SP232AEN-L - 120kbps RS-232 Transceiver | MaxLinear
부품 번호: SP232AEN-L ✗ 단종| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $0.6823 | $0.68 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
SP232AEN-L 개요
An RS-232 transceiver is an interface IC that translates between CMOS/TTL logic and balanced, bipolar RS-232 signal levels. It belongs to the line-driver and receiver hierarchy, within interface ICs and serial-interface devices. The transmitter converts low-voltage digital signals into RS-232 levels, while the receiver converts incoming RS-232 levels back into logic-compatible signals. This bidirectional level translation allows equipment such as test instruments, industrial controllers, and computer peripherals to communicate over longer cable runs than ordinary CMOS signals support.
The SP232AEN-L provides two transmit and two receive functions in one package, reducing board area compared with discrete line-driver and receiver solutions. Its 120 kbps maximum data rate is suitable for moderate-speed serial links, while the single 5 V supply simplifies system power design. The datasheet also specifies a 10 V/us slew rate, which helps control transition behavior on the RS-232 output. The -L ordering suffix and 16-pin SOIC package are identified in distributor results, while exact marking, tape-and-reel, and lead-free details should be confirmed against the manufacturer documentation.
The SP232A family is described by MaxLinear as pin-to-pin compatible with popular industry-standard pinouts and as a replacement for earlier SP231, SP232, and SP233 versions. The verified comparison data references SP232ECN-L and SP232EET, but their manufacturer, package details, and full electrical parameters are not fully supplied here. The datasheet snippet specifically reports enhanced ESD capability of +/-15 kV using the IEC 61000-4-2 model and +/-15 kV using the Human Body Model, but the applicable test conditions and exact device suffix should be checked in the datasheet.
Typical applications include RS-232 links in industrial controllers, test and measurement equipment, serial adapters, instrumentation, and embedded systems that require more than one serial channel. The 16-pin SOIC package is easy to route on conventional through-hole-compatible PCB land patterns, provided the exact pin assignment and exposed-pad status are confirmed. Designers should provide the specified 0.1 uF charge-pump capacitors close to the associated pins and maintain adequate signal-return and cable shielding practices.
For new designs, verify supply tolerances, receiver thresholds, driver output levels, ESD requirements, and channel direction against the complete manufacturer datasheet before release. Do not infer that every similarly named SP232 variant is interchangeable without checking the exact pinout, package, temperature rating, and electrical limits.
드롭인 대체품: SP232AEN-L — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: SP232AEN-L (동일 폼 팩터 및 풋프린트) — 차이점: ESD Protection, Supply Voltage.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
SP232ECN-L
✅ 드롭인✓ 재고 있음
가격 문의
데이터시트 보기 →SP232EET
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
SP232AEN-L 사양
| Product Type | RS-232 line transceiver |
| Transmit Channels | 2 |
| Receive Channels | 2 |
| 공급 전압 | 5 V single supply |
| Maximum Data Rate | 120 kbps under load |
| RS-232 Output Levels | +/-6.5 V regulated charge-pump output |
| Slew Rate | 10 V/us |
| Charge-Pump Capacitors | 0.1 uF ceramic type |
| 동작 온도 범위 | -40 C to 85 C |
| ESD Protection | +/-15 kV IEC 61000-4-2 and/or +/-15 kV HBM |
| Protocols | RS-232 and V.28 |
| 패키지 | 16-pin SOIC |
| 실장 유형 | Surface Mount |
| Pin Compatibility | Pin-to-pin compatible with popular industry-standard pinouts |
| Design Compatibility | Pin-for-pin replacement for earlier SP231, SP232, and SP233 versions |
| Application Class | Commercial and industrial RS-232 interface |
SP232AEN-L 16-pin soic 핀 구성 가이드
SP232AEN-L(16-pin soic 패키지)의 핀 구성입니다. 핀 번호, 기능, 연결 다이어그램은 제조사 데이터시트에 정의되어 있습니다. 정확한 풋프린트와 솔더링 지침은 해당 문서를 참조하십시오.
다음에 대한 상세 핀아웃 데이터 없음: SP232AEN-L.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
SP232AEN-L 적합 용도: 6 애플리케이션s: Industrial Serial Controllers, Test and Measurement Equipment, Serial Adapters and Peripheral Equipment, Instrumentation Data Acquisition, Embedded Service and Configuration Interfaces, Industrial Communication Hubs.
Industrial Serial Controllers
The SP232AEN-L fits industrial controllers that need more than one RS-232 channel on a 5 V supply. Two transmitters can drive separate external ports, while two receivers can monitor incoming command or status lines, reducing the need for additional discrete interface ICs. Its 120 kbps rate under load is suitable for moderate-speed control traffic, while the -40 C to 85 C rating covers a broad industrial temperature span. The 0.1 uF ceramic charge-pump capacitors should be placed close to the designated pins, and the exact channel directions must follow the datasheet pinout.
