ADM232AARW

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ADM232AARW

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IC TRANSCEIVER FULL 2/2 16SOIC

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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 200kbps
Voltage-Supply 4.5V ~ 5.5V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 16-SOIC (0.295, 7.50mm Width)

Tổng quan

Description

ADM232AARW is Analog Devices’ dual RS-232 transceiver. It provides two drivers and two receivers to connect a UART (TTL/CMOS) to RS-232 serial lines, enabling reliable bidirectional communication.
Key points:
- Single-supply operation (typical 3.0–5.5 V) with an onboard charge-pump to generate RS-232 levels (external pump capacitors required).
- Two full RS-232 channels, suitable for typical UART data rates.
- Produces standard RS-232 voltage swings (approximately ± voltages) for robust long-distance signaling.
- Packaging: RoHS-compliant 16-pin package (e.g., SOIC/TSSOP) in tape-and-reel options.
Common uses:
- Microcontroller-to-PC serial interfaces
- Embedded systems and industrial equipment
- Any application needing simple, low-pin-count RS-232 connectivity
Note: For exact electrical specs, programming limits, capacitor values, and package details, refer to the ADM232AARW datasheet.

Equivalent

Equivalent parts (RS-232 transceivers, dual drivers/receivers):
- MAX232A/MAX232 (Maxim/Analog Devices)
- SP232/SP232A (Texas Instruments)
- ST232/ST3232 (STMicroelectronics)
Notes: pin-compatible in 8-pin packages; use external charge-pump capacitors (commonly 0.1–1 µF).

Features

Here are the typical features of the ADM232AARW RS-232 transceiver:
- Dual RS-232 drivers and receivers (2 Tx, 2 Rx)
- Single-supply operation: 3.0 V to 5.5 V
- On-chip charge pump to generate RS-232 levels (± voltage from logic supply)
- Data rates up to about 1 Mbps
- TTL/CMOS-compatible logic inputs for easy interfacing to microcontrollers
- 8-pin package (AARW)
- Low power consumption (typical quiescent current low)
- ESD protection on RS-232 lines
- Industrial temperature range (typical -40°C to +85°C)
Note: exact numbers (voltage ranges, data rate, temp range, ESD levels) come from the datasheet, so please refer to it for precise specifications.

Pinout

- Pin count: 8 pins (8-pin package)
- Function: Single-channel RS-232 transceiver (one transmitter and one receiver) that converts TTL/CMOS logic to RS-232 levels and RS-232 levels back to TTL, using a charge-pump to generate the required RS-232 voltages.

Manufacturer

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

Application

ADM232AARW is a single-chip RS-232 transceiver with an integrated charge pump. Common application areas include:
- Microcontrollers/embedded systems needing RS-232 serial interfaces
- Modems, serial printers, data terminals, POS devices
- Industrial automation: PLCs, HMIs, instrumentation, telemetry
- Networking/telecom equipment: console/management ports
- Laboratory/test equipment and data acquisition systems
These devices benefit from a compact, low‑power RS-232 driver/receiver suitable for 3–5V single-supply applications.

Package

ADM232AARW uses a 16‑lead Wide SOIC (surface-mount) package (0.300" body width).

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