SP3232EA-L - 16-SSOP 120kbps RS-232 Transceiver | Sipex
部品番号: SP3232EA-L ✗ 生産終了| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $0.273 | $0.27 |
| 10 | $0.273 | $2.73 |
| 100 | $0.273 | $27.30 |
| 500 | $0.273 | $136.50 |
| 1,000 | $0.273 | $273.00 |
SP3232EA-L 概要
An RS-232 transceiver is an interface IC that combines a differential line driver and receiver with the voltage-level conversion required by the RS-232 standard. In the broader electronics hierarchy, it belongs to communication interfaces, then interface ICs, and finally semiconductor signal-conditioning devices. The SP3232EA series was designed for notebook, palmtop, and other portable applications where a compact interface must translate low-voltage logic signals to and from RS-232 levels.
Key documented features include a +3.0 V to +5.5 V operating supply range, operation down to +2.7 V power-source conditions according to the retrieved technical listing, minimum 120 kbps data rate under full load, and enhanced ESD specifications of ±15 kV. The SP3232E family uses a high-efficiency charge-pump power supply with 0.1 µF capacitors in 3.3 V operation, helping the interface generate the bipolar RS-232 voltage levels required by the standard while reducing external capacitor count.
The retrieved datasheet material identifies the SP3222E/SP3232E family as an RS-232 transceiver solution for portable or hand-held equipment. The SP3232EA-L designation identifies the specific -L ordering variant, while the underlying family documentation supplies the electrical operating information. Exact pin names, package dimensions, receiver propagation delay, transmitter output levels, and absolute maximum ratings should be confirmed against the applicable Sipex or MaxLinear datasheet before layout release.
Typical applications include RS-232 links in portable computers, serial adapters, embedded serial consoles, battery-powered instruments, and industrial equipment requiring a low-voltage logic interface to a legacy RS-232 port. In a portable design, the receiver can remain active during shutdown if the system must detect a remote signal while reducing transmitter power. In a cable-connected instrument, the charge pump and external capacitors should be placed close to the device to minimize switching noise and maintain signal integrity.
The main design consideration is confirming that the selected SSOP footprint, pinout, supply voltage, and logic levels match the PCB before substitution. For a production release, verify ESD protection requirements, cable protection, grounding, and the exact electrical limits from the official manufacturer datasheet rather than relying only on distributor summaries. This page combines retrieved manufacturer-family information, distributor links, and engineering guidance while clearly identifying data that still requires datasheet confirmation.
ドロップイン代替品: SP3232EA-L — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: SP3232EA-L （同一形状・フットプリント） — 相違点: Data Rate, ESD Protection, Product Type, Package, Operating Temperature.
クイック比較ツール — 並列比較する代替部品を選択:
SP3232EEA-L
✅ ドロップイン📋 参考代替品（カタログ未掲載）
SP3232ECA-L
✅ ドロップイン📋 参考代替品（カタログ未掲載）
MAX3232CD
✅ ドロップイン✓ 在庫あり
$0.7831 / 個
データシートを見る →MAX232DG4
✅ ドロップイン✓ 在庫あり
価格はお問い合わせください
データシートを見る →MAX3221EAE+
✅ ドロップイン✓ 在庫あり
$2.52 / 個
データシートを見る →SP3232EA-L 仕様
| Product Type | RS-232 transceiver IC |
| Transmitter and Receiver Configuration | 1 transmitter and 1 receiver |
| Supply Voltage Range | +3.0 V to +5.5 V |
| Low-Voltage Interoperability | RS-232 interoperable down to +2.7 V power source |
| データレート | Minimum 120 kbps under full load |
| Standard Compliance | True EIA/TIA-232-F standards |
| Shutdown Feature | 1 µA low-power shutdown with receivers active (SP3222) |
| Enhanced ESD Specifications | ±15 kV |
| Charge-Pump Operation | High-efficiency charge-pump power supply |
| External Capacitor Requirement | 0.1 µF capacitors in 3.3 V operation |
| Nominal Package | 16-SSOP |
| 実装タイプ | Surface mount |
SP3232EA-L 16-ssop ピン配置ガイド
SP3232EA-L (16-ssop パッケージ) のピン配置。 ピン番号、機能、接続図はメーカーのデータシートで定義されています。正確なフットプリントとはんだ付けのガイドラインについては、データシートを参照してください。
詳細なピン配置データはありません: SP3232EA-L.
詳細は データシート をご参照ください。
主な用途
SP3232EA-L の用途: 6 件s: Portable Computer Serial Port, Embedded RS-232 Debug Console, Battery-Powered Serial Adapter, Industrial Serial Instrument, RS-232-to-Logic Test Adapter, Handheld Data Terminal Interface.
Portable Computer Serial Port
The SP3232EA-L fits a compact RS-232 port on a portable computer or handheld service device because it combines one transmitter, one receiver, and a charge-pump supply in a 16-SSOP package. Its +3.0 V to +5.5 V supply range supports low-voltage embedded systems, while the minimum 120 kbps data rate is suitable for conventional serial links. The retrieved documentation specifically identifies notebook and palmtop computers as target applications. Designers should still place the specified 0.1 µF charge-pump capacitors close to the device and verify the exact package pinout before layout release.
