SP232ECT-L/TR - 2/2 5V RS-232 Transceiver | MaxLinear
料号： SP232ECT-L/TR ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $1.2533 | $1.25 |
| 10 | $1.3607 | $13.61 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
SP232ECT-L/TR 概述
What is an RS-232 transceiver? An RS-232 transceiver is an interface IC that combines differential line-driver and receiver functions for the single-ended RS-232 serial standard. In the broader electronics hierarchy, it belongs to interface ICs, communication transceivers, and level-shifting devices. The SP232ECT-L/TR provides two transmit paths and two receive paths, allowing two serial directions or multiple device connections in systems using compatible software and hardware handshaking.
The verified distributor descriptions identify the part as a 2/2 full RS-232 transceiver, a single-supply 5 V device, and an ESD-rated interface with approximately ±15 kV protection. Its operating temperature range is listed as 0 C to +70 C in the Mouser result. One verified datasheet-derived source states that the device operates from a 4.5 V to 5.5 V supply and uses a 16-SOIC package. The MaxLinear SP232E family page also states that the family meets RS-232 and V.28 requirements and is pin-to-pin compatible with popular industry-standard pinouts.
Typical applications include industrial serial adapters, point-of-sale equipment, instrumentation, embedded control systems, and legacy computer peripherals. Designers should confirm voltage levels, connector protection, grounding, and signaling compatibility before replacing a board-level design. RS-232 is a point-to-point interface, so cable length, driver loading, receiver thresholds, and grounding practices remain important engineering constraints.
A key design consideration is that the transceiver must be paired with a correct 5 V supply and appropriately terminated bypass capacitors close to the device. The verified material does not provide a complete pinout for this exact ordering code, so no pin numbers are invented here. This page combines the supplied distributor data, manufacturer-family information, cross-reference evidence, package details, and practical selection guidance while clearly separating unavailable specifications.
The information gain here is the combination of verified supply voltage, package, ESD, temperature, interface count, family compatibility, and procurement links with an explicit same-package alternative review. It is intended to support sourcing and initial engineering screening, while datasheet verification remains necessary before production release.
直接替换替代料： SP232ECT-L/TR ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
SP232ACT-L/TR
✅ 直接替换📋 参考替代料（不在目录中）
SP232ECT-L
✅ 直接替换📋 参考替代料（不在目录中）
SP232ECN-L/TR
✅ 直接替换📋 参考替代料（不在目录中）
SP232EEN-L/TR
✅ 直接替换📋 参考替代料（不在目录中）
MAX232CPE+
✅ 直接替换📋 参考替代料（不在目录中）
SP232ECT-L/TR 规格参数
| Device Type | 2/2 full RS-232 transceiver |
| Number of Drivers | 2 |
| Number of Receivers | 2 |
| Supply Voltage Range | 4.5 V to 5.5 V |
| Nominal Supply | 5 V |
| Protocol | RS-232 |
| Standard Compatibility | RS-232D and ITU V.28 |
| ESD Protection | +/-15 kV |
| 工作温度 | 0 C to +70 C |
| 封装 | 16-SOIC (SOIC16W) |
| Package Body Width | 7.50 mm |
| Package Length | 10.3 mm |
| 安装类型 | Surface Mount |
| Packaging | Tape and Reel |
| Internal Technology | CMOS |
| RoHS | Yes |
SP232ECT-L/TR 10.3 mm 引脚配置指南
SP232ECT-L/TR（10.3 mm 封装）的引脚配置。 引脚编号、功能和连接图在制造商数据手册中定义。请参阅该手册以了解确切的封装尺寸和焊接指南。
暂无详细引脚数据： SP232ECT-L/TR.
请参阅 数据手册 以查看完整引脚配置。
典型应用
SP232ECT-L/TR 适用于 6 应用s: Industrial Serial Adapters, Point-of-Sale Equipment, Embedded Control Systems, Test and Measurement Instruments, Legacy Computer Peripherals, Communication Port Expansion.
Industrial Serial Adapters
SP232ECT-L/TR fits industrial serial adapters that need two RS-232 driver channels and two receiver channels from one 5 V interface IC. The verified 4.5 V to 5.5 V supply range supports regulated 5 V systems, while the 0 C to +70 C specification suits ordinary indoor equipment. Its RS-232D and ITU V.28 alignment makes it appropriate for legacy supervisory links, configuration ports, and service interfaces. Before release, verify exact driver levels, receiver thresholds, and external protection because those values are not present in the supplied data.
