
0.1F
6.3V
+3.3V INPUT
+3.3V TO +6.6V
VOLTAGE
DOUBLER
+6.6V TO –6.6V
VOLTAGE
INVERTER
C5
0.1F
+
C4
0.1F
10V
+
*INTERNAL 5k PULL-DOWN RESISTOR
ON EACH RS-232 INPUT
00
07
1-
00
2
Figure 2.
C1+
C2+
C1–
C2–
VCC
V–
V+
T1IN
T1OUT
T2IN
T2OUT
R1OUT
R1IN
R2OUT
DD
R2IN
SD
CMOS
INPUTS
EIA/TIA-232
OUTPUTS
CMOS
OUTPUTS
EIA/TIA-232
INPUTS*
T1
T2
R1
R2
+
0.1F
10V
0.1F
10V
GND
ADM1385
+3.3V INPUT
+3.3V TO +6.6V
VOLTAGE
DOUBLER
+6.6V TO –6.6V
VOLTAGE
INVERTER
C5
0.1F
+
*INTERNAL 5k PULL-DOWN RESISTOR
ON EACH RS-232 INPUT
00
071-
00
3
C3
0.1F
10V
C4
0.1F
10V
Figure 3.
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相关代理商/技术参数
参数描述
ADM3222ARWZ 制造商:Analog Devices 功能描述:IC INTERFACE DEVICE
ADM3222ARWZ-REEL 功能描述:IC TXRX RS-232 3.3V W/SD 18SOIC RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器,接收器,收发器 系列:- 标准包装:121 系列:- 类型:收发器 驱动器/接收器数:1/1 规程:RS422,RS485 电源电压:3 V ~ 3.6 V 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-DFN(3x3) 包装:管件
ADM3222ARWZ-REEL7 功能描述:IC TXRX RS-232 3.3V W/SD 18SOIC RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器,接收器,收发器 系列:* 产品培训模块:RS-232 & USB Transceiver 标准包装:2,000 系列:- 类型:收发器 驱动器/接收器数:1/1 规程:RS232 电源电压:3 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:16-SSOP(0.209",5.30mm 宽) 供应商设备封装:16-SSOP 包装:带卷 (TR) 其它名称:296-19849-2
ADM3232E 制造商:AD 制造商全称:Analog Devices 功能描述:+-15 kV ESD Protected, 3.3 V, RS-232 Line Driver/Receiver
ADM3232EARNZ 功能描述:IC RCVR/LINE DRVR RS232 16-SOIC RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器,接收器,收发器 系列:- 产品培训模块:RS-232 & USB Transceiver 标准包装:2,000 系列:- 类型:收发器 驱动器/接收器数:1/1 规程:RS232 电源电压:3 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:16-SSOP(0.209",5.30mm 宽) 供应商设备封装:16-SSOP 包装:带卷 (TR) 其它名称:296-19849-2