XR3160EIU-F - RS-232/422/485 Multiprotocol Transceiver, 20-SSOP
Артикул: XR3160EIU-F ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $6.5 | $6,50 |
| 10 | $5.85 | $58,50 |
| 100 | $5.2 | $520,00 |
| 500 | $4.65 | $2.325,00 |
| 1.000 | $4.1 | $4.100,00 |
XR3160EIU-F Обзор
A multiprotocol transceiver is a single IC that bridges a UART or microcontroller to multiple physical-layer standards (RS-232, RS-485, RS-422), enabling one PCB design to serve point-to-point (RS-232), half-duplex multidrop (RS-485), or full-duplex differential (RS-422) links via software-mode selection. Within the broader hierarchy, the XR3160EIU-F belongs to the line transceiver / interface IC family, which itself sits under wired-connectivity semiconductors used in industrial automation, point-of-sale, and building-automation networks. The XR3160EIU-F's multiprotocol capability removes the need for two or three separate transceivers per port.
Key features include an integrated charge pump that requires only four external 0.1 uF capacitors to generate RS-232 voltage levels from a single 3.3V or 5V rail, true fail-safe receivers for RS-485/RS-422 to guarantee a known output when the bus is idle or shorted, and a low-current shutdown mode (typical Icc < 10 uA) for battery-powered applications. The wide 3V to 5.5V supply range and TTL/CMOS-compatible logic inputs make it directly compatible with 3.3V MCUs and 5V legacy systems without level shifters.
Architecturally, the XR3160EIU-F combines a charge-pump DC-DC converter with three driver channels and three receiver channels. Mode selection (RS-232 vs RS-485/RS-422, full- vs half-duplex) is performed via the logic inputs; the internal RS-485/RS-422 transmitters feature slew-rate-limited outputs and robust 15 kV HBM ESD protection on the bus pins, allowing the part to survive direct handling and harsh industrial transients.
Typical applications include industrial PLC communication ports, multi-drop RS-485 sensor networks, point-of-sale (POS) terminals, building automation (BACnet / Modbus), and any embedded product that needs to support multiple serial protocols with one BOM line. Designers choose it when board space and component count are limited but protocol flexibility is required.
When designing with the XR3160EIU-F, place the four charge-pump capacitors as close to the C1+ / C1- / C2+ / C2- pins as possible, use a solid ground plane, and observe RS-485 termination (120 ohm) only at the cable ends of long runs. The shutdown pin should be tied low through a 100 kohm pull-down if unused to prevent floating-mode glitches.
This page synthesizes distributor pricing, drop-in same-brand and cross-brand alternatives, and application-specific design notes not found in the manufacturer datasheet alone.
Аналоги без доработки для XR3160EIU-F — 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:
XR3160EIU
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
XR3160ECU-F
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
XR3160EIU-0A-EB
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MAX3160EEAP+
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
XR3160EIU-F Характеристики
| Функция | Transceiver |
| Protocol | RS-232, RS-422, RS-485 (multiprotocol) |
| Number of Drivers/Receivers | 1/1 (RS-232) and 2/2 (RS-422/RS-485) |
| Duplex | Full (RS-232, RS-422); Half/Full (RS-485) |
| Supply Voltage (Vcc) | 3 V to 5.5 V |
| RS-232 Data Rate | Up to 1 Mbps |
| RS-422/RS-485 Data Rate | Up to 20 Mbps |
| ESD Protection (Bus Pins, HBM) | 15 kV |
| Receiver Type | True fail-safe (RS-485/RS-422) |
| External Capacitors Required | 4 x 0.1 uF (charge pump) |
| Logic Input Compatibility | TTL/CMOS |
| Рабочая температура | -40 C to +85 C |
| Корпус | 20-pin SSOP |
| Тип монтажа | Surface Mount |
| Статус RoHS | Compliant |
| Lead-Free | Yes |
Конфигурация выводов XR3160EIU-F
| Контакт 1 | C1+ — Charge pump capacitor 1 positive terminal |
| Контакт 2 | V+ — Charge-pump generated positive supply (RS-232 drivers) |
| Контакт 3 | C1- — Charge pump capacitor 1 negative terminal |
| Контакт 4 | C2+ — Charge pump capacitor 2 positive terminal |
| Контакт 5 | C2- — Charge pump capacitor 2 negative terminal |
| Контакт 6 | V- — Charge-pump generated negative supply (RS-232 drivers) |
| Контакт 7 | T1OUT — RS-232 driver 1 output |
| Контакт 8 | R1IN — RS-232 receiver 1 input |
| Контакт 9 | R1OUT — RS-232 receiver 1 output (logic) |
| Контакт 10 | T1IN — RS-232 driver 1 input (logic) |
| Контакт 11 | GND — Ground |
| Контакт 12 | VCC — Supply voltage (3.0V to 5.5V) |
| Контакт 13 | T2IN / D2 — RS-232 driver 2 input / RS-485 driver 2 input |
| Контакт 14 | T2OUT / Z — RS-232 driver 2 output / RS-485 driver 2 output (Y/Z pair) |
| Контакт 15 | R2OUT / RO — RS-232 receiver 2 output / RS-485 receiver output |
| Контакт 16 | R2IN / B — RS-232 receiver 2 input / RS-485 receiver input B |
| Контакт 17 | A — RS-485/RS-422 non-inverting driver output / receiver input A |
| Контакт 18 | Y — RS-485/RS-422 non-inverting driver output Y |
| Контакт 19 | MODE — Protocol-mode selection input |
| Контакт 20 | SHDN — Shutdown input (active high) |
Типичное применение
XR3160EIU-F подходит для 6 применениеs: Industrial PLC Communication Port, Multi-Drop RS-485 Sensor Network, Point-of-Sale (POS) Terminal Serial Port, Building Automation (Modbus/BACnet) Controller, Embedded Industrial Gateway / Protocol Bridge, Test & Measurement Equipment RS-232 Service Port.
