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NXP Semiconductors OL2385AHN/001C0Y
- Part No.:
- OL2385AHN/001C0Y
- Manufacturer:
- NXP Semiconductors
- Category:
- RF Transceiver ICs
- Package:
- 48-VFQFN Exposed Pad
- Datasheet:
-
OL2385AHN/001C0Y.pdf
- Description:
- IC RF TXRX+MCU 48HVQFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,767
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Product details
Overview
OL2385AHN/001C0Y from NXP Semiconductors is a fully integrated industrial UHF RF transceiver IC supporting 158–960 MHz operation, featuring an embedded 16-bit RISC microcontroller, fractional-N PLL, I/Q down-conversion, 14 dBm programmable PA, and -124 dBm FSK sensitivity at 10 kHz bandwidth. It enables battery-powered narrowband systems such as SigFox and smart metering.
For engineers reviewing the OL2385AHN/001C0Y datasheet, OL2385AHN/001C0Y pinout, OL2385AHN/001C0Y application, or OL2385AHN/001C0Y equivalent, key selection criteria include its dual-antenna RX support, 400 kbit/s 4FSK capability, 700 nA power-down current, HVQFN48 package with wettable flanks, and integrated AGC with 120 dB RSSI dynamic range.
Technical Context
The OL2385AHN/001C0Y implements a low-IF receiver architecture with sigma-delta ADCs, digital IF preprocessing (DC notch, decimation, IQ mismatch compensation), and autonomous DMA-managed RX/TX buffers. Its fractional-N PLL supports precise frequency synthesis for both TX and RX paths across global sub-GHz bands.
Transmit functionality includes digitally controlled power ramping, splatter-avoidance filtering, and dual PA modes (0 dBm and +14 dBm) with 0.25 dB step resolution. The embedded RISC core executes customer firmware from 32 kB EROM and interfaces via SPI, UART, or LIN-compatible UART with HAL abstraction.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| UHF Carrier Frequency | 158–960 MHz - supports worldwide ISM/SRD bands including 434 MHz, 868 MHz, and 915 MHz. |
| Max Output Power | +14 dBm - enables long-range communication in narrowband industrial links without external PA. |
| Receiver Sensitivity | -124 dBm @ 10 kHz BW FSK - delivers high link budget for low-data-rate sensor networks. |
| Data Rate | Up to 400 kbit/s NRZ 4FSK - suitable for high-throughput telemetry in remote control and metering. |
| Power-Down Current | 700 nA - extends battery life in wake-up polling and autonomous sensor node applications. |
| RSSI Dynamic Range | 120 dB @ 10 kHz BW - enables robust signal detection across varying path losses and interference levels. |
| Supply Voltage Range | 1.9–5.5 V - accommodates single-cell Li-ion, LiFePO₄, or regulated 3.3 V/5 V system supplies. |
| Operating Temperature | -40 °C to +85 °C - qualified for industrial environments including utility meter enclosures and factory floors. |
Pinout & Package
HVQFN48 package (7 × 7 × 0.85 mm, 0.5 mm pitch, wettable flanks); exposed die pad connected to GND for thermal and electrical integrity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RF_IN_A / RF_IN_B | Dual multiplexed RF receiver inputs | Enables antenna diversity or multi-band matching without external switches. |
| TRXSWITCH_RX / TRXSWITCH_TX / TRXSWITCH_ANT | Integrated TRX switch control terminals | Reduces BOM count by embedding RF path routing logic; eliminates need for discrete SPDT/SP3T switches. |
| TXOUT | Power amplifier RF output | Requires external choke to VREGPA; not directly driven - ensures stable PA bias and spectral compliance. |
| VDD_PA / VDD_RF / VDD_ADC / VDD_DIG | Isolated analog/digital supply domains | Prevents noise coupling between PA, LNA, ADC, and digital subsystems; mandates separate 10–68 nF decoupling per domain. |
| P10–P23 | Multi-function GPIOs with USART, timer, ADC, and wake-up capability | Supports direct sensor interfacing, low-power event triggering, and protocol bridging without external MCU. |
| RST_N | Active-low reset input | Internal pull-up; requires 4.7 kΩ series resistor - prevents spurious resets in noisy industrial environments. |
Key Features
| Feature | Design Value |
|---|---|
| I/Q phase/amplitude mismatch compensation | Digitally corrects analog front-end imperfections to achieve >60 dB image rejection without calibration hardware. |
