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HomeProductsIntegrated Circuits (ICs)Interface - Drivers, Receivers, TransceiversADM202JRNZ-REEL
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ADM202JRNZ-REEL - Analog Devices Inc.

Manufacturer Part Number
ADM202JRNZ-REEL
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-ADM202JRNZ-REEL
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
33,253 pcs available, New & Original
Parts Description
IC TRANSCEIVER FULL 2/2 16SOIC
Package
16-SOIC
Data sheet
ADM202JRNZ-REEL.pdf

PCN Assembly/Origin

2.73KHz.pdf

Other Related Documents

Tape and Reel Packaging.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 33253
  • Unit Price: $0.551
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.551 $0.55
10+ $0.455 $4.55
30+ $0.406 $12.18
100+ $0.358 $35.80
500+ $0.33 $165.00
1000+ $0.316 $316.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

ADM202JRNZ-REEL Tech Specifications
Analog Devices Inc. - ADM202JRNZ-REEL technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - ADM202JRNZ-REEL

Product Attribute Attribute Value
Manufacturer Analog Devices, Inc.
Voltage - Supply 4.5V ~ 5.5V
Type Transceiver
Supplier Device Package 16-SOIC
Series -
Receiver Hysteresis 400 mV
Protocol RS232
Package / Case 16-SOIC (0.154', 3.90mm Width)
Product Attribute Attribute Value
Package Tape & Reel (TR)
Operating Temperature 0°C ~ 70°C
Number of Drivers/Receivers 2/2
Mounting Type Surface Mount
Duplex Full
Data Rate -
Base Product Number ADM202

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

ADM202JRNZ-REEL Image
ADM202JRNZ-REEL (1)

Manufacturer Part Number

ADM202JRNZ-REEL

Manufacturer

Analog Devices

Introduction

The ADM202JRNZ-REEL from Analog Devices is a high-speed RS232 transceiver designed for digital communication applications requiring full duplex transmission lines.

Product Features and Performance

Capable of full duplex communication

Features 2 drivers and 2 receivers

Receiver hysteresis of 400 mV for improved noise rejection

Supports RS232 protocol

Designed for operation from 4.5V to 5.5V supply voltage

Operates within the temperature range of 0°C to 70°C

Surface mount technology facilitates compact and efficient designs

Packaged in a 16-SOIC format for easier integration into various systems

Product Advantages

High receiver hysteresis enhances signal integrity in noisy environments

Support for wide voltage range allows compatibility with various power supplies

The compact SOIC package enables space-efficient PCB layouts

Key Technical Parameters

Number of Drivers/Receivers: 2/2

Duplex: Full

Receiver Hysteresis: 400 mV

Supply Voltage: 4.5V ~ 5.5V

Operating Temperature: 0°C ~ 70°C

Mounting Type: Surface Mount

Package / Case: 16-SOIC

Quality and Safety Features

Ensures reliable operation within specified temperature and voltage ranges, adhering to Analog Devices' standards for quality and safety.

Compatibility

Compatible with devices and systems requiring RS232 communication interface.

Application Areas

Widely used in digital communication applications like networked computers, telecommunications equipment, and industrial machinery that require full duplex RS232 communication.

Product Lifecycle

Currently active, with no immediate discontinuation planned. Availability of replacements or upgrades is maintained by Analog Devices.

Several Key Reasons to Choose This Product

Reliable full duplex RS232 communication

Enhanced noise resistance due to high receiver hysteresis

Wide operating power supply range accommodates diverse applications

Compact and efficient packaging supports streamlined design efforts

Backed by the quality and support of Analog Devices, a leading manufacturer in the semiconductor industry

Frequently Asked Questions(FAQ)

