About us Contact Us Submit BOM
RFQs(0)
English
Close Menu
View All

Please refer to the English Version as our Official Version.Return

Europe
France(Français) Germany(Deutsch) Italy(Italia) Russian(русский) Poland(polski) Czech(Čeština) Luxembourg(Lëtzebuergesch) Netherlands(Nederland) Iceland(íslenska) Hungarian(Magyarország) Spain(español) Portugal(Português) Turkey(Türk dili) Bulgaria(Български език) Ukraine(Україна) Greece(Ελλάδα) Israel(עִבְרִית) Sweden(Svenska) Finland(Svenska) Finland(Suomi) Romania(românesc) Moldova(românesc) Slovakia(Slovenská) Denmark(Dansk) Slovenia(Slovenija) Slovenia(Hrvatska) Croatia(Hrvatska) Serbia(Hrvatska) Montenegro(Hrvatska) Bosnia and Herzegovina(Hrvatska) Lithuania(lietuvių) Spain(Português) Switzerland(Deutsch) United Kingdom(English)
Asia/Pacific
Japan(日本語) Korea(한국의) Thailand(ภาษาไทย) Malaysia(Melayu) Singapore(Melayu) Vietnam(Tiếng Việt) Philippines(Pilipino)
Africa, India and Middle East
United Arab Emirates(العربية) Iran(فارسی) Tajikistan(فارسی) India(हिंदी) Madagascar(malaɡasʲ)
South America / Oceania
New Zealand(Maori) Brazil(Português) Angola(Português) Mozambique(Português)
North America
United States(English) Canada(English) Haiti(Ayiti) Mexico(español)
HomeProductsIntegrated Circuits (ICs)Interface - Drivers, Receivers, TransceiversADM238LARZ-REEL
ADM238LARZ-REEL Image
ADM238LARZ-REEL Image - 1
Image may be representation.
See specifications for product details.
Share
 Favorite
EXPRESS OPTION
Payment method

ADM238LARZ-REEL - Analog Devices Inc.

Manufacturer Part Number
ADM238LARZ-REEL
Manufacturer
Analog Devices, Inc.
Allelco Part Number
98D-ADM238LARZ-REEL
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
46,982 pcs available, New & Original
Parts Description
IC TRANSCEIVER FULL 4/4 24SOIC
Package
24-SOIC
Data sheet
ADM238LARZ-REEL.pdf

PCN Assembly/Origin

2.73KHz.pdf

Other Related Documents

Tape and Reel Packaging.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 46982
  • Unit Price: $4.023
  • Subtotal: $0.00

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

Quantity Unit Price Ext. Price
1+ $4.023 $4.02
200+ $1.557 $311.40
500+ $1.502 $751.00
1000+ $1.475 $1,475.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

ADM238LARZ-REEL Tech Specifications
Analog Devices Inc. - ADM238LARZ-REEL technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - ADM238LARZ-REEL

Product Attribute Attribute Value
Manufacturer Analog Devices, Inc.
Voltage - Supply 4.75V ~ 5.25V
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 4/4
Mounting Type Surface Mount
Duplex Full
Data Rate 120Kbps
Base Product Number ADM238

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

Frequently Asked Questions(FAQ)