おすすめ
Embedded RS-232 Debug Console
The SP3232EA-L is suitable for connecting a low-voltage embedded controller to a legacy RS-232 debug console when the target supports at least 120 kbps. Its true EIA/TIA-232-F interface behavior and +3.0 V to +5.5 V supply range provide a compact bridge between modern logic levels and a cable-based serial port. The charge-pump architecture reduces the external capacitor requirement to 0.1 µF in 3.3 V operation according to the retrieved family documentation. Confirm connector pinout, cable length, ground continuity, and protection requirements for the deployed environment.
おすすめ
Battery-Powered Serial Adapter
The SP3232EA-L can be used in a battery-powered serial adapter where the host operates from a low-voltage rail and the RS-232 link must remain physically robust. The documented +3.0 V to +5.5 V range is compatible with common embedded supply systems, and the device provides a minimum 120 kbps data rate under full load. For low-power designs, verify whether the exact -L variant supports the family shutdown options before assigning the enable or shutdown function. The interface should be paired with an appropriate low-power UART and connector protection.
おすすめ
Industrial Serial Instrument
The SP3232EA-L is appropriate for industrial serial instruments that expose a service or configuration port through RS-232. The interface’s true EIA/TIA-232-F behavior and minimum 120 kbps rate support conventional control and diagnostic links, while the 16-SSOP package helps preserve board area. Use the device’s ESD capability as part of the system design, not as a substitute for connector-level protection. Verify operating temperature, receiver thresholds, and absolute maximum ratings from the official datasheet because those values were not available in the retrieved snippets.
おすすめ
RS-232-to-Logic Test Adapter
The SP3232EA-L can form the electrical interface section of a small RS-232-to-logic test adapter used for bring-up and service diagnostics. Its single transmitter and receiver provide the basic bidirectional signal conversion, while the charge-pump supply supports operation from +3.0 V to +5.5 V. The documented minimum 120 kbps rate is useful for common UART test traffic, but cable integrity and signal-return paths remain external concerns. A test adapter should include defined connector protection, accessible test points, and a verified ground arrangement.
おすすめ
Handheld Data Terminal Interface
The SP3232EA-L matches handheld data terminals that need a wired RS-232 link without allocating a large connector or discrete level-shifter area. The retrieved documentation explicitly describes the SP3232E family as intended for portable and hand-held applications. Its compact 16-SSOP construction integrates the line driver, receiver, and charge-pump functions, while the +3.0 V to +5.5 V range supports compact system rails. Validate battery-life impact, shutdown behavior, and connector ESD requirements using the exact ordering-variant datasheet before production.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: SP3232EA-L — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | SP3232EEA-L | SP3232ECA-L | MAX3232CD | MAX232DG4 | MAX3221EAE+ |
|---|---|---|---|---|---|---|
| Brand | Sipex | MaxLinear | MaxLinear | Maxim Integrated | Maxim Integrated | Maxim Integrated |
主な差別化要因
- Documented true RS-232 operation from a 3.0 V to 5.5 V supply （vs SP3232EEA-L)
- Minimum 120 kbps operation under full load （vs SP3232ECA-L)
- Enhanced ESD specification （vs MAX3232CD)
- Low-voltage charge-pump implementation （vs MAX232DG4)
設計ノート
Use the manufacturer’s exact SSOP footprint and pin numbering before routing the PCB. The retrieved material does not provide a safe pin-by-pin diagram for SP3232EA-L, so do not infer connections from package size or family naming. Place the 0.1 µF charge-pump capacitors specified for 3.3 V operation close to the relevant device pins, and route the RS-232 connector interface with a continuous ground reference. Verify all dimensions against the official package drawing before fabrication.
Design the SP3232EA-L supply rail for the documented +3.0 V to +5.5 V range and provide local decoupling close to the device. The charge-pump supply generates the bipolar voltage required for RS-232 signaling, so supply and capacitor placement directly affect signal quality. Check startup, current consumption, and capacitor tolerance against the exact manufacturer datasheet rather than relying on the SP3222 or SP3232E family summary alone.
Do not assume that every SP3232E, SP3222E, SP3232EEA-L, or SP3232ECA-L variant has identical shutdown behavior, pin functions, or absolute maximum ratings. The retrieved shutdown claim specifically references the SP3222 variant, while the supplied alternatives are comparison candidates rather than confirmed drop-ins. Before replacing SP3232EA-L, compare the official pin tables, supply limits, receiver thresholds, data-rate conditions, ESD ratings, and charge-pump capacitor values.
コンプライアンス情報
The supplied search snippets do not provide verified RoHS, REACH, lead-free, halogen-free, or conflict-minerals status for SP3232EA-L. AEC-Q100 is not applicable to this general-purpose interface IC based on the supplied category and data.
