SN75176ADR - RS-422/RS-485 Differential Bus Transceiver | Texas Instruments
부품 번호: SN75176ADR ✓ 활성SN75176ADR 개요
드롭인 대체품: SN75176ADR — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: SN75176ADR (동일 폼 팩터 및 풋프린트) — 차이점: Product Type, Driver Output State, Operating Temperature Range, Package, Receiver Output State.
SN75176BDR
✅ 드롭인가격 문의
데이터시트 보기 →SN75176BDRG4
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
SN75176ADE4
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
DS75176BTM
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
MAX485EESA+
✅ 드롭인가격 문의
데이터시트 보기 →LTC485
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
SN75176ADR 사양
| Product Type | Differential bus transceiver |
| Supported Interface | RS-422 and RS-485 |
| Supply Voltage Range | 4.75 V to 5.25 V |
| 패키지 | 8-pin SOIC |
| 핀 수 | 8 pins |
| 실장 유형 | Surface Mount |
| Communication Mode | Bidirectional |
| Bus Topology | Multipoint transmission |
| Transmission Line Type | Balanced transmission lines |
| Driver Output State | 3-state output |
| Receiver Output State | 3-state output |
| Noise Environment | Designed for long bus lines in noisy environments |
| ANSI Standard | ANSI Standard EIA/TIA-422-B |
| ITU Recommendation | ITU Recommendation V.11 |
| Unit Price at Quantity 1 | USD 0.4602 as of 2026-10-29 |
SN75176ADR 8-pin soic 핀 구성 가이드
SN75176ADR(8-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: SN75176ADR.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
SN75176ADR 적합 용도: 6 애플리케이션s: Industrial RS-485 Field Bus, RS-422 Point-to-Point Communication, Data Acquisition and Instrumentation, Factory Automation Equipment, Building and HVAC Control Networks, Telecom and Power-Monitoring Equipment.
Industrial RS-485 Field Bus
The SN75176ADR fits industrial RS-485 field-bus nodes because it provides bidirectional differential signaling, 3-state driver and receiver outputs, and operation from a 4.75 V to 5.25 V supply in an 8-pin SOIC package. Place the transceiver at the bus interface between a controller UART and a twisted-pair network so that common-mode industrial noise is rejected by the differential receiver. The 3-state driver is useful when several nodes share a multidrop bus because only one node should transmit at a time. Designers should verify the exact maximum data rate, bus common-mode range, termination, fail-safe biasing, and isolation requirements in the manufacturer datasheet.
추천
RS-422 Point-to-Point Communication
The SN75176ADR can support RS-422 point-to-point links because its differential driver and receiver operate on balanced transmission lines and the verified product information cites ANSI EIA/TIA-422-B and ITU V.11 requirements. Use the device when a controller needs a robust, noise-resistant serial connection over a longer cable run than an ordinary single-ended UART interface provides. The 4.75 V to 5.25 V operating range suits 5 V embedded systems. Confirm the required data rate and receiver sensitivity from the official datasheet, and use termination appropriate to the selected transmission-line topology.
추천
Data Acquisition and Instrumentation
SN75176ADR is appropriate for data-acquisition equipment that connects a controller to remotely located sensors or laboratory instruments over a balanced bus. The differential receiver helps reject common-mode disturbance, while the bidirectional architecture supports command and response traffic on the same physical bus. Its 8-pin SOIC package is practical for compact instrumentation and allows the transceiver to be placed close to the connector and protection components. The verified data does not specify data rate or common-mode limits, so system designers must confirm those values before defining cable length, protection, grounding, or isolation requirements.
추천
Factory Automation Equipment
The SN75176ADR supports factory-automation equipment that links PLCs, motor controllers, sensors, and remote I/O over an RS-485 network. Differential signaling is valuable in factories where motors, relays, and switching supplies can inject noise onto wiring, and the transceiver’s 3-state outputs help avoid bus contention when multiple nodes share the line. The verified 4.75 V to 5.25 V supply range and 8-pin SOIC package support conventional embedded hardware. Validate the bus topology, driver-enable sequence, termination, surge protection, and electrical-isolation strategy against the actual factory wiring and safety requirements.