What are the key electrical characteristics of the ADM238LARZ-REEL that influence its performance in industrial RS232 communication systems?
The ADM238LARZ-REEL features a receiver hysteresis of 650 mV, which helps maintain signal integrity in electrically noisy environments by preventing false triggering on slow or glitchy input transitions. With a data rate capability of up to 120 Kbps and a supply voltage range of 4.75 V to 5.25 V, it is well-suited for stable operation in 5V logic systems typical of legacy industrial serial interfaces. These parameters collectively ensure reliable full-duplex communication over longer cable runs where signal degradation might otherwise compromise data accuracy.
How does the ADM238LARZ-REEL compare to other full-duplex RS232 transceivers like the MAX3232 in terms of power efficiency and noise immunity for embedded applications?
While the MAX3232 offers comparable data rates, the ADM238LARZ-REEL differentiates itself with higher receiver hysteresis (650 mV versus typically 500–600 mV in competitors), providing superior noise immunity in unshielded or long-trace PCB layouts. Additionally, its tighter supply tolerance (±250 mV around 5 V) enables more precise voltage regulation, reducing susceptibility to brown-out conditions. Though both operate at similar speeds, the ADM238’s design emphasizes robustness in harsh environments, making it preferable when electromagnetic interference (EMI) and transient spikes are concerns.
What mounting and packaging considerations should be evaluated when integrating the ADM238LARZ-REEL into a high-volume surface-mount production line?
The ADM238LARZ-REEL comes in a 24-pin SOIC package measuring 7.50 mm wide with a standard gull-wing footprint, compatible with automated pick-and-place equipment. Its Tape & Reel (TR) packaging supports MSL 1 handling—meaning unlimited floor life without baking—making it ideal for continuous assembly flow. Engineers should verify solder paste stencil thickness and reflow profile alignment with JEDEC standards to prevent tombstoning or bridging, particularly due to the device’s moderate pin count and pitch.
Can the ADM238LARZ-REEL reliably drive RS232 levels over long cables in outdoor or automotive-grade applications despite not being AEC-Q100 qualified?
Although the ADM238LARZ-REEL operates across -40°C to +85°C, it lacks automotive-specific qualification, so use in certified automotive systems requires additional validation. However, its ±10 V driver outputs and receiver thresholds within ±3 V to ±15 V RS232 specifications allow effective signaling over hundreds of feet in controlled industrial settings. For extended cable lengths (>15 m), engineers must consider adding line drivers or using lower baud rates to mitigate capacitance-induced rise time degradation.
What design precautions are necessary when interfacing the ADM238LARZ-REEL with 3.3 V microcontrollers given its 5 V nominal supply requirement?
Since the ADM238LARZ-REEL requires 4.75 V to 5.25 V and many modern MCUs run at 3.3 V, level translation is essential. Direct connection risks undervoltage damage or undefined logic states. Instead, use open-drain buffers or dedicated level shifters on the Tx/Rx lines, ensuring the 5 V side never drives the 3.3 V input above its absolute maximum rating (typically 3.6 V). Alternatively, configure the MCU UART to operate at lower voltages and employ external charge pumps if available, though this complicates the design.
How does the full-duplex capability of the ADM232LARZ-REEL benefit system architects designing multi-drop serial networks compared to half-duplex alternatives?
The ADM238LARZ-REEL provides independent transmit and receive channels (4 drivers/4 receivers), enabling simultaneous bidirectional communication without time-division multiplexing. This eliminates protocol overhead associated with turnaround cycles in half-duplex configurations, doubling effective throughput in point-to-point links. In multi-drop topologies requiring clear-to-send (CTS) handshake support, the full-duplex structure simplifies flow control implementation while maintaining deterministic latency—critical for real-time monitoring systems such as building automation or process control.
What environmental and compliance factors should be considered when sourcing the ADM238LARZ-REEL for European Union market deployment?
The ADM238LARZ-REEL complies with RoHS3 directives and has REACH unaffected status, eliminating lead, cadmium, and halogenated flame retardant restrictions. Its ECCN classification (EAR99) indicates low export control complexity, facilitating global distribution. Additionally, the HTSUS code 8542.39.0001 simplifies customs documentation in North America. For EU CE marking, ensure end-product conformity with EMC Directive 2014/30/EU, as the component itself does not carry regulatory certification but contributes to overall system compliance.
Why might an engineer choose the ADM238LARZ-REEL over integrated RS232 solutions with built-in charge pumps in cost-sensitive consumer designs?
While charge-pump ICs simplify PCB layout by eliminating external capacitors, they often exhibit higher quiescent current and reduced noise margins under load variations. The ADM238LARZ-REEL uses external capacitor-based charge pumps (typically two 0.1 µF ceramics), offering better output stability and wider temperature performance. Though this adds two passive components, it avoids potential flicker noise from switching regulators and ensures consistent ±10 V swing even during rapid data bursts—valuable in precision measurement equipment where signal fidelity outweighs minimal BOM savings.

