MAX232DE4 - Dual RS-232 Transceiver, 5V, 16-SOIC | Texas Instruments
부품 번호: MAX232DE4 ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
MAX232DE4 개요
An RS-232 transceiver is an interface IC that translates low-voltage digital logic levels into RS-232 levels and converts incoming RS-232 signals back into TTL/CMOS levels. The MAX232 belongs to the interface IC hierarchy, where a transceiver integrates driver, receiver, and voltage-generation functions. It is commonly used in industrial control, data acquisition, embedded instrumentation, and legacy computer equipment.
The verified product information identifies the MAX232DE4 as a 2/2 full RS-232 transceiver in a 16-SOIC package. It operates from a single 4.5 V to 5.5 V supply and supports an operating temperature range of 0 C to 70 C. Additional verified features include operation to 120 kbit/s, low supply current, and ESD protection exceeding 2000 V under the cited JESD test condition.
The charge-pump circuit allows the device to generate positive and negative RS-232 levels from one low-voltage supply, avoiding a separate negative power rail. The dual-driver and dual-receiver organization supports two serial channels or a full-duplex link on one device. The receiver converts remote RS-232 signals into logic levels suitable for digital controllers, while the driver boosts local logic signals to RS-232 voltage levels.
Typical uses include RS-232 links in test equipment, serial adapters, industrial controllers, point-of-sale systems, and embedded measurement products. The 16-SOIC package supports conventional surface-mount PCB assembly. The verified commercial result lists the part with DigiKey, Mouser, Octopart, and other distributors, but the supplied data does not provide a current unit price or confirmed lead time.
For robust implementation, follow the manufacturer datasheet for capacitor selection, pin orientation, and signal-routing requirements. The MAX232DE4 is not a power semiconductor, so SOA data is not applicable. The product should be selected only where the 0 C to 70 C temperature range and the verified electrical limits match the target system requirements.
This page combines verified distributor and manufacturer-linked data with application guidance, design considerations, and a package-focused product summary for engineers evaluating RS-232 interface implementations.
드롭인 대체품: MAX232DE4 — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
MAX232DWR
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
MAX232IDR
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
MAX202IDG4
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
ST232CDR
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
ADM202JRWZ
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
MAX232DE4 사양
| Product Type | Dual RS-232 driver/receiver transceiver |
| Number of Drivers | 2 |
| Number of Receivers | 2 |
| Supply Voltage Range | 4.5 V to 5.5 V |
| 데이터 속도 | Up to 120 kbit/s |
| 동작 온도 범위 | 0 C to 70 C |
| Input Levels | Plus or minus 30 V maximum input levels |
| 공급 전류 | 8 mA typical |
| Charge-Pump Capacitors | 1.0 uF each, integrated charge-pump function |
| ESD Protection | Exceeds 2,000 V human-body protection under the cited JESD condition |
| 패키지 | 16-SOIC |
| 실장 유형 | Surface mount |
| Interface Standard | EIA/TIA-232-F |
| Receiver Logic Threshold | 1.3 V typical |
| Receiver Hysteresis | 0.5 V typical |
| Logic Compatibility | TTL/CMOS |
| ESD Standard Reference | JESD-2000-V human-body condition as cited in the supplied search data |
| RoHS 상태 | unknown |
| REACH Status | unknown |
| AEC-Q100 Qualification | unknown |
| Lead-Free Status | unknown |
MAX232DE4 16-soic 핀 구성 가이드
MAX232DE4(16-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: MAX232DE4.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
MAX232DE4 적합 용도: 6 애플리케이션s: Industrial Serial Control, Test and Measurement Equipment, Legacy Computer Serial Ports, Data Acquisition Systems, Embedded Service Interfaces, Point-of-Sale and Commercial Equipment.
Industrial Serial Control
MAX232DE4 is suitable for linking a 5 V embedded controller to an RS-232 equipment interface. Its verified 4.5 V to 5.5 V single-supply operation removes the need for a separate negative logic-side rail, while the integrated charge-pump function generates the bipolar levels required by the RS-232 line. With two drivers and two receivers, the device can support two channels or a full-duplex link. The 120 kbit/s capability covers many conventional industrial control and configuration ports. Design the external capacitor network, grounding, and connector protection according to the manufacturer datasheet, especially when cables leave the enclosure.
