NXP Semiconductors OL2385AHN/001A0Y

Overview

OL2385AHN/001A0Y from NXP Semiconductors is a fully integrated industrial UHF RF transceiver with embedded RISC microcontroller, fractional-N PLL, dual-path I/Q receiver (ASK/FSK demodulation), and programmable +14 dBm transmitter operating from 158–960 MHz. It delivers -124 dBm sensitivity at 10 kHz BW, supports up to 400 kbit/s NRZ data rate, and enables battery-powered smart metering and wireless sensor networks.

For engineers reviewing the OL2385AHN/001A0Y datasheet, OL2385AHN/001A0Y pinout, OL2385AHN/001A0Y application, or OL2385AHN/001A0Y equivalent, this page provides verified technical context, validated HVQFN48 pin mapping, confirmed 32 kB EROM + 7 kB RAM architecture, real-world AGC and RSSI performance metrics, and two documented alternative transceivers for sub-GHz industrial RF designs.

Technical Context

The OL2385AHN/001A0Y implements a low-IF receiver architecture with I/Q down-conversion, integrated phase/amplitude mismatch compensation, and digital IF processing including channel filtering, ASK/FSK demodulation, and clock-data recovery. Its fractional-N PLL supports precise frequency synthesis across 158–960 MHz bands with phase noise as low as -120 dBc/Hz at 100 kHz offset in the 169 MHz band.

The transmitter uses direct PLL modulation for FSK and digitally controlled PA power ramping, delivering +14 dBm output with splatter suppression filters compliant with European, US, and Asian regulatory standards. The embedded 16-bit RISC core executes customer firmware from 32 kB EROM and manages autonomous DMA transfers between 7 kB RAM and RX/TX buffers via SPI, UART, or LIN-compatible interface.

Key Specifications

Pinout & Package

HVQFN48 package (SOT619-13), 7 × 7 × 0.85 mm body, 0.5 mm pitch, wettable flanks, exposed die pad connected to GND_RF for thermal and electrical grounding.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar UHF transceiver applications.

Compared with Si4463-B1B-FMR and CC1125RHBR, the OL2385AHN/001A0Y uniquely integrates a 16-bit RISC core, 32 kB EROM, autonomous DMA, and calibrated I/Q compensation-making it the only option among the three capable of standalone WMBus or SigFox node operation without external memory or controller.

Availability

OL2385AHN/001A0Y is available at Aetrix Electronics and suitable for smart metering, industrial monitoring, and wireless sensor network applications requiring stable component supply, long-term lifecycle assurance, and regulatory-compliant RF performance.

Supply support for OL2385AHN/001A0Y 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 deep expertise in RF SoC design and wireless protocol certification.

The OL2385 product line was designed specifically for battery-powered industrial wireless nodes requiring integrated RF, MCU, and protocol stack execution-targeting smart utility infrastructure, building automation, and predictive maintenance systems.

FAQ

What is the operating voltage range for OL2385AHN/001A0Y?

The OL2385AHN/001A0Y supports 1.9 V to 5.5 V supply voltage, enabling flexible deployment across single-cell lithium (1.9–3.6 V), rechargeable (3.0–4.2 V), or regulated 3 V/5 V systems. Internal LDO generates 3 V domains from 5 V input, and separate VDD_IO, VDD_DIG, and VDD_PA pins ensure noise isolation between digital, I/O, and RF sections-critical for maintaining -124 dBm receiver sensitivity in noisy industrial environments. OL2385AHN/001A0Y maintains full functionality across this range without configuration changes.

Does OL2385AHN/001A0Y include an integrated microcontroller?

Yes, OL2385AHN/001A0Y integrates a 16-bit extended micro RISC kernel with 32 kB of on-chip EROM and 7 kB of RAM. This embedded processor executes customer firmware-including preflashed stacks for SigFox, WMBus 2013, or sub-GHz ZigBee-without requiring an external MCU. The core supports autonomous DMA transfers, timer-based wake-up, and real-time bit manipulation via dedicated coprocessor, making OL2385AHN/001A0Y a true system-on-chip solution for industrial wireless nodes.

What RF bands does OL2385AHN/001A0Y support?

OL2385AHN/001A0Y operates across 158–960 MHz, covering all major unlicensed ISM bands: 169 MHz (EU), 434 MHz (EU), 868 MHz (EU), 915 MHz (US), and 925 MHz (Asia). Its fractional-N PLL and calibrated I/Q down-converter deliver consistent -124 dBm sensitivity and >50 dB adjacent channel rejection across this range. The device's dual RF inputs (RF_IN_A/RF_IN_B) and integrated TRX switch allow seamless reconfiguration for multi-band or antenna-diversity applications without PCB redesign-verified in OL2385AHN/001A0Y's production test reports.

How does OL2385AHN/001A0Y achieve regulatory compliance for emissions?

OL2385AHN/001A0Y meets ETSI EN 300 220, FCC Part 15, and ARIB STD-T67 through integrated power ramping, splatter avoidance filters, and phase noise optimization: -120 dBc/Hz at 100 kHz offset (169 MHz band) and -108 dBc/Hz (925 MHz band). Its digitally controlled PA adjusts output in 0.25 dB steps, while the TRX switch minimizes harmonic leakage. These features are validated in certified test reports for OL2385AHN/001A0Y, eliminating need for external filtering components in most reference designs.

What interfaces are supported for host communication with OL2385AHN/001A0Y?

OL2385AHN/001A0Y supports SPI, UART, and LIN-compatible UART for host communication. SPI provides high-speed configuration and data transfer (up to 10 MHz), UART enables simple command-based control using Remote Control Protocol (RCP), and LIN compatibility allows integration into automotive body-control networks. All interfaces share the same physical pins (P17, P20, P21, etc.) and are software-selectable-confirmed in the OL2385AHN/001A0Y datasheet section 8.2 and HAL driver documentation.