| Autonomous DMA channels | 10 independent DMA channels move RX/TX data between RAM and peripherals without CPU intervention - reduces real-time MCU load. |
| Integrated temperature sensor | Compensates crystal oscillator drift in real time - maintains frequency stability over -40 °C to +85 °C without external sensors. |
| Programmable PA with digital ramping | Eliminates external shaping filters; meets ETSI EN 300 220 and FCC Part 15 spectral mask requirements out-of-box. |
| Remote Control Protocol (RCP) | Enables full RF operation (TX/RX/config) via SPI/UART without custom firmware - accelerates prototyping and field updates. |
| Two RX antenna inputs with internal mux | Supports adaptive antenna selection or band-switching in a single chip - avoids PCB layout complexity of external RF switches. |
Applications
| Smart Metering (Sub-GHz) | SigFox LPWAN Nodes |
|---|---|
Use Scenario: Utility-grade electricity/gas/water meters transmitting consumption data hourly via 868 MHz ISM band. IC Role / Device Role / Timing Role: Full-stack transceiver handling modulation, demodulation, packet framing, and host MCU interface via UART. Use Value: -124 dBm sensitivity and 120 dB RSSI range ensure reliable reception in shielded meter cabinets; 700 nA power-down current enables 15+ year battery life. |
Use Scenario: Battery-powered environmental sensors sending small payloads every 10 minutes using SigFox uplink protocol. IC Role / Device Role / Timing Role: Standalone RF node executing RCP commands and managing autonomous wake-up timers. Use Value: Integrated 32 kB EROM stores SigFox stack; 400 kbit/s capability exceeds SigFox's 100 bps requirement - enabling future protocol extensions. |
| Industrial Wireless Sensor Networks | Home & Building Security Systems |
Use Scenario: Distributed vibration/temperature/pressure nodes monitoring machinery health in factories with mesh or star topology. IC Role / Device Role / Timing Role: Dual-antenna RX and AGC enable robust link adaptation in multipath-rich metal environments. Use Value: Wide 158–960 MHz coverage allows reuse across regional deployments; 5 dB NF LNA ensures SNR margin in electrically noisy plants. |
Use Scenario: Door/window contact sensors and PIR motion detectors reporting intrusion events via 434 MHz OOK/ASK. IC Role / Device Role / Timing Role: Low-power transceiver with fail-safe wake-up timers and hardware ASK demodulator. Use Value: Hardware-accelerated ASK demodulation reduces wake-up latency to <100 µs; 0.25 dB PA steps optimize range vs. battery life trade-off. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar UHF transceiver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SX1276IMLTRT | No embedded MCU; LoRa modulation only; 169–1020 MHz; lower max output (+20 dBm) but no integrated AGC or I/Q compensation. | Requires external host MCU and RF front-end tuning; optimized for long-range LoRaWAN, not narrowband FSK/ASK. | Choose when LoRa protocol compliance and ultra-long range (>10 km) outweigh need for integrated processing and multi-protocol flexibility. |
| CC1312R1F3RGZR | ARM Cortex-M4F MCU + Sub-1 GHz RF core; 32-bit processing; supports multiple PHYs (Proprietary, IEEE 802.15.4g); lower max output (+14 dBm). | Built-in TI RTOS and SimpleLink SDK accelerate development; targets proprietary protocols and wireless M-Bus. | Choose when 32-bit deterministic processing, BLE coexistence, or certified software stacks are required over NXP's RISC+RCP simplicity. |
Compared with SX1276IMLTRT and CC1312R1F3RGZR, the OL2385AHN/001C0Y provides higher integration density (single-chip transceiver + 16-bit RISC + EROM + TRX switch), superior narrowband FSK/ASK performance (-124 dBm sensitivity), and lower power-down current (700 nA), making it optimal for cost-sensitive, battery-operated industrial telemetry where protocol agility matters more than raw range or 32-bit compute.
Availability
OL2385AHN/001C0Y is available at Aetrix Electronics and suitable for smart metering, LPWAN sensor nodes, industrial monitoring, and building security systems requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for OL2385AHN/001C0Y includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor leader specializing in secure connectivity solutions for automotive, industrial, and IoT markets, with headquarters in Eindhoven, Netherlands.
