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The ADM3222ARWZ is a dual-channel RS232/V.28 interface device launched by (ADI), featuring low power consumption and turn-off characteristics. It is highly suitable for use in battery-powered portable instruments. The following are its core features:

Data rate: 460 kbps

Rated power supply voltage: 3.3V

Complies with the EIA-232E specification

Charge pump capacitance: 0.1 µF

Dual-channel design ‌ : contains 2 drivers and 2 receivers

Close pin ‌ : supports low-power shutdown function (achieved through an external control pin)

ESD protection ‌ : complies with IEC 1000-4-2 standard (contact discharge ±8kV, air discharge ±15kV)

Introduction

The ADM3222ARWZ is a high-speed, dual-channel RS232/V.28 interface device powered by a single + 3.3V supply, making it highly suitable for battery-powered portable instruments.

ADM3222ARWZ complies with EIA-232E and CCITT V.28 specifications, with a maximum data rate of up to 230 kbps. The voltage multiplier/inverter uses four external 0.1 μF charge pump capacitors, so the ADM3222ARWZ can be powered by a single + 3.3V supply.

The ADM3222ARWZ is equipped with built-in additional enable and turn-off circuits. The output of the receiver can be in three states by using the EN input. The SD input is used to turn off the load pump and the transmitter output, reducing the quiescent current to below 1 µA. During the shutdown period, the receiver remains enabled unless it is disabled using EN.

Key parameters

Product: ADM3222ARWZ

Type: Transceiver

Protocol: RS232

Number of drivers/receivers: 2/2

Duplex: Full version

Receiver lag: 400 mV

Data rate: 460Kbps

Voltage - Power supply: 3V to 5.5V

Operating temperature: -40°C to 85°C

Installation type: Surface mount type

Packaging/Housing: 18-SOIC

Application scenarios

The ADM3222ARWZ is suitable for battery-powered devices (such as portable instruments), industrial control, communication interfaces and other scenarios with high requirements for power consumption and reliability. ‌

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Telephone: +86 13410018555 (Mr. Chen)

Email: sales@hkmjd.com

Official website: www.hkmjd.com