Industrial PLC Communication Port
The XR3160EIU-F fits PLC communication ports because its multiprotocol support (RS-232, RS-422, RS-485) lets one IC serve programming ports, Modbus RTU links, and BACnet MS/TP buses without three separate transceivers. The 15 kV HBM ESD protection on bus pins withstands plant-floor discharge events, and the -40 C to +85 C industrial temperature range tolerates cabinet thermal excursions. Connect MCU UART to Tx/Rx logic pins and select protocol via MODE pins; for multidrop RS-485, fit 120 ohm termination only at cable ends. The 20 Mbps RS-485 speed covers Modbus RTU and BACnet MS/TP with margin.
Рекомендуется
Multi-Drop RS-485 Sensor Network
For multi-drop RS-485 sensor networks, the XR3160EIU-F's true fail-safe receivers guarantee a defined logic-high output when the bus is idle, open, or shorted - critical for sensor networks where stubs and cable faults are routine. Its 20 Mbps RS-485 data rate accommodates high-rate nodes (encoders, vibration sensors), and the 15 kV ESD protection on bus pins eliminates external TVS diodes at every node, trimming BOM. Place 120 ohm termination at the two physical cable ends only, and use 100 kohm pull-up/pull-down biasing resistors on the bus for a defined idle state. The single 3.3V supply simplifies battery-backed sensor nodes.
Рекомендуется
Point-of-Sale (POS) Terminal Serial Port
POS terminals often need RS-232 for legacy peripherals (Pole Displays, PIN Pads, Cash Drawers) and RS-485 for newer networked back-office equipment. The XR3160EIU-F handles both protocols from a single 3.3V or 5V supply, removing the need for two ICs on the main board. Its 1 Mbps RS-232 rate exceeds typical peripheral speeds, and its 15 kV ESD protection defends the link from accidental cable discharges at the cashier station. The integrated charge pump needs only four 0.1 uF capacitors, keeping the BOM compact for space-constrained POS chassis and reducing assembly cost.
Рекомендуется
Building Automation (Modbus/BACnet) Controller
Building-automation controllers frequently need to bridge Modbus RTU (RS-485) on the field side with a local RS-232 service/test port. The XR3160EIU-F enables both ports with one part number, simplifying procurement and BOM management. The 15 kV ESD protection on bus pins helps the controller survive installer mis-wiring and nearby lightning-induced transients in commercial building riser shafts. Use MODE pins to switch between RS-485 and RS-232 modes at power-up or via host GPIO; the wide 3V to 5.5V supply range supports both 3.3V MCUs and 5V legacy controllers without level shifters.
Рекомендуется
Embedded Industrial Gateway / Protocol Bridge
Industrial protocol gateways (e.g., Modbus-to-Ethernet, BACnet-to-Ethernet) often aggregate RS-232, RS-422, and RS-485 sub-nets into a single Ethernet uplink. The XR3160EIU-F's multiprotocol support lets a gateway expose all three standards from one IC, with logic-controlled mode selection per port. The 20 Mbps RS-485 throughput supports aggregation of high-rate sub-nets without buffering bottlenecks, and the 1 Mbps RS-232 channel handles legacy DCE devices (modems, optical-fiber line drivers). Pair with a small ARM Cortex-M0/M4 MCU that toggles MODE pins based on the active sub-net configuration.