The OL2385AHN/001C0Y belongs to NXP's industrial RF transceiver product line, designed specifically for robust, low-power, multi-protocol narrowband communication in harsh electromagnetic environments.
FAQ
What is the primary RF band coverage supported by the OL2385AHN/001C0Y?
The OL2385AHN/001C0Y supports continuous UHF operation from 158 MHz to 960 MHz, covering major regional ISM/SRD bands including 169 MHz (EU), 434 MHz (EU), 868 MHz (EU), and 915 MHz (US). This wide range enables single-design global deployment for smart metering and industrial telemetry without hardware variants.
Does the OL2385AHN/001C0Y require an external crystal oscillator?
Yes, the OL2385AHN/001C0Y requires an external crystal connected between XTAL_P (Pin 16) and XTAL_N (Pin 14), with dedicated VDD_XO (Pin 13) and GND_XO (Pin 15) supplies. The integrated crystal oscillator circuit supports standard 1–50 MHz crystals and includes temperature drift compensation using the on-chip sensor.
How does the OL2385AHN/001C0Y manage RF front-end power consumption during receive mode?
The OL2385AHN/001C0Y uses a dual-stage AGC with 18 RF-input and 15 mixer-input 2 dB attenuation steps, dynamically adjusting LNA and baseband gain to maintain optimal SNR while minimizing current draw. At 10 kHz bandwidth, typical RX current is 11 mA - scalable down to µA-levels in duty-cycled polling modes using autonomous timers.
Can the OL2385AHN/001C0Y operate without custom firmware?
Yes, the OL2385AHN/001C0Y supports Remote Control Protocol (RCP) over SPI or UART, allowing full configuration, TX/RX initiation, and status readback without loading customer firmware. This enables rapid evaluation and field-deployable updates using only host MCU commands - ideal for proof-of-concept and maintenance scenarios.
What package type and mounting features does the OL2385AHN/001C0Y use?
The OL2385AHN/001C0Y is housed in an HVQFN48 package (7 × 7 × 0.85 mm, 0.5 mm pitch) with wettable flanks and an exposed die pad. The wettable flanks enable automated optical solder-joint inspection, while the exposed pad must be soldered to a thermal pad on the PCB for grounding and heat dissipation - critical for stable PA operation.
OL2385AHN/001C0Y Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 48-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- TxRx + MCU
- RF Family/Standard:
- -
- Protocol:
- Sigfox, Wireless M-Bus, Zigbee®
- Modulation:
- ASK, FSK
- Frequency:
- 158MHz ~ 960MHz
- Data Rate (Max):
- 400kbps
- Power - Output:
- 14dBm
- Sensitivity:
- -124dBm
- Memory Size:
- -
- Serial Interfaces:
- SPI, UART
- GPIO:
- 12
- Voltage - Supply:
- 1.9V ~ 5.5V
- Current - Receiving:
- -
- Current - Transmitting:
- 29mA
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 48-HVQFN (7x7)
OL2385AHN/001C0Y FAQ
1.How can I place an order for OL2385AHN/001C0Y through Aetrix?
Please submit a Request for Quotation (RFQ) for OL2385AHN/001C0Y on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for OL2385AHN/001C0Y reliable?
The price and inventory of OL2385AHN/001C0Y are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for OL2385AHN/001C0Y is usually 5 days.
3.What payment methods are accepted for OL2385AHN/001C0Y?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for OL2385AHN/001C0Y transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for OL2385AHN/001C0Y?
OL2385AHN/001C0Y orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your OL2385AHN/001C0Y order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for OL2385AHN/001C0Y?
For technical support, including OL2385AHN/001C0Y datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your OL2385AHN/001C0Y requirements.
6.How does Aetrix verify that OL2385AHN/001C0Y is sourced from the original manufacturer or authorized distributors?
All OL2385AHN/001C0Y products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that OL2385AHN/001C0Y meets industry standards.
7.What is the process for return or replacement of OL2385AHN/001C0Y?
All OL2385AHN/001C0Y units undergo pre-shipment inspection (PSI). If there is an issue with OL2385AHN/001C0Y, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The OL2385AHN/001C0Y part is unused and in its original packaging.
Return procedure for OL2385AHN/001C0Y:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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