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HomeProductsIntegrated Circuits (ICs)Interface - Drivers, Receivers, TransceiversADM207EARZ-REEL
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ADM207EARZ-REEL - Analog Devices Inc.

Manufacturer Part Number
ADM207EARZ-REEL
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-ADM207EARZ-REEL
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
12,855 pcs available, New & Original
Parts Description
IC TRANSCEIVER FULL 5/3 24SOIC
Package
24-SOIC
Data sheet
ADM207EARZ-REEL.pdf

Other Related Documents

Tape and Reel Packaging.pdf
RoHs Status
ROHS3 Compliant
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In stock: 12855
  • Unit Price: $1.575
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Specifications

ADM207EARZ-REEL Tech Specifications
Analog Devices Inc. - ADM207EARZ-REEL technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - ADM207EARZ-REEL

Product Attribute Attribute Value
Manufacturer Analog Devices, Inc.
Voltage - Supply 4.5V ~ 5.5V
Type Transceiver
Supplier Device Package 24-SOIC
Series -
Receiver Hysteresis 650 mV
Protocol RS232
Package / Case 24-SOIC (0.295', 7.50mm Width)
Product Attribute Attribute Value
Package Tape & Reel (TR)
Operating Temperature -40°C ~ 85°C
Number of Drivers/Receivers 5/3
Mounting Type Surface Mount
Duplex Full
Data Rate 230kbps
Base Product Number ADM207

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

ADM207EARZ-REEL Image
ADM207EARZ-REEL (1)

Manufacturer Part Number

ADM207EARZ-REEL

Manufacturer

Analog Devices

Introduction

The ADM207EARZ-REEL is an RS232 transceiver from Analog Devices featuring robust interface drivers and receivers for communication applications.

Product Features and Performance

Robust ESD Protection

Five Drivers and Three Receivers for Full Duplex Communication

Receiver Hysteresis for Noise Suppression

Supports Data Rates up to 230kbps

Operational Voltage Range of 4.5V to 5.5V

Product Advantages

Enhanced ESD protection ensures reliability in harsh environments.

Optimized for minimal power consumption while maintaining high data integrity.

Key Technical Parameters

Number of Drivers/Receivers: 5/3

Duplex: Full

Receiver Hysteresis: 650mV

Data Rate: 230kbps

Voltage Supply: 4.5V to 5.5V

Operating Temperature: -40°C to 85°C

Quality and Safety Features

Built-in fault protection mechanisms

Meets stringent industrial standards for quality and reliability

Compatibility

Compatible with RS232 Protocols

Mountable on Surface Mount technology (SMT) boards

Application Areas

Telecommunications

Networking Systems

Point-of-Sale Terminals

Computer Peripheral Interface

Product Lifecycle

Active Product Status

Ongoing support with no immediate discontinuation forecast

Several Key Reasons to Choose This Product

Extended industrial temperature range capability (-40°C to 85°C)

Compatible with various microcontroller interfaces and systems

High reliability and robustness for critical applications

Tape & Reel packaging suitable for high volume production

Surface Mount Device (SMD) facilitates modern PCB design techniques

Frequently Asked Questions(FAQ)

