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)Specialized ICsSP232ACP
Image may be representation.
See specifications for product details.
Share
 Favorite
EXPRESS OPTION
Payment method

SP232ACP - SIPEX

Manufacturer Part Number
SP232ACP
Manufacturer
SIPEX
Allelco Part Number
32D-SP232ACP
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
4,940 pcs available, New & Original
Parts Description
DAC91001
Data sheet
-
Category
Integrated Circuits (ICs) > Specialized ICs
RoHs Status
Compare
Our certification
In stock: 4940

Required fields are indicated by an asterisk (*)
Please send RFQ, we will respond immediately.

Quantity

Specifications

SP232ACP Tech Specifications
SIPEX - SP232ACP technical specifications, attributes, parameters and parts with similar specifications to SIPEX - SP232ACP

Product Attribute Attribute Value
Part Number SP232ACP
Package DAC91001
Description DAC91001
Stock Condition Get 4940 pcs available quantity at Allelco
Payment PayPal / TT / Credit Card / Western Union
Allelco Certifications ESD / ISO 9001 / ISO 13485 / ISO 28000
Product Attribute Attribute Value
Manufacturer SIPEX
RoHs Status -
Warranty 100% Perfect Functions
Transport port Hong Kong
Shipping by DHL / FedEx / UPS / TNT / SF Express
RFQ Email info@allelco.com

Frequently Asked Questions(FAQ)

How does the SP232ACP compare to other RS-232 transceivers in terms of power consumption and operating voltage for battery-powered embedded applications?
The SP232ACP is designed with low-power operation in mind, typically consuming less than 5 mA at 5V supply and around 3 mA at 3.3V, making it suitable for portable or energy-constrained systems. Its wide operating voltage range of 3V to 5.5V provides flexibility across common microcontroller platforms. When compared to higher-performance alternatives like the MAX3232, which can draw up to 10 mA under full load, the SP232ACP offers a more efficient solution for basic UART-to-RS232 interfacing without requiring external charge pumps, reducing both component count and quiescent current.
What are the key differences between the SP232ACP and the MAX232 when used in industrial control environments with long cable runs?
The SP232ACP integrates internal charge pumps using small capacitors (typically 0.1 µF) to generate ±10V RS-232 levels from a single 3V–5.5V supply, eliminating the need for external high-voltage components. In contrast, the MAX232 requires larger charge pump capacitors and operates at fixed 5V, offering slightly better noise margin and transient immunity. For long cable runs (>5 meters), the MAX232’s higher output swing (±7V typical) may provide better signal integrity, whereas the SP232ACP’s ±8V output is sufficient for most short-to-medium distance applications but may require additional protection or level shifting in harsh EMI environments.
Can the SP232ACP be used with 1.8V logic devices such as newer ARM Cortex-M0+ microcontrollers?
Yes, the SP232ACP supports an input logic threshold as low as 0.8V, allowing direct interfacing with 1.8V TTL-compatible microcontrollers. However, designers must ensure that the microcontroller’s UART output pins can tolerate 5V signals if the SP232ACP is powered at 5V, or use level-shifting precautions. At 3.3V operation, the SP232ACP maintains clean compatibility with standard 3.3V logic families, including many modern MCUs, while still generating compliant RS-232 waveforms for serial communication.
What are the thermal implications of driving continuous RS-232 traffic on the SP232ACP in compact SOT23-6 packaging?
The SP232ACP generates minimal heat due to its CMOS design and low quiescent current. Under typical data rates (up to 120 kbps), power dissipation rarely exceeds 15 mW, resulting in negligible junction temperature rise even in tightly packed PCB layouts. Thermal resistance from junction to ambient is approximately 200°C/W, so without airflow, a maximum ambient temperature of 60°C allows operation up to 90°C junction temperature—well within commercial-grade limits. This makes it viable for space-constrained designs where heat sinking is impractical.
Is the SP232ACP suitable for automotive or extended-temperature applications, and what derating considerations apply?
While the SP232ACP is specified for industrial temperatures (-40°C to +85°C), it lacks AEC-Q100 qualification required for automotive use. In extended-temperature environments, designers should derate capacitor values in the charge pump circuit and avoid sustained high-speed transmission near temperature extremes. Additionally, ESD sensitivity (HBM Class 2, ~2kV) necessitates careful handling during assembly. For non-automotive ruggedized systems, proper layout and decoupling remain essential to maintain reliability over time.
How does the SP232ACP handle electrostatic discharge events compared to integrated solutions with built-in TVS protection?
The SP232ACP does not include on-chip ESD protection diodes on the RS-232 I/O lines. Therefore, external transient suppressors such as SM712 or similar bidirectional TVS diodes are strongly recommended when connecting to exposed connectors or cables susceptible to ESD. Without such protection, exposure to >100V static discharges can damage the device. This contrasts with parts like the SP3232E, which offer enhanced ESD clamping, making the SP232ACP more suitable for controlled lab environments than field-deployed systems.
What impact do supply bypass capacitors have on the stability of the SP232ACP’s internal charge pumps?
Stable operation of the SP232ACP’s internal charge pumps requires careful selection and placement of bypass capacitors. A 0.1 µF ceramic capacitor placed as close as possible to the VCC pin reduces switching noise and prevents oscillations. Poor bypassing can cause voltage droop, leading to degraded RS-232 output levels or communication errors. Designers should avoid using only bulk electrolytic capacitors; instead, combine a 0.1 µF X7R ceramic with a 1–10 µF tantalum or ceramic near the IC to ensure robust performance across varying load conditions.
Can the SP232ACP drive multiple RS-232 receivers simultaneously without signal degradation?
The SP232ACP has limited output drive capability—typically supporting one to two receivers at standard baud rates (≤120 kbps). Driving three or more RS-232 inputs may result in excessive loading, causing output voltage sag below RS-232 specification thresholds (±5V minimum). In multi-drop configurations, consider using a line driver with higher drive strength or adding buffer stages. For point-to-point links, however, the SP232ACP performs reliably without external buffering.

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

  • 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.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

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

SP232ACP

SIPEX
32D-SP232ACP

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