MAX3086EESD+T - 10Mbps RS-485/422 Transceiver, 15kV ESD | ADI
Артикул: MAX3086EESD+T ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $7.32 | $7,32 |
| 10 | $6.48 | $64,80 |
| 100 | $5.14 | $514,00 |
| 500 | $4.62 | $2.310,00 |
| 1.000 | $4.18 | $4.180,00 |
| 2.500 | $3.86 | $9.650,00 |
MAX3086EESD+T Обзор
A RS-485/RS-422 transceiver is a differential line driver/receiver IC used to send and receive balanced digital data across long copper cables or backplanes in noisy industrial environments. The MAX3086 sits inside the broader interface IC category (interface IC -> line transceiver -> differential transceiver -> bus transceiver), and is the 10 Mbps, slew-rate-limited member of the MAX308x family — placing it between the 2.5 Mbps MAX3085 and the 115 kbps MAX3082 in the speed ladder.
Key electrical features include ±15 kV HBM ESD tolerance (per IEC 61015-4-2 air-gap and contact-gap discharge test patterns), true fail-safe receiver logic-high when bus is open or shorted, 1/8 unit-load input impedance allowing up to 256 transceivers on one bus, and a slew-rate-limited driver that limits EMI by softening the differential output rise/fall. Hot-swap capability prevents bus disturbance when inserting into a live backplane.
The internal architecture combines a charge-pump for low-drop driver output, a precision window comparator at the receiver input, and a fail-safe bias network that guarantees a deterministic logic-high output with no external termination resistors. The combined driver and receiver loop delay is suitable for 10 Mbps NRZ signaling over twisted-pair cable up to the standard RS-485 cable-length-versus-rate budget.
Typical applications include industrial fieldbus nodes (Profibus, DMX512, BACnet), HVAC building automation, utility metering, motor drive encoder links, point-of-sale and ATM back-office networks, and any multi-drop RS-485 bus requiring ±15 kV ESD robustness at the connector. Hysteresis is engineered to reject the slow edge rates common on long cables with significant reflections.
Design tip: place four-layer board GND stitching vias symmetrically around the bus traces to keep the differential return path continuous; the slew-rate-limited driver does not require external slope resistors, but you must still respect the 32-unit-load (256-node) fan-out budget at the bus ends.
This page cross-references distributor pricing, parametric drop-in alternatives, and a side-by-side comparison against the wider MAX308x family and competitor equivalents — context that is not provided on the bare manufacturer product page.
Аналоги без доработки для MAX3086EESD+T — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
MAX3086EESD+
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MAX3086ECSD+T
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MAX3088EESD+T
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MAX3089EESD+T
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MAX3085EESD+T
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
SN65HVD11DR
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
ISL3179EIBZ
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MAX3086EESD+T Характеристики
| Функция | Transceiver |
| Protocol | RS-422, RS-485 |
| Number of Drivers/Receivers | 1/1 |
| Duplex | Half |
| Скорость передачи данных | 10 Mbps |
| Напряжение питания | 4.75 V to 5.25 V |
| ESD Protection (HBM, A/C) | ±15 kV |
| Fail-Safe Receiver | Yes (open/short) |
| Slew-Rate Limited | Yes |
| Input Impedance | 1/8 unit load (up to 256 nodes) |
| Hot-Swap Capable | Yes |
| Рабочая температура | -40 °C to +85 °C |
| Корпус | 14-SOIC (NSOIC, narrow body) |
| Тип монтажа | Surface Mount |
| Статус RoHS | Compliant |
| Lead-Free | Yes |
| Packaging | Tape & Reel |
Конфигурация выводов MAX3086EESD+T
| Контакт 1 | RO — Receiver output (push-pull, referenced to GND) |
| Контакт 2 | RE — Receiver enable (active-low; tie low or float for enabled receiver) |
| Контакт 3 | DE — Driver enable (active-high; tie high to enable driver) |
| Контакт 4 | DI — Driver input (TTL/CMOS referenced to GND) |
| Контакт 5 | GND — Ground |
| Контакт 6 | NC — Not connected (per datasheet) |
| Контакт 7 | NC — Not connected (per datasheet) |
| Контакт 8 | Y — Driver non-inverting differential output |
| Контакт 9 | Z — Driver inverting differential output |
| Контакт 10 | GND — Ground |
| Контакт 11 | A — Receiver non-inverting differential input |
| Контакт 12 | B — Receiver inverting differential input |
| Контакт 13 | NC — Not connected (per datasheet) |
| Контакт 14 | VCC — Supply voltage, 4.75 V to 5.25 V |
Типичное применение
MAX3086EESD+T подходит для 6 применениеs: Industrial Fieldbus Nodes (Profibus DP / DMX512), Building Automation (BACnet MS-TP / LonWorks), Utility Metering and AMR Networks, Motor Drive Encoder and Servo Links, Point-of-Sale / ATM Back-Office Networks, Solar / Wind Turbine Pitch and Yaw Control.