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. ADM238LARZ-REEL

Product Attribute ADM238LJRZ-REEL ADM238LAR-REEL ADM238LJR-REEL ADM237LJRZ-REEL
Part Number ADM238LJRZ-REEL ADM238LAR-REEL ADM238LJR-REEL ADM237LJRZ-REEL
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Series - - - -
Number of Drivers/Receivers - - - -
Receiver Hysteresis - - - -
Protocol - - - -
Data Rate - - - -
Type - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Base Product Number - DAC34H84 MAX500 ADS62P42
Duplex - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Voltage - Supply - - - -

ADM238LARZ-REEL Datasheet PDF

Download ADM238LARZ-REEL pdf datasheets and Analog Devices Inc. documentation for ADM238LARZ-REEL - Analog Devices Inc..

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

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

  • Arch***ct
    Jul 15, 2026

    Used this device in a communication signal processing board. Stable timing and no unexpected issues during implementation.

  • FPGA***lorer88
    Jul 7, 2026

    The FPGA works properly and all functions operate as expected. Documentation required some additional research, but overall it is a usable device for smaller signal processing projects.

  • Nath***oleman
    Jun 29, 2026

    Used this sensor component in an industrial automation setup. Detection accuracy was consistent and installation was straightforward.

  • Emil***rperTech
    Jun 23, 2026

    Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.

  • Liam***terTech
    Jun 15, 2026

    Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.

  • 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.

Write a Review

Your Email address will not be published.

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
  • QC (Quality Warranty)
  • Payment Support
  • Packaging
  • Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
  1. Visual inspection
  2. Performance testing and reliability verification
  3. Standardized full-process testing
  4. Precise control of every parameter
We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
Quality Inspection
Quality Inspection Image - 01
Quality Inspection Image - 02
Quality Inspection Image - 03
Quality Inspection Image - 04

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.
  • HKBea
  • Paypal
  • MasterCard
  • Western-Union
  • VISA
Stable Delivery, Sincere Partnership — Your Faithful Supply Chain Partner
  • Efficient Supply Management
  • Cost-Saving Procurement
  • Fast Sourcing & Delivery
Contact us if you have any questions.

Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
  • ISO 13485: 2016
  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
  • GB/T 27922-2011
  • SMTA
  • IPC
  • ESD
  • PSMA
ADM238LARZ-REEL Image

ADM238LARZ-REEL

Analog Devices Inc.
98D-ADM238LARZ-REEL

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

Allelco
About Us
History
Certifications
Recruitment
Policies
Terms & Conditions
Privacy Policy
Cookie Policy
Services
Order Tracking
Return & Replacement
Frequently Asked Questions
Contact Us
Order
Shipping & Delivering
Payment Methods
My Account
The BlogsHot PartsChange LanguageNewsSite map
Contact Us
Headquarters Address:
Room C 13/F Harvard Commercial Building
105-111 Thomson Road Wan Chai
HongKong
Service Tel: +852-91464856
Service Email: info@allelco.com
Follow us
Copyright © 2012-2025 AllelcoElec.com. All rights reserved.
0 RFQ
Shopping cart (0 Items)
It is empty.
Submit RFQ
Compare List (0 Items)
It is empty.
Feedback

Your feedback matters! At Allelco, we value the user experience and strive to improve it constantly.
Please share your comments with us via our feedback form, and we'll respond promptly.
Thank you for choosing Allelco.

Subject
E-mail
Comments
Captcha
Drag or click to upload file
Upload File
types: .xls, .xlsx, .doc, .docx, .jpg, .png and .pdf.
Max file size: 10MB