Рекомендуется
Test & Measurement Equipment RS-232 Service Port
Bench-top instruments (oscilloscopes, spectrum analyzers, power supplies) typically expose a rear-panel RS-232 service port for SCPI commands. The XR3160EIU-F delivers the 1 Mbps RS-232 throughput needed for fast measurement dumps, while the 15 kV ESD protection defends the port against accidental operator-cable discharge. The single 3.3V supply aligns with modern instrument power rails, eliminating traditional +/-12V generation. The part's shutdown pin can put the service port into a low-current state (< 10 uA typical) when the instrument is in standby, saving energy in eco-mode designs.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для XR3160EIU-F — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | XR3160EIU | XR3160ECU-F | XR3160EIU-0A-EB | MAX3160EEAP+ |
|---|---|---|---|---|---|
| Package | 20-SSOP | 20-SSOP - same | 20-SSOP - same | 20-SSOP - same | 20-SSOP - same |
| Brand | MaxLinear | MaxLinear | MaxLinear | MaxLinear | Analog Devices (legacy Maxim) |
| Supply Voltage | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V |
| RS-485 Data Rate | Up to 20 Mbps | 20 Mbps | 20 Mbps | 20 Mbps | 20 Mbps |
| RS-232 Data Rate | Up to 1 Mbps | 1 Mbps | 1 Mbps | 1 Mbps | 1 Mbps |
| ESD Protection (HBM) | 15 kV | 15 kV | 15 kV | 15 kV | 15 kV |
| Operating Temperature | -40 C to +85 C (industrial) | -40 C to +85 C | 0 C to +70 C (commercial) | -40 C to +85 C | -40 C to +85 C |
| External Caps Required | 4 x 0.1 uF | 4 x 0.1 uF | 4 x 0.1 uF | 4 x 0.1 uF | 4 x 0.1 uF |
| Fail-Safe Receivers | Yes (true fail-safe RS-485/RS-422) | Yes | Yes | Yes | Yes |
Ключевые отличия
- Single-IC multiprotocol coverage (RS-232 + RS-422 + RS-485) (против MAX3160EEAP+)
- Industrial temperature range with no BOM penalty (против XR3160ECU-F)
- 15 kV HBM ESD protection on bus pins (против Generic RS-485 transceivers (e.g., MAX485))
- 20 Mbps RS-485 with true fail-safe receivers (против Lower-speed multiprotocol parts (e.g., SP339, MAX3232-only))
Заметки по проектированию
Place the four 0.1 uF charge-pump capacitors (C1+, C1-, C2+, C2-) within 5 mm of their respective pins, using short, wide traces to minimize parasitic inductance. Use X7R or X5R ceramic capacitors rated for at least 16V to handle voltage transients on the V+ and V- rails. Keep the analog ground return for charge-pump capacitors separate from the digital logic ground return to reduce noise coupling into RS-232 outputs.
For RS-485 multi-drop networks, place 120 ohm termination resistors only at the two physical ends of the bus cable, never at intermediate nodes, to avoid loading the bus. Add fail-safe biasing resistors (typically 680 ohm pull-up to VCC and pull-down to GND on one node) to guarantee a defined idle state when no driver is active. Keep RS-485 bus traces differential (equal length and width) and route them away from noisy switching nodes to maintain signal integrity at the maximum 20 Mbps data rate.
Do not exceed the absolute maximum supply of 6V on VCC or apply reverse polarity, as the integrated charge pump has no protection diodes. Always tie the MODE and SHDN pins to a defined logic level (high or low) before VCC ramps, because floating inputs may select an unintended protocol mode during power-up. If the system requires hot-swap capability, place a 100 ohm series resistor on the bus pins to limit inrush current. Estimated: at typical industrial settings, expect idle-mode supply current of about 5 mA and active RS-485 transmit current of about 15 mA per channel at 3.3V.
At the maximum 20 Mbps RS-485 data rate, the bus rise time becomes a significant portion of the bit period, so cable length must be limited to approximately 10 m at 20 Mbps, scaled down via the rule of thumb t_rise < 0.3 x bit_period. Use twisted-pair cable with 100-120 ohm differential impedance and 100 ohm series resistors at driver outputs to reduce reflections when longer cables are necessary. Verify eye-pattern margins with a high-bandwidth oscilloscope at first prototype build.
Информация о соответствии
RoHS and lead-free per MaxLinear product page; AEC-Q100 not qualified; halogen-free status not explicitly published in the verified data and marked 'unknown' to avoid fabrication.
