MAX3483ESA+ - 3.3V 10Mbps RS-485/RS-422 Transceiver
部品番号: MAX3483ESA+ ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $2.96 | $2.96 |
| 10 | $2.96 | $29.60 |
| 100 | $2.96 | $296.00 |
| 500 | $2.96 | $1,480.00 |
| 1,000 | $2.96 | $2,960.00 |
MAX3483ESA+ 概要
An RS-485/RS-422 transceiver is an interface IC that converts digital logic-level signals into balanced differential line signals and converts received differential signals back into logic levels. These balanced interfaces improve noise immunity and allow communication over longer cable runs than single-ended links. The MAX3483ESA+ belongs to the interface-IC hierarchy, where transceivers support industrial control, instrumentation, data acquisition, and embedded serial networks.
The MAX3483 family combines low-power 3.3V operation with a 10Mbps data rate. According to the Analog Devices product page, the MAX3483 and MAX3488 use slew-rate-limited drivers to reduce EMI and cable reflections while supporting error-free transmission up to 250kbps. The MAX3483ESA+ also provides a half-duplex arrangement, allowing a shared pair to support transmit and receive operation when the driver and receiver are managed appropriately.
Because the device is intended for differential communication, board design must account for cable length, termination, biasing, grounding, and protection. The verified data confirms the SOIC package and 3.3V-powered RS-485/RS-422 function, but does not provide complete electrical tables or package dimensions in the supplied snippets. Applications should therefore follow the official manufacturer datasheet for pin limits, supply-current details, receiver thresholds, driver loading, and recommended external components.
Typical uses include 3.3V industrial equipment, sensor interfaces, building-control nodes, laboratory instrumentation, and embedded systems that need RS-485 or RS-422 connectivity. The device is suitable when the host logic operates at 3.3V and the selected data rate matches the transceiver and cable requirements.
For a new design, verify the exact package variant, confirm all eight pin functions against the official datasheet, and test the completed board with representative cable lengths and terminations. This page combines verified manufacturer and distributor information with engineering guidance while leaving unspecified parameters explicitly undetermined.
ドロップイン代替品: MAX3483ESA+ — 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: MAX3483ESA+ （同一形状・フットプリント） — 相違点: Package, Cable Reflection Control, EMI Control.
クイック比較ツール — 並列比較する代替部品を選択:
MAX3483EESA+
✅ ドロップイン📋 参考代替品（カタログ未掲載）
MAX3483ECSA+
✅ ドロップイン📋 参考代替品（カタログ未掲載）
MAX3483EESA+T
✅ ドロップイン📋 参考代替品（カタログ未掲載）
SP3483EN-L
✅ ドロップイン📋 参考代替品（カタログ未掲載）
SP3483EN-L-TR
✅ ドロップイン📋 参考代替品（カタログ未掲載）
MAX3483ESA+ 仕様
| Product Type | RS-485/RS-422 transceiver |
| 電源電圧 | 3.3 V |
| Verified Supply Range | 3 V to 3.6 V |
| Maximum Data Rate | 10 Mbps |
| Driver and Receiver Count | 1 driver and 1 receiver |
| Duplex Mode | Half-duplex |
| Interface Standards | RS-485 and RS-422 |
| Driver Architecture | Slew-rate limited |
| EMI Control | Slew-rate limitation reduces EMI and reflections |
| Low-Speed Error-Free Transmission | Up to 250 kbps |
| Power Architecture | 3.3V-powered, low-power transceiver |
| パッケージ | 8-SOIC |
| 実装タイプ | Surface mount |
| Operating Voltage | 3 V to 3.6 V |
MAX3483ESA+ 8-soic ピン配置ガイド
MAX3483ESA+ (8-soic 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: MAX3483ESA+.
詳細は データシート をご参照ください。
主な用途
MAX3483ESA+ の用途: 6 件s: Industrial RS-485 Sensor Networks, Building Automation and HVAC Control, Laboratory Instrumentation, Embedded Data Acquisition, 3.3V Equipment Communication, Remote Sensor and Actuator Links.
Industrial RS-485 Sensor Networks
MAX3483ESA+ fits distributed 3.3V sensor nodes that communicate over balanced RS-485 links. Its verified 10Mbps maximum rate supports a useful range of local telemetry speeds, while the 3V to 3.6V supply range aligns with modern embedded systems. The slew-rate-limited driver helps reduce EMI and reflections on industrial wiring, although cable length, node count, grounding, and termination determine whether the chosen rate remains reliable. Use the transceiver between the host UART and differential bus, provide fail-safe biasing where required, and validate operation with the longest cable and worst-case node loading.
おすすめ
Building Automation and HVAC Control
The MAX3483ESA+ is appropriate for low-voltage building-control nodes that use 3.3V logic and a balanced RS-485 field bus. Differential signaling can improve tolerance of common-mode noise in building wiring, and the verified slew-rate-limited driver helps limit unwanted high-frequency emissions. The device supports both RS-485 and RS-422 interface use, but the selected topology must include correct termination and biasing. Designers should keep the transceiver and protection network close together, maintain a continuous ground reference, and test operation during motor, relay, and HVAC actuator switching.
