Datasheet > 驱动程序和接口 > 线路驱动器或接收器> ADM242ANZ

ADM242ANZ

更新时间： 2024-11-02 12:27:23

品牌	Logo	应用领域
亚德诺 - ADI		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信息通信管理
页数	文件大小	规格书
11页	183K
描述
High-Speed, 5 V, 0.1 F CMOS RS-232 Drivers/Receivers

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数据手册
替代型号

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ADM242ANZ 数据手册

High-Speed, 5 V, 0.1 ꢀF

CMOS RS-232 Drivers/Receivers

ADM222/ADM232A/ADM242

FUNCTIONAL BLOCK DIAGRAM

FEATURES

200 kB/s Transmission Rate

Small (0.1 ꢀF) Charge Pump Capacitors

Single 5 V Power Supply

5V INPUT

0.1ꢀF

Meets All EIA-232-E and V.28 Specifications

Two Drivers and Two Receivers

On-Board DC-DC Converters

ꢁ9 V Output Swing with 5 V Supply

ꢁ30 V Receiver Input Levels

0.1ꢀF

C1+

+5V TO +10V

VOLTAGE DOUBLER

0.1ꢀF

V+

V–

C1–

C2+

+5V TO –10V

VOLTAGE INVERTER

Pin Compatible with MAX222/MAX232A/MAX242

0.1ꢀF

C2–

APPLICATIONS

Computers

Peripherals

Modems

Printers

Instruments

OUT

TTL/CMOS

RS-232

OUTPUTS

INPUTS

OUT

^R^IN^S^P^-^U²³^T²^S**

TTL/CMOS

OUTPUTS

ADM2xx

(ADM242)

(ADM222, ADM242)

GENERAL DESCRIPTION

SHDN

GND

The ADM222, ADM232A, ADM242 are a family of high-speed

RS-232 line drivers/receivers offering transmission rates up to

200 kB/s. Operating from a single 5 V power supply, a highly

efficient on-chip charge pump using small (0.1 µF) external

capacitors allows RS-232 bipolar levels to be developed. Two

RS-232 drivers and two RS-232 receivers are provided on

each device.

INTERNAL 400kꢂ PULL-UP RESISTOR

ON EACH TTL/CMOS INPUT

** INTERNAL 5kꢂ PULL-DOWN RESISTOR

ON EACH RS-232 INPUT

functions are disabled. The ADM222 is available in 18-lead

DIP and in a wide surface-mount (SOIC) package.

The devices are fabricated on BiCMOS, an advanced mixed

technology process that combines low power CMOS with high-

speed bipolar circuitry. This allows for transmission rates up to

200 kB/s, yet minimizes the quiescent power supply current to

under 5 mA.

The ADM242 combines both shutdown (SHDN) and enable

(EN) functions. The shutdown function reduces the supply

current to 0.1 mA. During shutdown, the transmitters are dis-

abled but the receivers continue to operate normally. The

enable function allows the receiver outputs to be disabled

thereby facilitating sharing a common bus. The ADM242 is

available in 18-lead DIP and in a wide surface-mount (SOIC)

package.

The ADM232A is a pin-compatible, high-speed upgrade for the

AD232 and for the ADM232L. It is available in 16-lead DIP

and in both narrow and wide surface-mount (SOIC) packages.

The ADM222 contains an additional shutdown (SHDN) func-

tion that may be used to disable the device, thereby reducing the

supply current to 0.1 µA. During shutdown, all transmit/receive

REV.

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

2010

781/461-3113

Fax:

12 3 4 5 6 7...11

中文翻译

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ADM242ANZ 替代型号

型号	品牌	替代类型	描述	数据表
ADM222ARZ	ADI	完全替代	High-Speed, 5 V, 0.1 F CMOS RS-232 Drivers/Receivers
ADM232AANZ	ADI	类似代替	High-Speed, 5 V, 0.1 F CMOS RS-232 Drivers/Receivers
ADM232AARNZ	ADI	功能相似	High-Speed, 5 V, 0.1 F CMOS RS-232 Drivers/Receivers

与ADM242ANZ相关器件

型号	品牌	获取价格	描述	数据表
ADM242AR	ADI	获取价格	High Speed, +5 V, 0.1 uF CMOS RS-232 Drivers/Receivers
ADM242AR-REEL	ADI	获取价格	High-Speed, 5 V, 0.1 F CMOS RS-232 Drivers/Receivers
ADM242ARZ	ADI	获取价格	High-Speed, 5 V, 0.1 F CMOS RS-232 Drivers/Receivers
ADM242ARZ-REEL	ADI	获取价格	High-Speed, 5 V, 0.1 F CMOS RS-232 Drivers/Receivers
ADM243	ETC	获取价格	SLIDEWIRE DIFFERENTIAL SIGNAL TRANSMITTER
ADM2461E	ADI	获取价格	500 kbps、5.7 kV RMS、信号隔离型、半双工 RS-485 接口收发器，具有
ADM2463E	ADI	获取价格	500 kbps、5.7 kV RMS、信号隔离型 RS-485 接口收发器，具有 ±15
ADM2481	ADI	获取价格	Half-Duplex, iCoupler Isolated RS-485 Transceiver
ADM2481BRWZ	ADI	获取价格	Half-Duplex, iCoupler Isolated RS-485 Transceiver
ADM2481BRWZ-RL7	ADI	获取价格	Half-Duplex, iCoupler Isolated RS-485 Transceiver

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