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參數資料
| 型號： | ADM3222 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | RS-232 |
| 英文描述： | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| 中文描述： | 5V的高速RS - 232收發器與0.1uF電容 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 153K |
| 代理商： | ADM3222 |
REV. A
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.
a
ADM3202/ADM3222/ADM1385
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., 2000
Low Power, +3.3 V, RS-232
Line Drivers/Receivers
FUNCTIONAL BLOCK DIAGRAMS
FEATURES
460 kbps Data Rate
Specified at +3.3 V
Meets EIA-232E Specifications
0.1 F Charge Pump Capacitors
Low Power Shutdown (ADM3222E and ADM1385)
DIP, SO, SOIC, SSOP and TSSOP Package Options
Upgrade for MAX3222/32 and LTC1385
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 which operate
from a single +3.3 V power supply.
Low power consumption and a shutdown facility (ADM3222/
ADM1385) makes them ideal for battery powered portable
instruments.
The ADM3202/ADM3222/ADM1385 conforms to the EIA-
232E and CCITT V.28 specifications and operates at data rates
up to 460 kbps.
Four external 0.1
μ
F 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 cir-
cuitry. The
EN
input may 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
μ
A. 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 DIP, narrow and wide
SOIC as well as a space saving 20-lead TSSOP package. The
ADM3222 is available in 18-lead DIP, SO and in 20-lead SSOP
and TSSOP. The ADM1385 is available in a 20-lead SSOP
package, which is pin compatible with the LTC1385 CG.
+3.3V TO +6.6V
VOLTAGE
DOUBLER
C1+
C1–
C5
0.1 F
+
V
CC
V+
0.1 F
10V
+
+
C3
0.1 F
6.3V
+3.3V INPUT
+6VOLTAGE
INVERTER
C2+
C2–
+
V–
0.1 F
10V
+
C4
10V
T1
OUT
T1
IN
T2
OUT
T2
IN
EIA/TIA-232
OUTPUTS
R1
OUT
R2
OUT
R1
IN
R2
IN
EIA/TIA-232
*
CMOS
INPUTS
CMOS
OUTPUTS
ADM3202
GND
INTERNAL 5k PULL-DOWN RESISTOR
+3.3V TO +6.6V
VOLTAGE
DOUBLER
C1+
C1–
C5
+
V
CC
V+
0.1 F
10V
+
+
C3
6.3V
+3.3V INPUT
+6VOLTAGE
INVERTER
C2+
C2–
+
V–
0.1 F
10V
+
C4
0.1 F
T1
OUT
T1
IN
T2
OUT
T2
IN
EIA/TIA-232
OUTPUTS
R1
OUT
R2
OUT
R1
IN
R2
IN
EIA/TIA-232
INPUTS
*
ICMOS
CMOS
OUTPUTS
ADM3222
GND
*
INTERNAL 5k PULL-DOWN RESISTOR
ON EACH RS-232 INPUT
T1
T2
R2
R1
T1
T2
R2
R1
EN
SD
+3.3V TO +6.6V
VOLTAGE
DOUBLER
C1+
C1–
C5
0.1 F
+
V
CC
V+
0.1 F
10V
+
C3
0.1 F
+3.3V INPUT
+6.6V TO –6.6V
VOLTAGE
INVERTER
C2+
C2–
+
V–
0.10V
+
C4
0.1 F
10V
T1
OUT
T1
IN
T2
OUT
T2
IN
EIA/TIA-232
OUTPUTS
R1
OUT
R2
OUT
R1
IN
R2
IN
EIA/TIA-232
INPUTS
*
CMOS
INPUTS
CMOS
OUTPUTS
ADM1385
GND
INTERNAL 5k PULL-DOWN RESISTOR
ON EACH RS-232 INPUT
T1
T2
R2
R1
DD
SD
+
相關PDF資料 |
PDF描述 |
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| ADM3222AN | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| ADM3222ARS | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| ADM3222ARU | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| ADM1485 | +-5 V Low Power EIA RS-485 Transceiver |
| ADM1485AN | RES 680K OHM 1/4W 1% 1206 SMD |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ADM3222AN | 功能描述:IC TXRX RS232 3.3V W/SD 18DIP RoHS:否 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發器 系列:- 標準包裝:121 系列:- 類型:收發器 驅動器/接收器數:1/1 規程:RS422，RS485 電源電壓:3 V ~ 3.6 V 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應商設備封裝:10-DFN（3x3） 包裝:管件 |
| ADM3222ANZ | 功能描述:IC TXRX RS232 3.3V W/SD 18-DIP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發器 系列:- 產品培訓模塊:RS-232 & USB Transceiver 標準包裝:2,000 系列:- 類型:收發器 驅動器/接收器數:1/1 規程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:16-SSOP 包裝:帶卷 (TR) 其它名稱:296-19849-2 |
| ADM3222ARS | 功能描述:IC TX/RX RS-232 3.3V W/SD 20SSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發器 系列:- 標準包裝:121 系列:- 類型:收發器 驅動器/接收器數:1/1 規程:RS422，RS485 電源電壓:3 V ~ 3.6 V 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應商設備封裝:10-DFN（3x3） 包裝:管件 |
| ADM3222ARS-REEL | 功能描述:IC TXRX RS232 3.3V W/SD 20SSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發器 系列:- 標準包裝:121 系列:- 類型:收發器 驅動器/接收器數:1/1 規程:RS422，RS485 電源電壓:3 V ~ 3.6 V 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應商設備封裝:10-DFN（3x3） 包裝:管件 |
| ADM3222ARS-REEL7 | 功能描述:IC TXRX RS232 3.3V W/SD 20SSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發器 系列:- 標準包裝:121 系列:- 類型:收發器 驅動器/接收器數:1/1 規程:RS422，RS485 電源電壓:3 V ~ 3.6 V 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應商設備封裝:10-DFN（3x3） 包裝:管件 |
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