추천
Test and Measurement Equipment
Test instruments often need reliable RS-232 connections to legacy computers, printers, and service equipment. The SP232AEN-L provides two transmit and two receive channels, allowing one instrument to report results while receiving commands on separate lines. Its single 5 V supply simplifies integration with digital control logic, and the 120 kbps rate under load supports many instrument-control protocols. Designers should account for cable capacitance, receiver loading, grounding, and protection at the connector because the component-level data rate does not eliminate the limitations of long RS-232 cables.
추천
Serial Adapters and Peripheral Equipment
The SP232AEN-L is appropriate for compact serial adapters and legacy peripherals that need bidirectional RS-232 level translation. Its 16-pin SOIC package helps reduce board area compared with separate line-driver and receiver packages, while the two-channel architecture can support two ports or split control and data traffic. The 5 V single-supply operation is convenient for systems that already operate from regulated 5 V. Use the manufacturer pinout and capacitor placement guidance exactly, and confirm that the downstream connector, cable, and ground-return design meet the system interface requirements.
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Instrumentation Data Acquisition
Instrumentation systems can use the SP232AEN-L to connect a controller or data-acquisition board to older RS-232 instruments. The dual transmit and dual receive arrangement supports command transmission and response monitoring without requiring four separate physical interface functions. The 120 kbps under-load rate is useful for many low-to-moderate-bandwidth serial protocols, but sample rates and burst traffic must remain within the complete timing and receiver specifications. Provide local charge-pump capacitors, maintain a solid ground reference, and use suitable connector protection for cables leaving the enclosure.
추천
Embedded Service and Configuration Interfaces
The SP232AEN-L can provide a service port for embedded equipment that must accept configuration commands or transmit diagnostic data. Two receiver channels can monitor handshake or status inputs, while two transmitter channels can support data and control signaling. Its single 5 V architecture aligns with many embedded boards and its -40 C to 85 C range supports wider enclosure environments than a consumer-only part. Designers should verify logic thresholds, input tolerances, and exact pin directions in the MaxLinear datasheet because host voltage levels and alternate modes may differ from standard 5 V CMOS.
추천
Industrial Communication Hubs
A small communication hub or protocol bridge can use the SP232AEN-L when two RS-232 links must share a common control board. The integrated 2-TX/2-RX arrangement reduces component count and helps keep the 5 V interface section compact. At 120 kbps under load, it can support many configuration and status protocols, but a hub must separately manage direction control, bus contention, termination, and isolation. The part does not provide galvanic isolation; if the RS-232 cable leaves the enclosure, add the required protection and grounding strategy.
추천
추천 제품 요약
엔지니어링 참조 데이터: SP232AEN-L — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
주요 차별점
- Two transmit and two receive channels in one interface IC (vs SP232ECN-L)
- Single 5 V supply with regulated charge-pump outputs (vs SP232EET)
- 120 kbps data rate under load (vs SP232ECN-L)
설계 노트
Place the specified 0.1 uF ceramic charge-pump capacitors as close as practical to the pins identified in the MaxLinear SP232A datasheet. Keep the charge-pump loop compact and follow the datasheet ground connection to minimize switching-current paths. Because the supplied data does not include the complete pin table, do not assign capacitor pins by inference; verify the package drawing and pinout before fabrication.
Route the two RS-232 receive channels away from high-current switching nodes and keep the ground reference continuous beneath the interface section. The verified 120 kbps under-load rate is not a guarantee that every cable length or capacitive loading will work reliably. Terminate only as required by the system interface specification, maintain a common signal ground, and validate edge behavior with the longest intended cable.
Do not treat the target SP232AEN-L and the distributor-listed SP232AEN-L/TR as automatically identical without checking the manufacturer ordering table. Also confirm the exact SOIC package, pin compatibility, supply limits, and temperature suffix before substitution. The comparison results mention SP232ECN-L and SP232EET, but the supplied data does not establish either as a production drop-in replacement.
Use a controlled ground and return path between the circuit board and the RS-232 connector. If the cable leaves the equipment enclosure, evaluate connector protection, shield termination, and ESD requirements separately from the IC rating. The verified datasheet information cites +/-15 kV IEC 61000-4-2 and/or +/-15 kV HBM capability, but the exact test conditions and whether that rating applies to every exposed pin must be confirmed in the datasheet.
규정 준수 정보
The verified material describes commercial ruggedness and ESD test references, but does not provide RoHS, REACH, lead-free, halogen-free, conflict-minerals, or automotive qualification declarations. ESD values are retained as technical claims, not a complete compliance certification.