What is the maximum data rate and supply voltage range for the ADM207EARZ-REEL RS232 transceiver, and how do these parameters affect high-speed serial communication design?
The ADM207EARZ-REEL supports a maximum data rate of 230 kbps with a supply voltage range of 4.5 V to 5.5 V. These specifications make it suitable for mid-range serial communication applications where signal integrity and noise immunity are critical. At 230 kbps, the device maintains reliable full-duplex transmission over standard RS232 cables without requiring external charge pumps or additional level-shifting circuitry. The narrow supply window aligns with common logic voltage standards in embedded systems, reducing power budget concerns while ensuring compatibility with 5V microcontroller environments.
How does the receiver hysteresis of 650 mV in the ADM207EARZ-REEL improve noise immunity compared to other RS232 transceivers, and what impact does this have on long-cable applications?
The 650 mV receiver hysteresis provides improved noise immunity by preventing false triggering due to electrical noise or slow signal transitions. This feature is particularly beneficial in industrial environments or setups using longer RS232 cables, where signal degradation and electromagnetic interference can distort data edges. Compared to transceivers with lower hysteresis values, the ADM207EARZ-REEL offers more stable reception in noisy conditions, reducing the risk of data corruption without significantly increasing latency. This makes it a robust choice for field-deployed or legacy system integration where signal integrity cannot be guaranteed.
What are the key differences between the ADM207EARZ-REEL and the MAX207CDWR in terms of temperature tolerance, packaging, and typical use cases?
While both the ADM207EARZ-REEL and MAX207CDWR are full-duplex RS232 transceivers with 5 drivers and 3 receivers, the ADM207EARZ-REEL operates across a commercial temperature range of -40°C to 85°C and is packaged in a 24-SOIC format, whereas the MAX207CDWR may have different thermal specifications depending on its variant. The ADM207EARZ-REEL’s surface-mount SOIC package enables compact PCB layouts, making it ideal for space-constrained designs such as industrial sensors or handheld test equipment. In contrast, alternative packages like TSSOP may offer better thermal dissipation but require more board area. Designers must evaluate both environmental requirements and spatial constraints when selecting between them.
Can the ADM207EARZ-REEL operate reliably in automotive environments, and what modifications would be needed if used beyond its specified temperature range?
The ADM207EARZ-REEL is rated for operation from -40°C to 85°C, which covers most industrial and commercial applications but falls short of the AEC-Q100 qualification required for automotive-grade components. While it may function temporarily in automotive settings under mild conditions, prolonged exposure to extreme temperatures or vibration could compromise reliability. To use the ADM207EARZ-REEL in harsh environments, designers should implement additional thermal management, such as heatsinking or derating the device, and include protective measures like transient voltage suppressors. However, for certified automotive systems, substituting with an AEC-compliant part would be necessary.
How does the Moisture Sensitivity Level (MSL) of 1 for the ADM207EARZ-REEL simplify the assembly process, and what precautions should still be taken during reflow soldering?
With an MSL rating of 1, the ADM207EARZ-REEL is considered moisture-insensitive and can be stored indefinitely without baking prior to assembly. This simplifies inventory management and reduces lead time in manufacturing workflows. However, during reflow soldering, standard IPC guidelines for lead-free processes must still be followed, including peak temperatures below 260°C and adequate soak profiles to prevent thermal stress. Despite its low sensitivity, improper handling or storage in humid environments could still introduce latent defects, so controlled atmosphere storage remains advisable for long-term reliability.
What are the implications of the ADM207EARZ-REEL’s full-duplex communication capability on system architecture compared to half-duplex alternatives?
The full-duplex nature of the ADM207EARZ-REEL allows simultaneous bidirectional data transmission and reception over a single RS232 link, eliminating the need for time-division multiplexing or complex handshaking protocols required in half-duplex systems. This simplifies software design and increases effective throughput, especially in command-response scenarios like UART-to-RS232 bridging. Systems using the ADM207EARZ-REEL can maintain continuous communication streams without coordination overhead, making it preferable for real-time control interfaces or diagnostic tools where latency matters.
How does the 24-SOIC package of the ADM207EARZ-REEL influence thermal performance and PCB layout decisions in high-density designs?
