ADM3222ARU

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ADM3222ARU

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IC TRANSCEIVER FULL 2/2 20TSSOP

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Thông số kỹ thuật

thuộc tính Giá trị
Supplier Analog Devices Inc.,Rochester Electronics, LLC
Package Tube,Tube
ProductStatus Obsolete
Type Transceiver
Protocol RS232
NumberofDrivers/Receivers 2/2
Duplex Full
ReceiverHysteresis 400 mV
DataRate 460Kbps
Voltage-Supply 3V ~ 5.5V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 20-TSSOP (0.173, 4.40mm Width)

Tổng quan

Description

ADM3222ARU is a dual RS-232 transceiver from Analog Devices. It provides two drivers and two receivers to connect a microcontroller’s TTL/CMOS logic to RS-232 devices. The device uses an on‑chip charge pump to generate RS-232 voltage levels from a single 3.3 V or 5 V supply; external pump capacitors are required. The ARU suffix denotes Tape‑and‑Reel packaging. Key benefits: simple single‑supply RS‑232 interface, low power, RS‑232 level compatibility, and standard I/O timing. Typical applications include embedded serial ports, modems, printers, and data loggers. It is available in compact packages (e.g., SOIC) and supported by the Analog Devices datasheet and design resources for pinout, electrical specs, and timing. For precise parameters and packaging details, consult the ADM3222ARU datasheet on Analog Devices’ website.

Equivalent

ADM3222ARU is a 2-channel RS-232 transceiver. Common cross-vendor equivalents include:
- MAX3222 (Maxim Integrated/Analog Devices)
- MAX3232 (Maxim Integrated)
- ST3232 / ST3232C (STMicroelectronics)
- SP3232 / SP3232E (Exar)
All are 2-channel RS-232 transceivers for 3.3–5V systems. Verify exact pinout and voltage range for your design.

Features

ADM3222ARU is a dual RS-232 transceiver. Key features:
- Dual RS-232 drivers and receivers (2 Tx, 2 Rx)
- Single-supply operation from 3 V to 5.5 V
- Full RS-232 level translation (and compatible TTL/CMOS logic thresholds)
- 8-pin package (SOP-8); RoHS-compliant
- Designed for high-speed operation (data rates up to around 1 Mbps)
- Low quiescent current and efficient power use
- ESD/overvoltage protection on RS-232 lines
- Industrial-temperature capable (as per datasheet)
- Packaging option: ARU indicates Tape & Reel
For exact electrical specs, timing, and package details, please refer to the official ADM3222ARU datasheet.

Pinout

8 pins. Function: ADM3222ARU is a dual RS-232 transceiver (two transmitter/receiver channels) with an on-chip charge pump to generate RS-232 voltage levels. It provides a TTL/CMOS input/output interface to a microcontroller on one side (TXD/RXD) and RS-232 I/O on the other, using pins for GND, V+, V− (charge-pump rails) plus the two channel input/output pins.

Manufacturer

- Manufacturer: Analog Devices, Inc. (ADI)
- What kind of company: An American multinational semiconductor company that designs and manufactures analog, mixed-signal, and DSP integrated circuits for signal processing and related applications.

Application

ADM3222ARU is a dual RS-232 transceiver. Typical applications include:
- Embedded/microcontroller systems needing RS-232 interfaces to PCs, modems, printers
- Industrial automation and control (PLCs, data loggers, sensors)
- Instrumentation, test and measurement equipment
- Point-of-sale terminals and peripheral devices
- Networking/telecom gear requiring robust RS-232 front-ends
It provides TTL/CMOS-to-RS-232 level shifting with low power operation for reliable long-distance serial communication.

Package

ADM3222ARU is in an 8-pin surface-mount package, specifically an 8‑lead SOIC (D‑8) package.

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