MAX3076EESD+T - 16Mbps RS-485/RS-422 3.3V Transceiver
料号： MAX3076EESD+T ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $2.3138 | $2.31 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
MAX3076EESD+T 概述
An RS-485/RS-422 transceiver is an interface IC that converts logic-level signals into balanced differential bus signals and converts received differential signals back into CMOS-compatible logic. These differential interfaces belong to the broader wired-communication and interface-IC hierarchy. Their common-mode rejection and balanced signaling improve noise immunity over longer cables compared with single-ended interfaces, particularly in industrial environments containing motors, relays, and switching equipment.
Key features of the MAX3076EESD+T include ±15 kV ESD protection, fail-safe receiver outputs that remain logic-high when inputs are open or shorted, and hot-swap support for connection to an active bus. The 16 Mbps maximum data rate supports both high-speed point-to-point RS-422 links and moderately high-speed RS-485 networks. The 14-pin narrow SOIC is a surface-mount package suitable for compact, space-constrained equipment.
The MAX3070E through MAX3079E family provides closely related interface options. According to the Analog Devices product page, these 3.3 V devices feature one driver, one receiver, fail-safe circuitry, and ESD protection. Exact propagation-delay, receiver-threshold, and driver-loading values must be confirmed against the manufacturer datasheet before high-speed or network-specific design signoff.
Typical uses include industrial sensor networks, building-automation equipment, motor-control interfaces, data-acquisition equipment, and isolated or non-isolated telemetry links. For RS-485 multidrop networks, biasing, termination, cable length, and topology must be engineered for the intended data rate. The 3.3 V supply also simplifies connection to low-voltage processors, FPGAs, and transceivers.
Designers should protect the bus pins with an appropriate surge and ESD strategy, provide adequate supply decoupling, and verify receiver thresholds when nodes may be disconnected. A 120-ohm termination resistor is commonly used at appropriate cable ends, but its use depends on topology, cable impedance, and signal integrity testing. Hot-swap support does not remove the need for controlled bus connection.
This page consolidates verified distributor data, manufacturer information, same-family alternatives, and practical RS-485 design guidance. It helps engineers compare replacement options while preserving the important distinctions among package, data rate, protection, and bus behavior.
直接替换替代料： MAX3076EESD+T ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： MAX3076EESD+T （相同外形与封装尺寸） ——差异在于 Package, ESD Protection, Fail-Safe Receiver, RoHS Status, Supply Voltage Range.
快速对比工具——选择替代料号进行并排对比：
MAX3076EESD
✅ 直接替换📋 参考替代料（不在目录中）
MAX3078EESA+
✅ 直接替换✓ 有现货
$4.65 / 个
查看数据手册 →ADM3076EYRZ
✅ 直接替换📋 参考替代料（不在目录中）
ISL83072EIUZA
✅ 直接替换✓ 有现货
$1.45 / 个
查看数据手册 →ISL83076EIBZA-T
✅ 直接替换📋 参考替代料（不在目录中）
MAX3076EESD+T 规格参数
| Product Type | RS-485/RS-422 transceiver |
| Supply Voltage Range | 2.97 V to 3.63 V |
| Maximum Data Rate | 16 Mbps |
| Driver Count | 1 |
| Receiver Count | 1 |
| ESD Protection | ±15 kV |
| Fail-Safe Receiver | Yes; logic-high output when receiver inputs are open or shorted |
| Hot-Swap Support | Yes |
| Interface Standards | RS-485 and RS-422 |
| 封装 | 14-pin narrow SOIC, 3.90 mm width |
| 安装类型 | Surface mount |
| RoHS 状态 | unknown |
| AEC-Q100 Qualification | not_applicable |
MAX3076EESD+T 14-pin narrow soic, 3.90 mm width 引脚配置指南
MAX3076EESD+T（14-pin narrow soic, 3.90 mm width 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： MAX3076EESD+T.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MAX3076EESD+T 适用于 7 应用s: Industrial Sensor Networks, Building Automation Equipment, Data Acquisition Systems, Motor Control and Factory Communication, Embedded 3.3 V Telemetry Links, Motor-Control Communication Buses, Instrumentation and Test Equipment.
Industrial Sensor Networks
MAX3076EESD+T fits industrial sensor networks that use a 3.3 V controller and balanced RS-485 communication. Its one-driver/one-receiver arrangement supports a point-to-point link or a properly designed multidrop bus, while the verified 16 Mbps maximum data rate allows short, high-speed links. Fail-safe receiver operation helps maintain a defined logic state when a sensor node is disconnected or a cable fault occurs. Place the transceiver near the connector, provide local supply decoupling, and use the manufacturer’s recommended bus termination and biasing network.
推荐
Building Automation Equipment
The MAX3076EESD+T is appropriate for building-automation controllers, room modules, and HVAC equipment that expose an RS-485 bus at 3.3 V. Its 14-pin narrow SOIC package helps conserve board area, while ±15 kV ESD protection supports reliable operation near cables and connection points. Fail-safe receiver behavior is useful when remote modules are added or removed. The designer should still select proper surge protection, define grounding and cable routing, and verify the temperature and protection requirements for the installation environment.