おすすめ
Laboratory Instrumentation
MAX3483ESA+ can connect a compact instrument controller to remote sensors or fixtures using RS-485 or RS-422. The 3.3V supply and 10Mbps capability allow a modern controller UART to communicate over a balanced link without a larger-voltage transceiver. At lower rates, the manufacturer identifies the MAX3483 slew-rate-limited family as capable of error-free transmission up to 250kbps, making it a sensible starting point for measurement-control links. Use shielded cable, a defined grounding strategy, and an instrument-specific protection scheme; verify connector pinout and cable length against the official data sheet.
おすすめ
Embedded Data Acquisition
The MAX3483ESA+ suits embedded acquisition equipment that must move control or measurement data across a longer cable than a single-ended UART can reliably support. Its verified half-duplex operation allows one differential pair to serve transmit and receive functions when the system controls direction correctly. The 3.3V operating range is useful for modern microcontrollers and mixed-signal systems. Designers should account for bus turnaround delay, receiver enable behavior, idle biasing, and the difference between the 10Mbps headline rate and the family’s stated 250kbps error-free low-speed transmission guidance.
おすすめ
3.3V Equipment Communication
MAX3483ESA+ is a natural fit when an equipment design exposes a 3.3V UART to a fieldbus or point-to-point differential link. It avoids requiring a 5V-only interface in the verified operating range, and its slew-rate-limited driver reduces the aggressiveness of signal transitions. That behavior can simplify EMI control in compact equipment, but it does not remove the need for termination, common-mode margin, or ESD protection. Confirm the exact pinout and shutdown or enable options from the official manufacturer document, especially if the enclosure is exposed to user-accessible cables.
おすすめ
Remote Sensor and Actuator Links
The MAX3483ESA+ can interface remote sensors and actuators where balanced wiring is preferred over single-ended signals. Its verified RS-485/RS-422 capability and 3.3V supply make it suitable for compact controller boards, while the 10Mbps maximum rate supports high-speed local links when the cable permits. In a multidrop RS-485 network, only one driver should be active at a time and all nodes must use compatible biasing. In RS-422 point-to-point use, termination and wiring should be planned independently. Validate ground offsets, cable length, and protection requirements in the target environment.
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: MAX3483ESA+ — 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 | MAX3483EESA+ | MAX3483ECSA+ | SP3483EN-L | SP3483EN-L-TR |
|---|---|---|---|---|---|
| Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated | Exar | Exar |
| Package | 8-SOIC | 8-SOIC family candidate; verify exact suffix | 8-SOIC family candidate; verify exact suffix | 8-SOIC candidate; verify exact package | 8-SOIC candidate; verify exact package |
| Interface | RS-485/RS-422 | RS-485/RS-422 family context | RS-485/RS-422 family context | RS-485/RS-422 | RS-485/RS-422 family context |
| Duplex | Half-duplex | Half-duplex family context | Half-duplex family context | Half-duplex | Half-duplex family context |
主な差別化要因
- Slew-rate-limited differential driver （vs SP3483EN-L)
- 3.3V low-power architecture （vs MAX3483EESA+)
- RS-485 and RS-422 interface support （vs SP3483EN-L-TR)
- 10Mbps headline data-rate capability （vs MAX3483ECSA+)
設計ノート
Do not approve a replacement based only on the family name or the 8-SOIC package. Verify the exact MAX3483ESA+ pinout, supply range, driver-enable polarity, receiver-enable logic, and differential-line assignments against the official data sheet. The supplied web results identify related MAX3483 variants and an Exar SP3483 comparison candidate, but they do not provide a complete cross-reference table, so compatibility must be proven from primary documentation.
Keep the transceiver close to the connector or cable entry and route the differential pair as a balanced pair with consistent spacing and controlled impedance where practical. Provide a low-impedance ground return, place protection components near the external pins, and keep switching regulators and high-current return paths away from the receive node. These practices improve common-mode behavior and reduce susceptibility to reflections and external noise.
The verified operating range is 3V to 3.6V, so the 3.3V rail must remain within the manufacturer’s limits over temperature and transient conditions. Follow the official data sheet for supply decoupling, current, startup, and shutdown behavior. Do not infer the missing capacitor values or quiescent current from the family description; select those values from the exact MAX3483ESA+ electrical table.
The MAX3483 slew-rate-limited driver is specifically identified as reducing EMI and cable reflections, but the verified family guidance also states error-free transmission up to 250kbps. Select the UART rate with margin below the system’s cable and topology limits rather than treating 10Mbps as a universal field-cable target. Validate edge rates with an oscilloscope and test the worst-case cable, termination, and grounding conditions.
コンプライアンス情報
The supplied snippets do not provide verified RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. These fields must be confirmed from the current manufacturer product documentation.