추천
Building and HVAC Control Networks
The SN75176ADR can be used in building-control and HVAC systems where a central controller communicates with distributed thermostats, actuators, and environmental sensors. A balanced differential bus helps maintain data integrity across building wiring, especially where fluorescent lighting, relays, and variable-speed equipment create electrical noise. The transceiver’s 8-pin SOIC footprint simplifies integration into compact controller boards, while its 4.75 V to 5.25 V supply aligns with common 5 V control electronics. The design must still address bus grounding, cable length, surge events, termination, and any need for galvanic isolation across building zones.
추천
Telecom and Power-Monitoring Equipment
SN75176ADR is suitable for remote monitoring equipment that uses an RS-422 or RS-485 balanced link to exchange status, measurement, and configuration data. Its 3-state driver and receiver outputs allow bus sharing, and the SOIC-8 package supports dense control boards where space is limited. In power-monitoring installations, differential signaling helps maintain communication integrity between separated equipment and reduces sensitivity to differences in ground potential. Because the verified data does not state the maximum data rate, common-mode voltage range, or isolation withstand voltage, the final design must be checked against the installation environment and protected with appropriately rated surge and isolation components.
추천
추천 제품 요약
엔지니어링 참조 데이터: SN75176ADR — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | SN75176BDR | SN75176BDRG4 | MAX485 |
|---|---|---|---|---|
| Package | SOIC-8 | SOIC-8 | SOIC-8 | SOIC-8 - verify manufacturer ordering code |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Maxim Integrated |
| Device Type | RS-422/RS-485 differential transceiver | SN75176-family differential transceiver | SN75176-family differential transceiver | RS-485 transceiver |
| Bidirectional Communication | Yes | Yes | Yes | Yes |
| Bus Topology | Multipoint transmission | Multipoint transmission | Multipoint transmission | RS-485 multidrop bus |
| Transmission Line | Balanced differential line | Balanced differential line | Balanced differential line | Balanced differential line |
주요 차별점
- Single IC combines bidirectional driver and receiver (vs SN75176BDR)
- 5 V supply operation for embedded RS-485 nodes (vs MAX485)
- 3-state outputs support shared multidrop buses (vs SN75176BDRG4)
설계 노트
Place the SN75176ADR close to the bus connector and place protection components between the connector and transceiver pins. Keep the differential pair routed as a closely coupled pair with a continuous ground reference where appropriate. The verified data identifies the SOIC-8 package and balanced transmission-line operation, but it does not provide a manufacturer-recommended PCB layout, so follow the latest TI datasheet and application guidance for the final board.
The verified operating range is 4.75 V to 5.25 V, so the transceiver must be supplied from a regulated 5 V rail within that range. Decouple the supply close to the device and avoid sharing long supply-current paths with noisy switching stages. Confirm the absolute maximum ratings, input thresholds, and output load limits from the official datasheet before connecting a new bus because those values are not included in the verified excerpts.
Do not enable the SN75176ADR driver on multiple nodes simultaneously when they share an RS-485 bus, because contention can corrupt communication and increase current. Use the driver-enable and receiver-enable controls to establish a single active transmitter, and ensure the receiver enable polarity matches the system logic. The verified data confirms 3-state driver and receiver outputs but does not specify the control-pin polarity, so verify it in the manufacturer pinout and logic diagrams.
Use twisted-pair cabling for the RS-485 or RS-422 connection and apply termination only at the physical ends of the bus. Bias the bus so that it has a defined state when all drivers are disabled. The termination and bias values are not present in the verified source data, so derive them from the selected baud rate, cable impedance, topology, and transceiver requirements rather than copying values from an unrelated design.
Differential signaling does not remove the need for grounding and surge protection. Ground-potential differences, lightning exposure, and industrial transients can exceed a transceiver’s common-mode limits even when the data signal is balanced. Add appropriately rated protection, consider galvanic isolation for long external cables, and verify the SN75176ADR’s absolute maximum and common-mode ratings against the installation environment before production release.
규정 준수 정보
The supplied verified web results mention RoHS and REACH in comparison pages but do not provide an authoritative compliance statement for SN75176ADR. Compliance values therefore remain unknown pending confirmation on the official TI product page or manufacturer documentation.