推荐
Data Acquisition Systems
Use the MAX3076EESD+T when a data-acquisition unit must communicate with remote sensors or instrumentation over RS-422 or RS-485. The 3.3 V supply range aligns with embedded processors, and the verified 16 Mbps capability supports short links carrying bursty measurement data. The differential interface is preferable to a single-ended link when the cable runs near motors, relays, or switching supplies. Keep the bus trace geometry controlled, provide local bypass capacitance, and validate eye quality and receiver behavior with the intended cable and node count.
推荐
Motor Control and Factory Communication
MAX3076EESD+T can serve as the physical-layer interface between a 3.3 V controller and an RS-485 link used by motor-control or factory equipment. Its hot-swap feature and fail-safe receiver behavior are useful where equipment may be connected to an active bus, although controlled sequencing is still required. The 14-pin SOIC package is easy to route on compact control boards. Use a protection strategy that addresses both ESD and transient industrial noise, and verify that the bus rate, cable length, topology, and termination are compatible.
推荐
Embedded 3.3 V Telemetry Links
The MAX3076EESD+T is well suited to embedded telemetry modules powered from a 3.3 V rail and connected to a remote controller over RS-422 or RS-485. Its surface-mount 14-pin narrow SOIC package reduces PCB footprint, and its one-driver/one-receiver structure fits point-to-point telemetry or a qualified bus segment. The verified fail-safe behavior helps when the remote endpoint is unplugged or faulted. Confirm timing, input thresholds, and driver loading from the datasheet before selecting the maximum baud rate for a particular cable and system topology.
推荐
Motor-Control Communication Buses
Use the MAX3076EESD+T as a low-voltage RS-485 interface in compact motor-control and actuator networks. Its 3.3 V operation, 16 Mbps maximum data rate, and ±15 kV ESD protection align with systems that need a fast, robust differential link. The one-driver/one-receiver arrangement is appropriate for a node with one bus driver and one receive path. In a multidrop network, use only one active driver at a time unless the selected operating mode explicitly supports another configuration, and validate bus loading and termination across the complete cable run.
推荐
Instrumentation and Test Equipment
MAX3076EESD+T can interface laboratory instruments, programmable controllers, and test fixtures that expose an RS-422 or RS-485 connection. The 16 Mbps capability supports short high-speed instrument links, while ESD protection and fail-safe receiver behavior improve robustness around user-accessible cables. The 14-pin narrow SOIC footprint simplifies replacement in compact multi-channel boards. Specify the full system’s grounding and isolation arrangement, use shielded or controlled-impedance cabling where appropriate, and verify that the chosen transceiver’s timing and thresholds meet the instrument protocol.
推荐
推荐产品汇总
工程参考数据： MAX3076EESD+T ——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 | MAX3076EESD | MAX3078EESA+ | ADM3076EYRZ | ISL83072EIUZA | ISL83076EIBZA-T |
|---|---|---|---|---|---|---|
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Renesas Electronics | Renesas Electronics |
关键差异点
- Specified high-speed differential interface capability （对比 MAX3078EESA+)
- ESD protection and fail-safe behavior in one interface IC （对比 ADM3076EYRZ)
- Hot-swap support for active-bus connection scenarios （对比 ISL83072EIUZA)
- 3.3 V supply alignment （对比 ISL83076EIBZA-T)
设计说明
The verified 16 Mbps maximum data rate should be treated as a device capability, not a guaranteed system rate. RS-485 edge rate, cable length, stub length, node spacing, termination, and transceiver timing all reduce the practical margin. Start with the manufacturer's recommended topology, use a 120-ohm termination only where the cable and topology require it, and test the slowest and fastest intended nodes. Differential pair routing should be short, continuous, and kept away from switching nodes and high-current paths.
Place the transceiver close to the RS-485/RS-422 connector and route the differential pair as a controlled-impedance pair. Keep the ground reference continuous and avoid sharing return-current paths with motors, relays, or switching converters. Place the supply bypass capacitor immediately between the device supply and ground pins, and keep protection components close to the connector. Verify that connector pin assignment, bus polarity, and shield or chassis-ground strategy agree with the cable being used.
Do not assume that ±15 kV ESD protection is the same as complete industrial surge immunity. ESD protection addresses electrostatic discharge, while cable transients may require additional surge or overvoltage protection selected for the installation. Also verify receiver thresholds, driver enable timing, and the exact pinout of any MAX3076E suffix before substitution. Hot-swap support should be paired with controlled power sequencing and firmware or system behavior that prevents unintended bus contention.
合规信息
The supplied verified results do not provide a manufacturer declaration for RoHS, REACH, lead-free status, halogen-free status, or conflict-minerals compliance. AEC-Q100 is not applicable based on the provided information.