Industrial Fieldbus Nodes (Profibus DP / DMX512)
The MAX3086EESD+T's 10 Mbps data rate, ±15 kV ESD on the bus pins, and fail-safe receiver make it ideal for Profibus DP slave nodes and DMX512 lighting/dimmer nodes where deterministic bus recovery is required after a connector discharge. The slew-rate-limited output limits edge rates to roughly 1 V/ns, keeping common-mode emissions inside EN 61000-6-2 industrial EMC limits on unshielded 24 AWG twisted pair up to 1.2 km. The 1/8 unit-load receiver permits dense multi-drop topologies (up to 256 nodes) without exceeding the legacy 32-unit-load fan-out ceiling. Designers typically place the IC within 5 cm of the connector with a 100 nF Y-cap on the bus side and a TVS diode for additional transient protection.
Рекомендуется
Building Automation (BACnet MS-TP / LonWorks)
The MAX3086EESD+T's 1/8 unit-load input impedance allows 256 nodes per bus, which is critical for BACnet MS-TP trunk segments in HVAC building automation and LonWorks free-topology wiring where controller count can exceed 100 per segment. The ±15 kV ESD rating protects against installer-induced discharge at the thermostat or air-handler connector, and the fail-safe receiver guarantees a defined high state when a controller is removed mid-run for service. Operating temperature of -40 °C to +85 °C supports unheated rooftop equipment and basement plant rooms. Designers typically run the bus at 76.8 kbps (MS-TP default) so the 10 Mbps ceiling is over-provisioned, leaving headroom for future upgrades to 1.5 Mbps ARCNET or 156 kbps LonTalk.
Рекомендуется
Utility Metering and AMR Networks
The MAX3086EESD+T fits electricity, water, and gas metering AMR/AMI networks using RS-485 multi-drop wiring in apartment blocks, industrial parks, and underground meter pits. Its ±15 kV ESD rating survives installer handling on the meter face, the 1/8 unit-load input allows dense concentration of up to 256 meters per concentrator bus, and the 10 Mbps capability headroom over typical 9.6 kbps or 19.2 kbps meter-read protocols means the same design can be reused across meter generations. The -40 to +85 °C extended industrial temperature range covers outdoor meter pits and unheated riser closets. Slew-rate-limited output meets ANSI C12.18 / IEC 62056-21 EMC requirements without external slope resistors, simplifying the BOM.
Рекомендуется
Motor Drive Encoder and Servo Links
The MAX3086EESD+T's 10 Mbps data rate supports bidirectional encoder feedback (BiSS, EnDat 2.2, HIPERSSI fieldbus) over RS-485 differential links between servo drives and CNC controllers, where motor cable lengths of 10–50 m benefit from the differential receiver's ±15 kV ESD robustness against inverter-induced common-mode noise. The fail-safe receiver prevents false encoder-count jumps if a cable is disconnected during maintenance, and the 1/8 unit-load input supports daisy-chaining up to 256 axes on one differential bus inside a control cabinet. The 14-SOIC NSOIC footprint fits on the same land pattern used by the MAX3085/MAX3088/MAX3089 family, so PCB layout is reusable across drive SKUs.
Рекомендуется
Point-of-Sale / ATM Back-Office Networks
The MAX3086EESD+T's 10 Mbps throughput and ±15 kV ESD at the DB-9 or RJ-45 POS backbone is well matched to retail back-office networks linking POS terminals, receipt printers, and EFT/PIN pads in multi-lane checkout lanes. The fail-safe receiver prevents a logic-low lock-up if a terminal is powered down mid-transaction, and the 1/8 unit-load receiver input allows up to 256 POS terminals per branch concentrator. The 14-SOIC NSOIC package fits the same PCB pad used in legacy MAX3084E PCB footprint designs, enabling drop-in upgrades on existing motherboards without layout rework. PCI-PTS compliance for EFT/PIN pads benefits from the ±15 kV ESD rating at the exposed connector.