What is the typical supply voltage range and operating temperature for the ADM202JRNZ-REEL transceiver, and how do these parameters affect its use in industrial environments?
The ADM202JRNZ-REEL operates within a supply voltage range of 4.5V to 5.5V, which aligns with standard logic levels used in many digital systems. Its operating temperature specification spans from 0°C to 70°C, indicating it is not rated for extended high-temperature or harsh environmental conditions typically found in industrial automation or automotive applications. This makes it more suitable for office, laboratory, or controlled indoor settings where ambient temperatures remain moderate and stable.
How does the receiver hysteresis of 400 mV in the ADM202JRNZ-REEL impact noise immunity when interfacing RS232 signals over long cables?
With a receiver hysteresis of 400 mV, the ADM202JRNZ-REEL provides a defined threshold difference between rising and falling signal transitions, enhancing noise rejection by preventing false triggering due to slow slew rates or electromagnetic interference. This characteristic is particularly beneficial when driving RS232 lines over longer distances where signal degradation and noise pickup are more likely. However, excessive cable length beyond recommended limits may still cause data errors despite this built-in immunity.
Can the ADM202JRNZ-REEL be used in half-duplex communication setups, or is it strictly limited to full-duplex operation?
The ADM202JRNZ-REEL is designed as a full-duplex transceiver with two drivers and two receivers, supporting simultaneous bidirectional communication on separate transmit and receive lines. It does not support half-duplex operation because there is no mechanism for shared transmit-receive paths or collision detection. For half-duplex RS232 applications, alternative ICs with direction control pins would be required.
What packaging options are available for the ADM202JRNZ-REEL, and how does the Cut Tape format influence assembly and inventory management?
The ADM202JRNZ-REEL is offered in 16-SOIC packaging with two primary tape formats: Cut Tape (CT) and Digi-Reel®. The Cut Tape configuration delivers individual components in sequential order, facilitating automated pick-and-place processes during PCB assembly while minimizing handling errors. This format supports efficient small-batch production and prototyping but requires careful inventory tracking compared to bulk reel-based supplies.
How does the Moisture Sensitivity Level (MSL) rating of 1 for the ADM202JRNZ-REEL simplify storage and handling requirements in a manufacturing environment?
Rated MSL 1 indicates the ADM202JRNZ-REEL is not sensitive to moisture absorption and can be stored indefinitely under normal conditions without requiring dry packaging or baking prior to reflow soldering. This simplifies supply chain logistics, reduces storage costs, and eliminates the need for special handling protocols typically associated with higher MSL devices like MSL 3 or 4 components.
In what scenarios would using the ADM202JRNZ-REEL over an integrated charge pump variant be advantageous or disadvantageous?
The ADM202JRNZ-REEL lacks an internal charge pump, meaning it relies on external ±12V power rails to generate the necessary RS232 voltage swings. While this increases bill-of-materials complexity and board space, it offers greater flexibility in power supply design and avoids potential charge pump noise issues. Conversely, compared to charge-pump-based alternatives like the MAX202, it requires additional power supplies and is less compact—making it better suited for systems already providing dual-supply voltages.
Does the ADM202JRNZ-REEL include any built-in protection features such as ESD or reverse polarity safeguards?
The datasheet for the ADM202JRNZ-REEL does not specify explicit ESD protection levels or reverse-voltage tolerance beyond standard input clamping diodes. Therefore, external ESD protection circuits or transient suppressors should be considered if the interface connects to unprotected external lines exposed to human contact or environmental transients. This absence of robust built-in protection makes proper PCB layout and isolation practices essential during deployment.
What is the significance of the Base Product Number ADM202 in relation to the full part number ADM202JRNZ-REEL, and how does this help in component lifecycle planning?
The base product number ADM202 represents the core semiconductor device before packaging and environmental qualifications are applied. The suffix JRNZ-REEL specifies packaging (SOIC), temperature grade (commercial), lead finish, orientation, and reel format. Maintaining awareness of the base number allows engineers to assess cross-referencing opportunities, monitor obsolescence risks, and evaluate availability across different packaging variants without assuming functional equivalence between similar-numbered parts from other manufacturers.
How does the 16-pin SOIC package size compare to alternative packages for RS232 transceivers in terms of footprint and thermal performance?
The 16-lead SOIC package measures approximately 10.3 mm in length and 7.5 mm in width, offering a moderate footprint that balances pin count with board real estate. Compared to larger packages like TSSOP or wider SOICs, it uses less surface area but also has lower power dissipation capability due to smaller exposed pad designs. Thermal performance is adequate for low-power RS232 applications but may require derating at elevated ambient temperatures near the upper limit of the 70°C operating range.
What data rate limitations, if any, should be expected when using the ADM202JRNZ-REEL with capacitive loads or long interconnect traces?
Although the datasheet does not explicitly state a maximum data rate, RS232 standards and practical implementations typically cap reliable transmission at around 120 kbps over standard cables. With capacitive loads exceeding 2500 pF or trace lengths beyond 15 meters, the ADM202JRNZ-REEL may exhibit reduced edge sharpness and increased rise/fall times, potentially causing timing violations. Proper termination and buffer staging may be needed in such cases to maintain signal integrity.