추천
Test and Measurement Equipment
MAX232DE4 can provide the physical RS-232 layer for test instruments, bench controllers, and legacy data-acquisition systems. A local UART produces TTL/CMOS signals that the two drivers convert to RS-232 levels, while the receivers return remote serial commands and measurements to the controller. The 16-SOIC package is practical for compact surface-mount designs, and the single 5 V supply simplifies system power planning. For exposed instrument ports, add appropriate connector-level protection and route the interface away from noisy analog and switching sections to reduce ground-bounce and cable-induced errors.
추천
Legacy Computer Serial Ports
MAX232DE4 is appropriate for connecting modern low-voltage logic to legacy RS-232 equipment such as printers, service consoles, and configuration ports. The two drivers support outbound RS-232 signaling, while the two receivers recover incoming signals for the host controller. The verified 0 C to 70 C range suits ordinary office and commercial environments, but it should not be assumed suitable for automotive or extended-temperature use. Confirm the connector pinout, signal polarity, cable length, and ground reference at the system level before production deployment.
추천
Data Acquisition Systems
MAX232DE4 can connect a measurement controller or data-logging instrument to a remote RS-232 sensor, analyzer, or service interface. The receiver path converts incoming RS-232 levels to logic-compatible signals, while the driver path provides command transmission. The 120 kbit/s rate is suitable for many low-to-moderate-rate serial acquisition links, although actual throughput depends on the UART settings and protocol overhead. Use a low-impedance ground connection, keep the RS-232 trace away from sensitive analog nodes, and validate cable behavior before relying on long-distance communication.
추천
Embedded Service Interfaces
MAX232DE4 is useful when an embedded system needs a maintenance or configuration port rather than a continuous high-speed communications link. A UART can use one driver and one receiver for a full-duplex service channel, while the remaining driver and receiver can support a second channel. The single-supply architecture helps reduce power-tree complexity compared with implementations requiring external level conversion and a negative rail. Because the verified temperature range is 0 C to 70 C, specify an enclosure within that range or select an alternative device with a wider temperature grade if environmental requirements are more severe.
추천
Point-of-Sale and Commercial Equipment
MAX232DE4 can support serial accessories, printers, scanners, and service terminals in commercial equipment. The two-driver, two-receiver arrangement allows multiple RS-232 lines to share one compact 16-SOIC device, reducing board area compared with separate single-channel transceivers. Its 4.5 V to 5.5 V supply range aligns with many embedded platforms, and the 120 kbit/s capability matches numerous peripheral ports. A production design should still include correct charge-pump capacitors, controlled ground return, connector shielding, and protection appropriate to the expected cable length and user-accessible environment.
추천
추천 제품 요약
엔지니어링 참조 데이터: MAX232DE4 — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | MAX232DWR | MAX232IDR | MAX202IDG4 | ST232CDR | ADM202JRWZ |
|---|---|---|---|---|---|---|
| Package | 16-SOIC | 16-SOIC | 16-SOIC | 16-SOIC | 16-SOIC | 16-SOIC |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | STMicroelectronics | Analog Devices |
주요 차별점
- Single 5 V supply architecture (vs MAX232DWR)
- Dual driver and dual receiver organization (vs MAX202IDG4)
- 120 kbit/s verified operating capability (vs ADM202JRWZ)
- Verified commercial and temperature positioning (vs ST232CDR)
설계 노트
Design the MAX232DE4 power rail for the verified 4.5 V to 5.5 V single-supply range and keep the charge-pump capacitor connections as close as practical to the device pins. Use a stable, low-impedance supply and verify the external capacitor values and polarity against the manufacturer datasheet. Decouple the supply locally to reduce noise coupled into the RS-232 receiver threshold.
Place the charge-pump capacitors and supply bypass components close to their associated MAX232DE4 pins. Route the two RS-232 driver and receiver nets according to the official pinout, keep the connector-side return path continuous, and avoid sharing narrow ground traces with sensitive analog or switching currents. Confirm the SOIC orientation and pin-1 marking during assembly planning.
Do not select a substitute solely because it is labeled RS-232 or has 16 pins. Verify pin assignments, supply range, charge-pump capacitor topology, receiver thresholds, operating temperature, and data rate against the original design. Also distinguish the verified MAX232DE4 0 C to 70 C range from wider industrial or automotive grades, and add external connector protection for exposed cables.
규정 준수 정보
The supplied search data does not provide verified RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements for MAX232DE4. ESD protection exceeding 2,000 V under the cited JESD condition is a device protection specification, not a material-compliance claim.