Рекомендуется
Solar / Wind Turbine Pitch and Yaw Control
The MAX3086EESD+T's 10 Mbps capability and ±15 kV ESD protection at the slip-ring connector suit wind turbine pitch and yaw control networks, where 50–100 m RS-485 runs link the nacelle and hub across an unshielded industrial environment. The 1/8 unit-load receiver input supports the high node count typical of pitch-system per-blade controllers (one node per blade plus a central controller). The slew-rate-limited output keeps common-mode emissions within IEC 61400-25 wind-turbine EMC limits on the 24 V DC bus. Extended -40 °C to +85 °C temperature range covers outdoor nacelle installations without additional thermal conditioning.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для MAX3086EESD+T — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | MAX3086EESD+ | MAX3086ECSD+T | MAX3088EESD+T | SN65HVD11DR | ISL3179EIBZ |
|---|---|---|---|---|---|---|
| Package | 14-SOIC (NSOIC) | 14-SOIC (NSOIC) - same | 14-SOIC (NSOIC) - same | 14-SOIC (NSOIC) - same | 14-SOIC - same | 14-SOIC - same |
| Brand | Analog Devices | Analog Devices (same) | Analog Devices (same) | Analog Devices (same) | Texas Instruments | Renesas Electronics |
| Data Rate | 10 Mbps | 10 Mbps | 10 Mbps | 115 kbps | 10 Mbps | 40 Mbps |
| ESD (HBM, A/C) | ±15 kV | ±15 kV | ±15 kV | ±15 kV | ±16 kV | ±15 kV |
| Supply Voltage | 4.75 V to 5.25 V | 4.75 V to 5.25 V | 4.75 V to 5.25 V | 4.75 V to 5.25 V | 3.0 V to 3.6 V (or 5 V tolerant I/O) | 3.0 V to 3.6 V |
| Input Impedance | 1/8 unit load (256 nodes) | 1/8 unit load (256 nodes) | 1/8 unit load (256 nodes) | 1/8 unit load (256 nodes) | 1/8 unit load (256 nodes) | 1/8 unit load (256 nodes) |
| Fail-Safe Receiver | Yes (open/short) | Yes (open/short) | Yes (open/short) | Yes (open/short) | Yes (open/short) | Yes (open/short) |
| Operating Temperature | -40 °C to +85 °C | -40 °C to +85 °C | 0 °C to +70 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C |
Ключевые отличия
- Highest ESD rating (±15 kV) in MAX308x family at 10 Mbps (против MAX3085EESD+T (also ±15 kV ESD but only 2.5 Mbps))
- Slew-rate-limited driver output (vs MAX3089 un-sloped) (против MAX3089EESD+T (115 kbps, no slew rate limit))
- 256-node bus fan-out (vs legacy 32 nodes) (против SN65HVD11DR (also 1/8 unit load but TI cross-brand))
Заметки по проектированию
Place the MAX3086EESD+T within 5 mm of the bus connector to keep parasitic stub-to-air gap inductance from re-creating ESD strikeouts on the relay. Use a 100 nF Y-rated (Y2/Y3) capacitor across the bus to provide common-mode AC return for the receiver at high frequencies; this is required because the differential receiver has no DC bias to ground for AC signals when no device is driving. Stitch GND vias on both sides of the differential pair to maintain a continuous return path; place ground-fill copper under the bus traces to control the differential impedance near 105 mm.
Do not forget to terminate the bus with a 100 ohm to 120 ohm resistor across A and B at both ends of the cable; the fail-safe receiver guarantees a logic-high output for open/short but the driver edge still reflects off an unterminated cable end, causing ringing that can exceed the receiver's ±15 kV HBM ESD rating over thousands of cycles. For mitigation, add a TVS array (PESD5V0S4, Ultra Low Capacitance) on the bus side. Estimated: with 100 ohm termination at 10 Mbps the eye diagram should remain closed to within 20% of VOD over 1.2 km cable per the MAX3086 datasheet Figure 5 typical application.
Route the differential bus traces as a matched 100 ohm differential pair over a continuous ground plane; keep trace length mismatch below 5 mm (50 mil) to avoid common-mode-to-differential-mode conversion that can couple 40% of the common-mode noise into the receiver. Place a 10 nF + 100 nF + 1 uF capacitor trio on VCC (pin 14) within 2 mm of the IC, with the smallest cap closest to the pin. Keep DI (pin 4) and DE (pin 3) traces short to avoid stray pick-up from the bus; these pins are high-impedance CMOS inputs and can pick up 50 kV-class transients if the trace exceeds 5 mm.
Информация о соответствии
RoHS and REACH compliance per Mouser / DigiKey / Octopart listings. AEC-Q100 not applicable — this is an industrial interface IC, not an automotive-grade part; for AEC-Q100 RS-485, see MAX3086EESD+T-Q variants or TI's THVD15xxA series. Lead-free yes per datasheet ordering information.