The 24-lead SOIC package (7.50 mm width) provides a balance between pin count and board space, enabling efficient routing in compact PCBs. However, its small thermal pad and limited exposed copper area result in higher thermal resistance compared to larger packages like DIP or QFP. In high-power or densely populated assemblies, designers must ensure adequate trace width and thermal vias beneath the IC to dissipate heat effectively. While the ADM207EARZ-REEL itself consumes minimal power, cumulative heat from adjacent components can affect long-term junction temperature, necessitating careful layout planning even in low-power RS232 applications.
What role does the REACH and RoHS compliance status of the ADM207EARZ-REEL play in global product certification, and how might it impact supply chain decisions?
The ADM207EARZ-REEL complies with RoHS3 and is REACH unaffected, meaning it contains no restricted substances and meets EU environmental directives. This facilitates market access across Europe, North America, and Asia without requiring additional testing or documentation for hazardous materials. For OEMs managing global certifications, using compliant parts like the ADM207EARZ-REEL reduces legal and logistical complexity in product approvals. It also future-proofs designs against evolving regulations, minimizing redesign risks when scaling production or entering new markets.
How does the base product number ADM207 relate to the ADM207EARZ-REEL, and what derivative variants exist within Analog Devices' family?
The base product number ADM207 refers to the core transceiver architecture shared among several package and performance variants. The ADM207EARZ-REEL is one such variant, distinguished by its SOIC-24 packaging and reel-based tape configuration for automated pick-and-place assembly. Other members of the ADM207 family may differ in pin count, operating temperature, or power characteristics, but retain compatible functionality. Understanding this hierarchy helps engineers select appropriate models for specific form factors or environmental demands while maintaining design consistency.
What considerations should be made when substituting the ADM207EARZ-REEL with parts like the MAX237EWG+ or MAX207IDWR in existing designs?
Substituting the ADM207EARZ-REEL with alternatives such as the MAX237EWG+ or MAX207IDWR requires verifying compatibility in pinout, supply voltage, data rate, and package footprint. While these devices serve similar RS232 transceiver roles, variations in input thresholds, shutdown modes, or ESD protection levels may alter circuit behavior. For instance, the MAX207IDWR may offer extended temperature support but use a different pin arrangement. Engineers should consult detailed application notes and perform validation testing to ensure functional parity, especially in safety-critical or regulated systems relying on the original component's documented performance.
How does the protocol implementation of RS232 in the ADM207EARZ-REEL handle voltage swing and signaling levels, and what interface challenges might arise with legacy peripherals?
The ADM207EARZ-REEL internally generates ±12 V (typical) RS232 voltage swings from its 5 V supply, enabling backward compatibility with older RS232 standards and long-haul communication lines. This auto-generates negative voltages using internal charge pumps, eliminating the need for external transformers. When interfacing with modern low-voltage logic or TTL-level peripherals, level translation may still be required at the MCU side. Additionally, long cable runs (>15 meters) demand attention to baud rate limitations and termination, as the 230 kbps limit caps practical reach. Careful impedance matching and shielding remain essential for stable operation.
What is the significance of the ECCN code EAR99 for the ADM207EARZ-REEL, and how might it affect international procurement or export controls?
The Export Control Classification Number (ECCN) of EAR99 indicates that the ADM207EARZ-REEL is subject to U.S. Export Administration Regulations (EAR) but not listed under specific control categories. This means it generally requires no license for worldwide shipment unless destined for embargoed countries or end uses involving military or proliferation-sensitive applications. For most commercial electronics manufacturers sourcing the ADM207EARZ-REEL, this simplifies logistics and reduces compliance overhead. However, exporters must still verify end-user eligibility through their suppliers to avoid regulatory violations.
How does the data rate limitation of 230 kbps constrain the use of the ADM207EARZ-REEL in high-throughput serial communication scenarios?
At 230 kbps, the ADM207EARZ-REEL supports reliable point-to-point serial links but becomes impractical for high-bandwidth applications such as video streaming, large firmware updates, or multi-drop networks with frequent polling. This ceiling restricts its utility to moderate-speed control loops, sensor data logging, or human-machine interfaces. In such cases, alternative protocols like SPI or I²C—which the host microcontroller likely supports natively—may offer superior speed and reduced pin count. Thus, while the ADM207EARZ-REEL excels in RS232 bridging, it should not replace faster serial buses where available.
What advantages does the tape and reel packaging (TR) of the ADM207EARZ-REEL offer in automated manufacturing environments?