Is the ADM202JRNZ-REEL compatible with 3.3V microcontrollers when interfaced directly via UART, considering its supply voltage range?
Yes, the ADM202JRNZ-REEL can interface with 3.3V microcontrollers provided the system’s primary supply falls within the 4.5V–5.5V range. Since the transceiver’s logic inputs accept standard CMOS/TTL levels, they are compatible with 3.3V logic outputs. However, the microcontroller must not attempt to drive the RS232 side directly; the ADM202 handles level translation between the digital domain and RS232 voltage swings using external charge pumps or dual supplies.
What precautions should be taken when replacing the ADM202JRNZ-REEL with another RS232 transceiver in an existing design?
When substituting the ADM202JRNZ-REEL, verify matching specifications such as number of channels, package compatibility, supply requirements, receiver hysteresis, and absence of internal charge pumps. Ensure that the replacement does not require different decoupling, biasing, or external component values. Also confirm that pin functions map correctly, especially if switching between SOIC and TSSOP packages or between full-duplex and half-duplex architectures.
Why might a designer choose the ADM202JRNZ-REEL over a newer RS232 transceiver with integrated charge pumps and higher data rates?
Choosing the ADM202JRNZ-REEL may reflect legacy design constraints, existing power architecture already providing ±12V rails, or simplicity in avoiding charge pump-related instability. While newer alternatives offer higher speeds and smaller footprints, the ADM202 remains effective for basic serial communication tasks at lower data rates. Its proven reliability in mature applications and straightforward interface outweigh the advantages of newer technology in certain fixed-function embedded systems.
How does RoHS compliance and REACH status of the ADM202JRNZ-REEL impact global regulatory acceptance in commercial and medical equipment designs?
As a RoHS3 compliant device unaffected by REACH regulations, the ADM202JRNZ-REEL meets stringent European Union directives regarding hazardous substances like lead, mercury, and cadmium. This ensures it can be legally deployed in consumer, industrial, and even some regulated sectors such as medical instrumentation within RoHS-exempt categories. Designers can confidently source and integrate this component without risking non-compliance penalties during certification audits.
What role does the ECCN classification (EAR99) play in international sourcing decisions involving the ADM202JRNZ-REEL?
Classified under ECCN EAR99, the ADM202JRNZ-REEL is subject to U.S. Export Administration Regulations but generally does not require licensing for export or re-export to most countries under normal commercial conditions. This simplifies global procurement and distribution, making the part accessible to international customers without complex export controls—provided end-use does not involve military, proliferation-sensitive, or embargoed destinations.
How should the ADM202JRNZ-REEL be handled during manual assembly to prevent electrostatic discharge damage?
Despite lacking explicit ESD ratings in the functional description, standard semiconductor handling practices apply. Use grounded workstations, wrist straps, and anti-static packaging during manual insertion. Store unused units in conductive foam or grounded trays to minimize exposure to static fields. Although the part is MSL 1, proactive ESD mitigation preserves long-term reliability, especially since RS232 interfaces often connect to unshielded external cables susceptible to induced transients.
Can multiple ADM202JRNZ-REEL devices share the same ground plane without introducing noise or crosstalk issues?
Yes, multiple ADM202JRNZ-REEL transceivers can coexist on the same PCB ground plane provided good layout practices are followed: separate analog and digital grounds only when necessary, use solid return paths, avoid routing high-current return loops near sensitive signal traces, and ensure clean decoupling near each VCC pin. Because these devices operate at relatively low frequencies and draw modest currents, shared grounding typically does not introduce significant interference if power delivery is well managed.
What are the implications of selecting the ADM202JRNZ-REEL for a battery-powered application where power efficiency is critical?
The ADM202JRNZ-REEL consumes relatively static current regardless of data activity, and its operation depends on external charge pumps or dual supplies rather than internal regulators. In battery-powered systems lacking ±12V rails, additional DC-DC converters would be needed, increasing quiescent current and reducing overall efficiency. Thus, while feasible, this choice introduces power conversion overhead that may conflict with energy-conscious design goals—making it less ideal than ultra-low-power RS232 alternatives optimized for portable use.

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. ADM202JRNZ-REEL

Product Attribute ADM202JRNZ-REEL7 ADM202JRN-REEL7 ADM202JRN-REEL ADM202JRWZ-REEL
Part Number ADM202JRNZ-REEL7 ADM202JRN-REEL7 ADM202JRN-REEL ADM202JRWZ-REEL
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Base Product Number - DAC34H84 MAX500 ADS62P42
Protocol - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Mounting Type - Surface Mount Through Hole Surface Mount
Series - - - -
Duplex - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Type - - - -
Number of Drivers/Receivers - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Data Rate - - - -
Voltage - Supply - - - -
Receiver Hysteresis - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)

ADM202JRNZ-REEL Datasheet PDF

Download ADM202JRNZ-REEL pdf datasheets and Analog Devices Inc. documentation for ADM202JRNZ-REEL - Analog Devices Inc..

Datasheets
Cylindrical Battery Holders.pdf
PCN Assembly/Origin
2.73KHz.pdf
Other Related Documents
Tape and Reel Packaging.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

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ADM202JRNZ-REEL Image

ADM202JRNZ-REEL

Analog Devices Inc.
32D-ADM202JRNZ-REEL

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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