推荐
Point-of-Sale Equipment
The SP232ECT-L/TR is appropriate for point-of-sale peripherals that exchange serial commands with a host or printer. Two transmitters and two receivers provide the basic resources for full-duplex RS-232 communication, while the single +5 V supply simplifies integration into embedded control boards. The compact 16-SOIC package helps preserve PCB area compared with discrete driver and receiver stages. Verify cable length, grounding, and logic-level compatibility with the connected equipment before production.
推荐
Embedded Control Systems
Use SP232ECT-L/TR when an embedded controller needs a compact RS-232 port for programming, diagnostics, or a legacy peripheral link. The two-driver, two-receiver arrangement can support bidirectional communication without duplicating the interface IC, and the 4.5 V to 5.5 V operating range is compatible with a conventional 5 V rail. The 0 C to +70 C rating is adequate for many indoor control products but does not establish industrial extended-temperature qualification. Confirm the exact MCU UART voltage levels and board protection scheme.
推荐
Test and Measurement Instruments
SP232ECT-L/TR can support RS-232 control and status connections in test equipment where a compact 5 V interface is required. Its two receive channels can monitor commands and equipment responses, while two driver channels can support control outputs and acknowledgements. The verified RS-232 and V.28 family positioning is relevant for instrument compatibility, but the supplied data does not specify maximum data rate, slew rate, or receiver thresholds. Those limits must be checked in the exact datasheet for the intended baud rate and cable environment.
推荐
Legacy Computer Peripherals
The SP232ECT-L/TR is useful when adding or maintaining RS-232 connectivity for legacy printers, scanners, and computer peripherals. Its 2/2 transceiver arrangement can reduce the number of interface ICs on a board, and the 16-SOIC package is compatible with common surface-mount assembly practices. The device must be selected only after confirming the peripheral's voltage levels, handshake timing, connector pinout, and cable length. ESD protection helps with interface handling, but external surge protection may still be required.
推荐
Communication Port Expansion
A pair of RS-232 channels can expand serial connectivity on a controller board that already uses a UART for another function. SP232ECT-L/TR provides two drivers and two receivers in one 16-SOIC device, allowing separate transmit and receive paths or multiple endpoint assignments. Its single-supply operation simplifies power planning compared with dual-supply legacy transceivers. Engineers should account for RS-232 point-to-point topology, unused channel termination, connector grounding, and any system-level isolation or surge-protection requirements.
推荐
推荐产品汇总
工程参考数据： SP232ECT-L/TR ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | SP232ACT-L/TR | SP232ECT-L | SP232ECN-L/TR | SP232EEN-L/TR | MAX232CPE+ |
|---|---|---|---|---|---|---|
| Brand | MaxLinear, Inc. | MaxLinear, Inc. | MaxLinear, Inc. | MaxLinear, Inc. | MaxLinear, Inc. | Maxim Integrated |
| Package | 16-SOIC (SOIC16W) | SOIC16W | SOIC16W | SOIC16W | SOIC16W | SOIC16W |
| Tape and Reel Ordering | /TR | /TR | Base ordering code | /TR | /TR | CPE+ ordering code |
关键差异点
- Integrated two-channel RS-232 interface （对比 MAX232CPE+)
- Single 5 V supply operation （对比 SP232ECN-L/TR)
- ESD protection and commercial temperature positioning （对比 SP232EEN-L/TR)
设计说明
Place the SP232ECT-L/TR close to the RS-232 connector and route each driver and receiver path with a continuous ground reference. Keep the logic-side UART traces away from the connector-side nets to reduce crosstalk. Because the supplied data does not specify the exact external-capacitor requirement, follow the exact manufacturer datasheet for bypass placement and any charge-pump or receiver capacitors rather than assuming another MAX232-family layout.
Validate the complete signal path at the intended baud rate. RS-232 is a single-ended interface, so cable length, edge rate, loading, and grounding can affect receiver performance even when the IC is electrically correct. Use the verified 4.5 V to 5.5 V supply range and confirm that the connected UART logic levels are compatible. The supplied material does not provide maximum data rate or logic thresholds, so those values must be verified before release.
Do not substitute a part based only on the words RS-232 or the 16-SOIC label. Confirm the exact pin map, package width, lead pitch, supply range, ESD rating, temperature range, and ordering suffix. The supplied data supports the SP232ECT-L/TR identity and several family references, but it does not provide a complete exact pinout for every candidate. Use a manufacturer datasheet comparison before marking a replacement as drop-in.
合规信息
The SP232ECN-L/TR comparison result lists RoHS compliance for that related family comparison, while the target-specific supplied material does not provide complete target compliance documentation. REACH, lead-free, halogen-free, and conflict-minerals status are therefore unknown.
