SP3232ECT-L >
SP3232ECT-L
MaxLinear, Inc.
IC TRANSCEIVER FULL 2/2 16SOIC
2142 Pcs New Original In Stock
2/2 Transceiver Full RS232 16-SOIC
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SP3232ECT-L MaxLinear, Inc.
5.0 / 5.0 - (120 Ratings)

SP3232ECT-L

Product Overview

6696074

DiGi Electronics Part Number

SP3232ECT-L-DG

Manufacturer

MaxLinear, Inc.
SP3232ECT-L

Description

IC TRANSCEIVER FULL 2/2 16SOIC

Inventory

2142 Pcs New Original In Stock
2/2 Transceiver Full RS232 16-SOIC
Quantity
Minimum 1

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SP3232ECT-L Technical Specifications

Category Interface, Drivers, Receivers, Transceivers

Manufacturer MaxLinear

Packaging -

Series -

Product Status Obsolete

Type Transceiver

Protocol RS232

Number of Drivers/Receivers 2/2

Duplex Full

Receiver Hysteresis 300 mV

Data Rate 235Kbps

Voltage - Supply 3V ~ 5.5V

Operating Temperature 0°C ~ 70°C

Mounting Type Surface Mount

Package / Case 16-SOIC (0.295", 7.50mm Width)

Supplier Device Package 16-SOIC

Base Product Number SP3232

Datasheet & Documents

HTML Datasheet

SP3232ECT-L-DG

Environmental & Export Classification

Moisture Sensitivity Level (MSL) 3 (168 Hours)
ECCN EAR99
HTSUS 8542.39.0001

Additional Information

Other Names
Q7047333
1016-1104-5
SP3232ECTL
Standard Package
41

Alternative Parts

View Details
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
MAX232CWE+T
Analog Devices Inc./Maxim Integrated
5913
MAX232CWE+T-DG
0.0073
MFR Recommended
LT1081ISW#PBF
Analog Devices Inc.
2089
LT1081ISW#PBF-DG
2.6642
MFR Recommended
HIN232CBZ-T
Renesas Electronics Corporation
10461
HIN232CBZ-T-DG
0.0095
MFR Recommended
TRS3232EIDW
Texas Instruments
2262
TRS3232EIDW-DG
1.0433
MFR Recommended
MAX3232EWE+T
Analog Devices Inc./Maxim Integrated
1987
MAX3232EWE+T-DG
3.8292
MFR Recommended

Reviews

5.0/5.0-(Show up to 5 Ratings)
푸***가
December 02, 2025
5.0
물류 추적 시스템이 매우 정밀하고 사용자 친화적이라서 좋아요. 정시 배송 보장도 마음에 들어요.
夢***者
December 02, 2025
5.0
我非常滿意他們產品的一致性,從未失望過,加上價格公開,非常值得信賴。
Mea***Lark
December 02, 2025
5.0
They handle after-sales issues with professionalism and speed, which is rare to find.
Tru***ace
December 02, 2025
5.0
Shipping is always reliable and prompt, making the whole shopping experience excellent.
MoonG***Magic
December 02, 2025
5.0
Their prompt after-sales support truly makes them stand out in the industry.
Lumino***ourney
December 02, 2025
5.0
I experienced excellent support after the sale, which helped build trust.
Hori***Hues
December 02, 2025
5.0
Their after-sales support is proactive and always ready to assist, which gives me peace of mind.
Peac***dLove
December 02, 2025
5.0
Their products are reliable, and their after-sales support is equally dependable.
Celest***Spirit
December 02, 2025
5.0
Customer support is attentive, friendly, and effective.
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Frequently Asked Questions (FAQ)

Can the SP3232ECT-L be used as a drop-in replacement for the MAX3232EWE+T in an existing RS232 design, and what are the key compatibility risks?

The SP3232ECT-L can generally replace the MAX3232EWE+T in 3V to 5.5V systems since both support 2/2 full-duplex RS232 transceivers with similar pinouts and data rates up to 235kbps. However, a critical design risk is the SP3232ECT-L's higher typical supply current (15mA vs. 10mA on MAX3232E), which may impact power-sensitive applications. Additionally, confirm that your level-shifting capacitors meet the SP3232ECT-L’s charge pump requirements (0.1µF typical) to avoid insufficient RS232 voltage swing. Always check actual board layout clearance for C1+, C1−, and V+ nodes to prevent voltage dropout under load.

How does the SP3232ECT-L perform in mixed-voltage systems, and what level translation considerations should be addressed when interfacing with 3.3V MCUs?

The SP3232ECT-L operates reliably with 3V to 5.5V supplies, making it suitable for 3.3V MCU integration. However, a common design-in risk is assuming guaranteed logic thresholds at 3.3V; although SP3232ECT-L is specified for 3V, noise margin is tighter than at 5V. Use strong pull-ups (if needed) and keep input trace lengths short to minimize noise coupling. Ensure control signals like /ENABLE are driven by 3.3V-tolerant MCU pins, and verify that the MCU’s input high threshold (typically >0.7×VCC) is compatible with the SP3232ECT-L’s output levels (~0.9×VCC).

Is the SP3232ECT-L suitable for industrial applications with temperature variations, and what are the reliability implications given its 0°C to 70°C rating?

The SP3232ECT-L is limited to 0°C to 70°C, making it unsuitable for industrial environments with sub-zero or high-temperature operation. A key design risk is system failure if ambient temperatures exceed 70°C, especially with internal board heating. Avoid using SP3232ECT-L in uncontrolled enclosures or outdoor deployments. For extended temperature needs, consider upgrades like the TRS3232EIDW (−40°C to 85°C) despite slight pin compatibility differences. Designers should also derate lifetime expectations due to electrolytic capacitor aging in the voltage pump circuit under prolonged thermal stress.

Why is the SP3232ECT-L listed as obsolete, and what long-term supply risks should be considered for new designs?

The SP3232ECT-L is marked obsolete by MaxLinear, meaning it's no longer recommended for new designs and future availability is uncertain despite current inventory. A critical risk is design obsolescence; sourcing 2077 units today won't support volume production or long-lifecycle systems. Use SP3232ECT-L only for legacy repairs or short-run builds. For new designs, evaluate immediate drop-in alternatives like the HIN232CBZ-T or LT1081ISW#PBF with comparable specs and active status. Always secure last-time buy forecasts and consider redesign cycles to avoid costly requalification later.

What are the PCB layout best practices for the SP3232ECT-L to maintain signal integrity and power stability at 235kbps?

To ensure signal integrity with the SP3232ECT-L, minimize loop areas for charge pump capacitors (C1, C2) and place them within 5mm of their respective pins (V+, V−, C1+, C1−) to reduce EMI and voltage droop. Use a solid ground plane under the 16-SOIC package to improve thermal and noise performance. Route RS232 lines (T1OUT, R1IN) away from digital switching paths to avoid crosstalk, especially at 235kbps near the device’s data rate limit. Also, decouple VCC with a 0.1µF ceramic and 1µF bulk capacitor in parallel near the pin to suppress supply transients during bus transitions.

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