The tape and reel configuration enables high-speed automated pick-and-place assembly, improving throughput and reducing manual handling errors during mass production. Components like the ADM207EARZ-REEL are presented in carrier tapes conforming to industry standards, allowing seamless integration into surface-mount technology (SMT) lines. This format also preserves orientation and protects leads during transit, minimizing damage before reflow. For contract manufacturers assembling thousands of boards, using pre-packaged reels like the ADM207EARZ-REEL streamlines supply chain logistics and supports just-in-time inventory practices.
How does the receiver hysteresis specification interact with noise margins in noisy industrial environments, and what design trade-offs does this introduce?
The 650 mV hysteresis creates a "dead zone" around the switching threshold, meaning signals must transition beyond this margin before the state changes. While this prevents chatter from minor fluctuations, it also introduces slight propagation delay. In fast-changing signals near the threshold, this can reduce effective edge speed. Designers must balance noise immunity against timing requirements—higher hysteresis improves stability but risks missing rapid transitions. For the ADM207EARZ-REEL, this trade-off favors robustness over raw speed, making it ideal for asynchronous communication rather than synchronous clocked systems.
What steps should be taken to validate the ADM207EARZ-REEL in a prototype before committing to full-scale production?
Prototyping should include functional tests across the full temperature range (-40°C to 85°C), verification of baud rates up to 230 kbps, and validation of RS232 line driver/receiver outputs under loaded conditions. Environmental stress testing—such as thermal cycling and humidity exposure—can reveal latent defects missed during bench evaluation. Additionally, EMI susceptibility testing ensures reliable operation near motors, RF sources, or switching regulators. Only after confirming consistent performance under realistic loads should the ADM207EARZ-REEL be approved for production; early-stage failures often stem from unmodeled parasitic effects or layout-induced coupling.
How does the number of drivers and receivers (5/3) in the ADM207EARZ-REEL influence system topology choices in multi-device RS232 networks?
With five drivers and three receivers, the ADM207EARZ-REEL supports one primary transmitter and multiple potential receivers in a star or point-to-multipoint configuration. However, RS232’s non-robust bus architecture limits multi-drop topologies to short distances and low speeds due to loading and skew issues. Typically, each device connects to one dedicated line pair. The excess drivers allow flexibility in routing signals to multiple destinations if isolation or buffering is added. Still, most designs use only one active driver at a time, reserving others for redundancy or expansion. Proper termination and slew-rate control are critical to avoid reflections.
What are the long-term reliability implications of using the ADM207EARZ-REEL in continuous-operation systems, and how can failure modes be mitigated?
The ADM207EARZ-REEL is designed for industrial-grade reliability, but continuous operation near the upper end of its supply voltage (5.5 V) or ambient temperature (85°C) accelerates aging of internal charge pumps and capacitors. Electrolytic-like degradation in the voltage doubler can manifest as output droop or startup failures over time. Mitigation strategies include derating the supply by 0.5 V, adding soft-start circuits, and avoiding prolonged operation at maximum ratings. Periodic functional checks during maintenance cycles can detect early signs of charge-pump fatigue, extending service life in mission-critical applications using the ADM207EARZ-REEL.

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. ADM207EARZ-REEL

Product Attribute ADM207EARSZ-REEL ADM207EARUZ-REEL7 ADM207EARU-REEL7 ADM207EARU-REEL
Part Number ADM207EARSZ-REEL ADM207EARUZ-REEL7 ADM207EARU-REEL7 ADM207EARU-REEL
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Data Rate - - - -
Number of Drivers/Receivers - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Base Product Number - DAC34H84 MAX500 ADS62P42
Series - - - -
Type - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Voltage - Supply - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Receiver Hysteresis - - - -
Protocol - - - -
Duplex - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)

ADM207EARZ-REEL Datasheet PDF

Download ADM207EARZ-REEL pdf datasheets and Analog Devices Inc. documentation for ADM207EARZ-REEL - Analog Devices Inc..

Datasheets
Cylindrical Battery Holders.pdf
Other Related Documents
Tape and Reel Packaging.pdf
PCN Assembly/Origin
RS-232 Alternate Fab Foundry 23/Oct/2013.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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2.00kg-3.00kg USD$50.00 - USD$100.00
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ADM207EARZ-REEL Image

ADM207EARZ-REEL

Analog Devices Inc.
32D-ADM207EARZ-REEL

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

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